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antigone study guide prologueThis YAMAHA F150A, FL150A OUTBOARD Service Manual pays much attention to practicality from the view point of users, and the content is reasonably arranged. No matter you are the end-user or distributor, or professional technician, we have perfect guidance for you. Purposes of This Manual are to let users of YAMAHA F150A, FL150A OUTBOARD understand the construction, basic maintenance and repair of the YAMAHA F150A, FL150A OUTBOARD product and professional major repair methods. If you have this manual, you will have: Easy component identification; Careful disassembly; Accurate adjustments; Correct routine maintenance repairs; Lots of photographs, illustrations and procedure, detailed maintenance and operation instructions, information etc. Operating according to the manual allows you: To understand the composition of your YAMAHA F150A, FL150A OUTBOARD and function of each part; To keep your YAMAHA F150A, FL150A OUTBOARD in the best performance all along; To keep your YAMAHA F150A, FL150A OUTBOARD in good condition to guarantee your safety; To obtain the best warranty to the greatest extend; To be equipped with skills and knowledge to do repair and maintenance; To guarantee your safety and make the most use of your YAMAHA F150A, FL150A OUTBOARD, please read the manual carefully. Only in this way, you could fully enjoy the fun of using. Pay Today and Download the complete manual instantly. The download link will also be sent to your e-mail. The book of repair instructions details service, maintenance and repair procedures for the entire outboard motor. The repair manual is easy to follow and understand, as it comes with text as well as clear illustrations and photographs to help you accurately identify different parts of the engine, and correctly carry out procedures.http://tibbelit.se/userfiles/eheim-ecco-2232-manual.xml
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Whether you need to carry out extensive and complex repairs which require disassembling engine and other parts, or a simple maintenance routine to keep your outboard motor in great condition, then the Yamaha 150hp Repair Manual is the perfect guide you need to help you out. Depending on what kind of manual it is, even first-timers can repair their own outboard motor without any professional help. Let’s take a look at these to know which is most suitable for you. It comes along with the engine on purchase and provides valuable information regarding your model such as detailed instructions on how to operate the motor, how to maintain it to keep it in perfect condition, oil capacity, safety guidelines, spare parts specification, guidelines on how to use controls, troubleshooting guide, warranty information, etc. They are also referred to as shop manuals. They contain instructions on Yamaha 150 hp repair and maintenance. However, they are not in-depth as they are meant for people who are not acquainted with such services. Mostly, it contains instructions on how to assemble and disassemble a boat with an outboard motor as per factory settings using diagrams, photos and illustrations, and it also contains basic maintenance and repair instructions. For people who are well-acquainted with mechanics an outboard motor, these manuals are ideal, helping them do any repair and maintenance work themselves, even complex ones. These are in-depth as they are meant for professional technicians and mechanics. Initially, they were only made available for a small number of approved shops and technicians as it was believed that a professional repairman is the only suitable person to fix a certain manufacturer’s product. However, that is not the case anymore today. Whether you need simple maintenance to make sure it is in good condition through the years, or you need to carry out complex tasks, you can find all kinds of information you need by referring to the manual.http://applexin.com/ttpsea/files/eheim-classic-2215-manual.xml This cuts the need to go to a professional technician every time you face some trouble. I dont want to download it on my phone and try and use my phone to greasy hands zooming in and all that. But you can print regardless. Ethical Egoism. It has been written to suit the needs of persons who have a basic understanding of the mechanical and electrical concepts and procedures inherent in the work, for without such knowledge attempted repairs or service to the equipment could render it unsafe or unfit for use. Use the information below as a guide for effective and quality service. 1 Parts are shown and detailed in an exploded diagram and are listed in the components list. Ventilation Gasoline vapor and exhaust gas are heavier than air and extremely poisonous. Good working practices Special service tools 2. Apply engine oil to the contact surfaces Use the recommended special service tools of moving parts before assembly. Applicable models F150AET, FL150AET Serial number outboard motor serial number stamped on a label attached to the port clamp bracket. 1 Model name 2 Approved model code 3 Transom height 4 Serial number Approved Starting. This design produces good engine balance and allows a compact design. Exhaust gas from each cylinder flows directly into the exhaust manifold to obtain a compact design for the exhaust system. The balancer shaft 1 is driven by the gear on the crankshaft. The balancer shaft 2 is driven by the gear on the balancer shaft 1. The two counterrotating balancer shafts rotate at twice the speed of the crankshaft and reduce the forces of inertia of the connecting rods and each balancer shaft. The direction mark should face the flywheel. The connecting rod and connecting rod cap are manufactured as a single piece. Then, they are split using impact force. Intake air volume is calculated according to engine speed, Intake air pressure, and throttle position, and then the fuel injection volume is determined by the intake air volume to obtain a precise air and fuel ratio under all operating conditions. This allows easier interchanging of Yamaha outboards with the same classification because the mounting dimensions are the same. To cool the propeller damper, the cooling system is designed so that fresh cooling water is taken in from the front of the trim tab and supplied to the exhaust passage of the lower case to cool the exhaust gas. An oil drain bolt is located on the bottom of the oil pan. A long dipstick guide, which reaches the bottom of the oil pan, can also be used to pump out the oil completely with an oil-extracting tool. Fuel discharged from the pressure regulator returns to the vapor separator after being cooled in the fuel cooler. This allows for a compact engine design and produces a large electric current output for charging the battery under low engine speed.When a switch turns on, the engine speed is controlled as shown in the table. To make the delivery process smooