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2015 service and maintenance guide

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2015 service and maintenance guideIf you continue browsing the site, you agree to the use of cookies on this website. See our User Agreement and Privacy Policy.If you continue browsing the site, you agree to the use of cookies on this website. See our Privacy Policy and User Agreement for details.You can change your ad preferences anytime. Cancel anytime. ManualMaintenance. Fuel System. Final Drive. Transmission. Brakes. Engine. Electrical. And Some More.Downloadable: YES. Language: English. Requirements: Adobe PDF ReaderNow customize the name of a clipboard to store your clips. The transfer of part of the production to China allowed the use of cheaper labor and significant cost reductions while maintaining the Japanese level ofLinhai started with the production of power plants, gradually accumulating professional skills since 1956.Designed for the North American market, the ATV is a 300cc liquid-cooled model thatMany Asian competing manufacturers tried to push LINHAIHowever, Linhai flatly disagrees with the sale of engines. They know that this can lead to a weakening of the LINHAI brand. The engine is the heart of every Linhai ATV, andThis commitment is reflected in their new 550EFI ATV. This ATV has Delphi electronic fuel injection technology. ThisExpect to see Delphi EFI systems on many future LINHAI products.All content on theIf you are the author of this material, then please contact us in order to provide users with a pleasant and convenient alternative, after reading, buying a quality “original” directly from the publisher. The site. Maintenance. Fuel System. Final Drive. Transmission. Brakes. Engine. Electrical. And Some More. File Format: PDF. Downloadable: YES. Language: English. Requirements: Adobe PDF Reader By continuing to use this website you are giving consent to cookies being used.http://archerelectricsupply.com/userfiles/dynasty-spa-manual.xml

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Always refer to Parts Manual of each ATV model for spare Persons using this manual should have a sound knowledge of mechanical theory, tool use, and shop procedures in order to perform the work safely and correctly. Carbon monoxide exhaust gas is poisonous and can cause severe injury or death. Always start engines outdoors. Gasoline is extremely flammable and explosive under certain conditions. Battery electrolyte is poisonous. It contains sulfuric acid. Serious burns can result from contact with skin, eyes or clothing. Always refer to Parts Manual of each ATV model for spare parts information and service. This includes gears, cylinders, pistons and other parts that have been ”mated ”through normal wear. Replace distorted circlips.The on-road equipments (rear view mirror, turn lights, etc.) are not Standard Equipment for USA.When the valve clearance is to be measured or adjusted, the piston must be at Top Dead Center (T.D.C.) on the compression. Turn the pilot screw out by the specified number of turns. Pilot screw: turn out Turn the throttle stop screw in or out until. Follow the table below. Compression pressure (With oil applied into cylinder) Reading Diagnosis Higher than. API STANDARD: API SE or higher grade CAUTION: Do not put in any chemical additives or use oils with a grade of CD or higher. NOTE: Wait a few minutes until the coolant settles before inspecting the coolant level. WARNING: splashes in your eyes: Thoroughly wash your eyes with water and consult a doctor. If coolant splashes on your clothes: Quickly wash it away with water and then with soap and water. NOTE: Do not use a sharp instrument to avoid damaging or scratching: Spark plug threads Valve seats 2. Rocker arm shaft hole. Cam-lobe contact surface. Inspect the surface condition of the rocker arm shafts. CAUTION: Do not compress so much as to avoid damage to the valve spring. Valve guide inside diameter: Intake: 6.000-6.012 mm. Valve seat width: Intake: 0.9-1.1mm Exhaust: 0.9-1.http://www.awluks.pl/fck_files/dynasty-oven-manual.xml1mm Measurement step: Apply Mechanic’s blueing dye (Dykem) the valve face. Apply a fine lapping compound to the valve face and repeat the above steps. NOTE: Make sure to clean off all compound from the valve face and valve seat after every lapping. NOTE: Eliminate the carbon deposits from the piston ring grooves and rings before measuring the side clearance. Lubricate the pistons and piston rings liberally with engine oil. Pass the timing chain and timing chain guide (exhaust side) through the timing chain cavity. SECOMDARY SHEAVE INSTALLATION 1. Apply: Lightweight lithium-soap base grease (to the secondary sliding sheave inner surface, grease nipple groove, and oil seals) Lightweight lithium-soap base grease (to the bearings, oil seals and inner surface of the secondary fixed sheave. CAUTION: Use the spacer (30mm, thickness: 2-3mm). Shaft (idle gear) Idler gear Starter one way clutch assembly Woodruff key. Pump driven gear Dowel pin Oil pump assembly Gasket. Crankcase (left) Oil seal Oil seal. Crank width: 59.95-60.00 mm 4. Radiator removal Drain the coolant. Fan motor leads Thermo switch leads hose (radiator) Outlet hose (radiator) Inlet hose (radiator) Radiator. O-ring Reverse the removal procedure for installation.Install the mechanical seal by using the mechanical seal installer and middle shaft bearing driver 2. Always stop the engine and refuel outdoors or in a well ventilated area. Do not smoke or allow open flames or sparks in or near the area where refueling is performed or where gasoline is stored. Check the jet needle for stepped wear. Check the vacuum piston for wear or damage. Check the diaphragm for holes, deterioration or damage. Check the float valve and valve seat for scoring scratches, clogging or damage.Clean the main nozzle with cleaning solvent and blow this open with compressed air. 18.Remove: Pilot screw set Turn the pilot screw in and carefully count the number of turn until it seats lightly. Never start the engine in an enclosed area. Gasoline powered engine exhaust fumes are poisonous and can cause loss of consciousness and death. Remove cover After the engine warms up, connect it to an engine revolution counter. Adjust idle screw until specified revolution is obtained. Disassemble tension seal bolt and spring. Use the kick start lever to turn engine slowly until “T” mark on flywheel lines up with indicator on crankcase and check position of camshaft to find if both valves are closed. Remove camshaft. Check camshaft Check cam lift. Use limit:IN: 25.681mm below change EX:25.524mm below change Check surface of cam lobes for weary surface break down, scuffing or cracking. Check camshaft and bearing for loose fit or damage. Check if camshaft fixed seat and camshaft rocker arm and camshaft rocker arm bearing is worn or broken. Measure outer diameter of camshaft rocker arm bearing and inner diameter of camshaft rocker arm. Take off camshaft chain guide bar.Check if valve and valve guide is blocked. Measure every valve stem outer diameter. Press in the new valve guide pipe. Spread engine oil on new O-ring and build up new valve guide pipe. Make sure cylinder head is still warm when pressing in new guides. Polish valve contact surface with emery and polishing bar after correcting bar. Install cam chain adjuster plate. Slide cylinder head over studs and into place 3.2.4 Camshaft assembly Install camshaft fixed seat. Assemble rocker arm and rocker shaft. Make alignment between shaft end and hole of camshaft seat when valve rocker shaft is assemblied. Assemble camshaft seat and nut into cylinder head. Lock cylinder head nuts securely. Torque value: Camshaft fixed nut: 20N.m 15 ft lbs Camshaft chain regulator assembling Firstly build up camshaft chain regulator and spacer. Install the piston into the bottom of the cylinder, Attention: Use the piston head to press the rings in place in. Replace if it goes beyond 39.1mm (50cc) Replace if it goes beyond 47.1mm (80cc) Between the piston and the cylinder. Lubricate the inner surface of the cylinder, the piston and the piston ring with engine oil. When assembling the piston rings, they must be compressed into the cylinder. Remove the starting pivot and the return spring. Detach the starting pivot sleeve. Checking the starting pivot Check if the pivot and the gear are worn. Check if there is any softness of the starting return spring. Replace any parts showing excessive or unusual wear. 3.4.3 Installing the starting assembly Install the starting pivot sleeve and the return spring to the crankcase cover. Then, the gasket. Assemble the left crankcase cover, then tighten the eight fix bolts diagonally. Install the air tube to the left crankcase, then install the clip. Install the driving belt on the driving pulley. Install the driving pulley, the starting ratchet and 12mm washer. Measure the ID of the driving pulley Max service allowance: Replace, when it is beyond 20.062mm. Check the wear of the rollers. Measure the OD of the roller. Max service allowance: Replace, when it is below 15.4mm. Check the wear of the gear and the bearing part of the shaft. Assembling Lubricate the bearing part of the clutch shaft with a bit of grease. Remove the guide rolling pin from the transmission pulley assembly, then take out the o-ring and the oil seal. Checking the clutch transmission pulley Check the wear of the clutch housing. Measure the ID of the clutch housing. Max service allowance: Replace, when it is below 87.2mm. Check the wear of the transmission pulley Measure the OD of the pulley Max service allowance Replace, when it is below 33.93mm Check the wear of the transmission pulley. Check if countershaft gear is worn or damaged. Check if the final transmission gear is burn or damaged.Drive in the new bearing to the final transmission cover.Attention: Be sure not to scratch the joint surfaces. Remove the oil seal from the left crankcase. Remove the oil seal from the right crankcase. 3.6.3 The crankshaft Measure the left and right clearance between both sides of the big end of the connecting rod. Assemble the crankshaft into the left crankcase. Attention: Be sure not to let the chain damaged the oil seal. Put the new locating pin and gasket onto the left crankcase. Remove alternator rotor. Remove stator pulse coil. Remove 8 bolts of right crankshaft case cover and take off crankshaft case cover. Remove washer and fixed pin. Remove the fixed nut of gear in oil pump. Disassembly oil pump. Checking Check the gap between oil pump body and external rotator. Used limited: 0.12mm(0.005inch) Check the gap between inner rotator and external rotator. Installation First put two O-rings at oil pump seat. Put oil pump in crankshaft case. First add oil to pump and then assembly. Tighten three fixed screws. Install gear of oil pump and then fixed nut. Assemble pulse coil and stator and rotor. Install fan and cover.Work on the fuel system in a well-ventilated area free form sparks or open flames. Do not breath the vapors from the gasoline.Connect auto choke to 12V battery. Disassembling Disassemble fixed plate screw and take off fixed plate. Vacuum Chamber break-down Remove two screws and take off cover. Remove spring, diaphragm piston. Remove needle and slide. Remove float pin spring.Take off spring and acceleration pump plate. Checking Check acceleration pump plate for cracks or hardening of the rubber. Replace if necessary. Check for blocked fuel passages. Do not over tighten the screws as this can cause damage to the manifold. Attach the inlet pipe to the rear of the carburetor and tighten the clamp screw. Make sure that the throttle cable allows the throttle control plate return to the stop screw. If needed, readjust the mixture screw to help stabilize idle performance. Make sure there is no conduction current between each commutator segment and the armature shaft. Check starter motor housing conductivity. Be sure there is no conduction current between the cable terminal and starter motor housing. Replace it if necessary. Inspect dust cover for wear or damage. Apply grease to the dust cover. Install spring brush in its holder. Apply a light film of grease to both ends sliding surfaces of armature shaft. Do not use heavy grease. This will limit the fast movement of the starter pinion. INSTALLATION Apply a light film of grease to the gears and install the starter pinion by reversing the removal procedure. Use a universal solid wrench to secure the flywheel. Detach the fix nuts of the flywheel. Use a spanner wrench hold fly wheel while removing the retaining nut. Lock the fix bolts of the triggering coil. Torque: The triggering coil:5N.m 44in.lbs the staror:9N.m 6.6ft.lbs Set up the rubber sleeve of the magneto wire. Clean the cone part of the crankshaft and of the flywheel. Disconnect the CDI module from the wire harness Test resistance of the terminals with an multi-meter. Coil test using after market spark tester. Perform the following inspection in accordance with the operating instructions in the Manual. Always refer to Parts Manual of each ATV model for spare parts information and service. Valve clearance specification: Intake valve 0.04—0.06mm; Exhaust valve 0.04—0.06mm 4. The oil level should reach the fourth mark. NOTE: Make sure the contact cylinder surfaces are not scratched. Make no other objects fall into the crankcase. NOTE: The cylinder head gasket must not be reused. NOTE: Be sure not to scratch the valve seat contact face. 16. Measure valve guide inside diameter.Eliminate the carbon deposits from the piston ring grooves and rings. NOTE: Be sure to keep the piston ring undamaged. Position piston ring. Measure the gap between piston ring and ring groove.Remove movable cams. Remove clutch weights.Limit: 163mm CHAPTER 3C ENGINE PAGE.3C - 15 -. NOTE: Never smear grease to the V-belt, secondary sheave and clutch. Install it in the reverse order of removal.Apply silicon glue to mating surfaces. 11. Reinstall left crankcase and torque bolts in a cross pattern in 3 step to 14.5 ft.lbs. Remove chain guide fixing bolt to take out chain. 14. Remove driven gear from crankshaft and inspect gear for wear. 15. Remove crankcase fixing bolts separate the left crankcase from the right one. NOTE: Make sure the contact faces are not scratched to avoid oil leakage. 19. Remove oil seal from crankcase. Inspect oil seal for wear. If so, replace. Install them in the reverse order of removal. NOTE: Be sure to drain crankcase oil before crankcase removal. 3.4.7 Magneto 1. Remove magneto cover fixing bolts and screws to dismount magneto cover. Install it in the reverse order of removal. NOTE: As there is magnetism inside the magneto rotor, make sure no metal object is taken in and the inside of the rotor is cleaned out before installation. If so, replace the oil pump assembly. 7. Fasten pump with screws after assembling. Loosen inlet-valve seat screw and air filter fixing screw to remove carburetor. NOTE: Make sure the fuel in the fuel bowl is drained before the carburetor removal lest the cylinder head be sprinkled with the fuel, which is likely to bring about a fire. Inspect spring for distortion and diaphragm for damage. If that is the case, replace as a set. Install in the reverse order of removal. NOTE: Make sure the slot on the air pressure diaphragm is in alignment with the corresponding setting slot. Remove spring and needle. 12. Inspect needle for wear, air pressure piston for damage and diaphragm for cracks and aging. Replace as a set if necessary. Blow each fuel passage of carburetor clean with compressed air. And install them in their original positions. 17. Measure fuel level by holding the gauge vertically to the float chamber and in alignment with the main jet. Remove the spark plug cap. Disconnect the wires, remove ignition coil Jam nuts and remove the ignition coil. Inspection Check the ignition coil circuit. The spark advance angle does not need to be adjusted. Remove the cover. Disconnect the magneto.Bend both ends of cotter pin around nut in opposite directions. 4, Check steering, must move freely and easily from full left to full right without binding. HUB BEARING REPLACEMENT 1. Remove the oil seals. 2. Remove the SPACER 1. 3. Remove the bearings. 1. Apply grease to the bearings. 2. Apply grease on A-ARM PIVOT SHAFT Reverse the hub removal procedure for installation. 4.3 FINAL DRIVE REAR WHEEL Removal 1. Place the vehicle on level ground with engine off and fuel off, set the front parking brake, 2. NOTE: To clean the chain, remove the chain from the ATV, dip it in solvent, and clean out as much dirt as possible. Torque Specifications: 41-44Ft.Lbs (55-60N.m) 9. Recheck the chain tension: At the center point between the two sprockets, push and pull the chain and note total flex.NOTE: Drive the bearing which near the brake disc first by press the bearing outer race, then put in the SPACER (15) and drive in another bearing by press the bearing both inner and outer race till it touch the SPACER (15). Inspection Inspect the SWING ARM PIVOT BUSHINGs and the SWING ARM PIVOT shaft for nicks, scratches, or damage. Replace if necessary. Installation Reverse the removal procedure for installation. Always refer to Parts Manual of each ATV model for spare parts information and service. Carefully pry seal out of hub. Do not damage the surface of the seal. Clean the hub. 8. Drive bearing out through opposite side of hub and discard. Re-torque spindle nut to 110-140 inch lbs CHAPTER 5 FINAL DRIVE. Tighten nut slightly if necessary to align cotter pin holes. 12. Rotate hub and check for smooth operation. Bend both ends of cotter pin around end 13. Be careful not to drop Inspect groove any of the steel balls from the bearing cage. 7. Check the movement of the joint 10. Check the stopper ring in the end of the inboard joint. Make sure it seats in the groove correctly, if damage the ring must be replaced. Align the steel ball receptacles in both parts. b. Install the steel balls into their receptacles in the bearing case. c. Bend down the tab on the boot band and secure the tab with the locking clips and tap them with a plastic hammer. Make sure they are locked in place. The bearings should turn smoothly and quietly, with no detectable up and down movement and minimal movement side to side.Always field test the ATV carefully and thoroughly after front gearcase and differential service for vehicle maneuvers and operation. Remove gear, screws, pinion shaft retainer plate and pinion shaft. Remove seal from the case.Inspect gears for wear, cracks, chips or broken teeth. Inspect engagement dogs and detent ball housing, replace if edges are rounded. Inspect casting for crack. Apply Loctite 243(Blue) screw threads and torque screws to 8ft.lbs. (12Nm) 3. Remove bolts and differential cap A. Inspect gears for wear, cracks, chips or broken teeth. Solution: Increase the preload to indent ball by turning the grub screw or change a new spring.Always refer to Parts Manual of each ATV model for spare parts information and service. Reconnect linkage rods to shift rod slides. Adjust as required. See linkage adjustment procedures. Replace remaining parts. 6.5 SHIFT LINKAGE ADJUSTMENT Linkage rod adjustment is necessary when symptoms include:. Adjust the low range (inside) rod so the rod end is centered on the transmission bell crank. Mark for counter Install the lock nut to the rod end and torque to 35 in.lbs ( 4 Nm). See picture. 10. Remove right and left side engine mount bolts, and remove engine from engine stay. IMPORTANT: The gear position indicator switches must be removed prior to disassembly. 3. Remove the transmission cover bolts. 4. Carefully remove the cover with a soft face hammer tap on the cover bosses. Carefully remove the cover with a soft face hammer tap on the cover bosses. 9. Note position of shim washers and thrust button. 10. Remove shafts as an assembly. 11. Apply silicon to mating surfaces. 14. Always refer to Parts Manual of each ATV model for spare parts information and service. NOTE Also See Chapter 2 for Maintenance Information. Make sure atmospheric vent on reservoir is unobstructed. Adjust foot brake after pad service. Test for brake drag after any brake system service and investigate cause if brake drag is evident. Make sure you have a clean work area to disassemble brake components. CAUT ION: Use care w hen supporting vehicle so that it does not tip or fall. NOTE: If any special service needed, contact the ATV manufacture via the agent for the parts and special instruction. REMOVAL and INSPECTION 1. Remove caliper mounting bolts and lift caliper off of disc. NOTE. When removing caliper, be careful not to damage brake hose. NOTE: If any special service needed, contact the ATV manufacture via the agent for the parts and special instruction. It contains sulfuric acid. Serious burns can result from contact with skin, eyes or clothing Antidote: External: Flush with water. Inspect the battery fluid level. When the battery fluid nears the lower level, the battery should be removed and distilled water should be added to the upper level line. NOTE: This test can only be performed on machines with electric starters. This test cannot be performed with an engine or starting system that is not working properly. Check the ignition spark gap. Check the spark by pushing the MEETS SPECIFICATION starter switch, and increase the spark. Connect the pocket tester (1) to the ignition coil. Check if the primary coil has the specified resistance. Damage will occur to light bulbs and speed limiter. Connect an ammeter in series with the negative battery cable. Immerse the thermo switch in the water Check the thermo switch for continuity. NOTE: Measure temperatures while heating the coolant with the temperature gauge. Drain the coolant and remove the Never subject it to strong thermo unit from the cylinder head.Turning the adjusting bolt clockwise increase speed, while counterclockwise decrease it. Remove the fuel tank cover. Remove the three bolts, retaining plate and fuel level sensor from the fuel tank. Installation Install a new seal rubber onto the fuel level sensor. With the fuel level sensor float at the top (FULL) position, turn the ignition switch to “ON” and check the fuel gauge. All segments up to segment “F”should come on. If the fuel gauge does not function properly, check the fuel level sensor If the fuel level sensor is OK, replace the LCD Meter. Always refer to Parts Manual of each ATV model for spare Always refer to Parts Manual of each ATV model for spare parts information and service. Persons using this manual should have a sound knowledge of mechanical theory, tool use, and shop procedures in order to perform the work safely and correctly. Carbon monoxide exhaust gas is poisonous and can cause severe injury or death. Always start engines outdoors. Gasoline is extremely flammable and explosive under certain conditions. Battery electrolyte is poisonous. It contains sulfuric acid. Serious burns can result from contact with skin, eyes or clothing. Always refer to Parts Manual of each ATV model for spare parts information and service. This includes gears, cylinders, pistons and other parts that have been ”mated ”through normal wear. Replace distorted circlips.The on-road equipments (rear view mirror, turn lights, etc.) are not Standard Equipment for USA. PAGE. 1- 6 CHAPTER 1 GENERAL. Always refer to Parts Manual of each ATV model for spare parts information and service. 2.1 PERIODIC MAINTENANCE 2.2 FUEL SYSTEM 2.3 TOE ALIGNMENT. Gasoline powered engine exhaust fumes are poisonous and can cause loss of consciousness and death in a short time. Never drain the float bowl when the engine is hot. Severe burns may result.Remove the two mounting bolts, collars and the fuel valve. 3. Remove the O-ring and fuel strainer screen. Measure from string to rim at front and rear of rim. Check surface condition of the disc.While adjusting, it is important you apply the lever back and forth for operation, free play and the locking of the parking position. The front brakes are mechanical drum type brakes which are activated by one lever only. NOTE: While adjusting free play, it is important you apply the lever back and forth. 3. Adjust sion spring preload requirem sary.Damping should be smooth throughout the range of travel. CAUTION: If wheels are improperly installed it could affect Vehicle handling and tire wear.Check that all cotter pins are in place. Refer to specific fastener torques listed in each chapter.When the valve clearance is to be measured or adjusted, the piston must be at Top Dead Center (T.D.C.) on the compression. If the clearance is incorrect, repeat above steps until specified clearance is obtained. 7. Install: Valve cover (intake side) O-ring 8. Install: Valve cover(exhaust side) O-ring Spark plug Timing check window screw Crankcase cover. Refer to “CALCE CLEARANCE ADJUSTMENT” section. 2. Start the engine and let it warm up for several minutes. WARNING: Before cranking the engine, ground all spark plug leads to prevent sparking. ENGINE OIL REPLACEMENT 1. Start the engine and let it warm up for several minutes. 2. Turn off the engine and place an oil pan under the engine. Do not apply at high speeds more than specified when checking the pressure. NOTE: Wipe any spilled oil off the engine. 3.2.6COOLANT LEVEL INSPECTION Inspect: Coolant level. Scalding hot fluid and steam may be blown out under pressure, which could cause serious injury. When the engine has cooled, open the radiator cap as follows: Place a thick rag or a towel over the radiator cap. Crankcase breather hose Outlet hose (cylinder head) Breather hose (crankcase) Carburetor joint Joint. Cylinder head warpage: Less than 0.03 mm Warpage measurement and resurfacement steps: Place a straight edge and a feeler gauge across the cylinder head. NOTE: When installing the cam sprocket, keep the timing chain as tense as possible on the exhaust side. Rocker arm shaft hole. Cam-lobe contact surface. Inspect the surface condition of the rocker arm shafts. CAUTION: Do not compress so much as to avoid damage to the valve spring. Valve guide inside diameter: Intake: 6.000-6.012 mm. Valve seat width: Intake: 0.9-1.1mm Exhaust: 0.9-1.1mm Measurement step: Apply Mechanic’s blueing dye (Dykem) the valve face. Install the valve into the cylinder head. NOTE: Make sure to clean off all compound from the valve face and valve seat after every lapping operation.CAUTION: Do not hit so much as to damage the valve. NOTE: Eliminate the carbon deposits from the piston ring grooves and rings before measuring the side clearance. Lubricate the pistons and piston rings liberally with engine oil. Pass the timing chain and timing chain guide (exhaust side) through the timing chain cavity. CAUTION: Never smear grease to the V-belt, secondary sheave and clutch. Shaft (idle gear) Idler gear Starter one way clutch assembly. Pump driven gear Dowel pin Oil pump assembly Gasket. Crankcase (left) Oil seal Oil seal Reverse the removal procedure for. If the timing chain hooks to the crankshaft sprocket, the crankshaft cannot be removed.Radiator removal Drain the coolant. Fan motor leads Thermo switch leads hose (radiator) Outlet hose (radiator) Inlet hose (radiator) Radiator. If flattened over the 20 of radiator fin, repair or replace the radiator. O-ring Reverse the removal procedure for installation.If necessary, replace water pump as an assembly. Place a reliable thermometer in water. Observe the thermometer, while continually stirring the water. Thermostatic valve Vessel Thermometer. Always stop the engine and refuel outdoors or in a well ventilated area. Do not smoke or allow open flames or sparks in or near the area where refueling is performed or where gasoline is stored. Check the jet needle for stepped wear. Check the vacuum piston for wear or damage. Check the diaphragm for holes, deterioration or damage. Check the vacuum piston for smooth operation and down in the carburetor body. Clean main jet with cleaning solvent and blow this open with compressed air. 17.Remove: Main nozzle Check the main nozzle for wear or damage. Clean the main nozzle with cleaning solvent and blow this. Reverse removal procedure installation. Reverse removal procedure installation.Never start the engine in an enclosed area. Gasoline powered engine exhaust fumes are poisonous and can cause loss of consciousness and death. Remove cover After the engine warms up, connect it to an engine revolution counter. Adjust idle screw until specified revolution is obtained. Disassemble tension seal bolt and spring. Use the kick start lever to turn engine slowly until “T” mark on flywheel lines up with indicator on crankcase and check position of camshaft to find if both valves are closed. Remove camshaft. Check camshaft Check cam lift. Use limit:IN: 25.681mm below change EX:25.524mm below change Check surface of cam lobes for weary surface break down, scuffing or cracking. Check camshaft and bearing for loose fit or damage. Check if camshaft fixed seat and camshaft rocker arm and camshaft rocker arm bearing is worn or broken. Measure outer diameter of camshaft rocker arm bearing and inner diameter of camshaft rocker arm. Take off camshaft chain guide bar.Check if valve and valve guide is blocked. Measure every valve stem outer diameter. Press in the new valve guide pipe. Spread engine oil on new O-ring and build up new valve guide pipe. Make sure cylinder head is still warm when pressing in new guides. Polish valve contact surface with emery and polishing bar after correcting bar. Install cam chain adjuster plate.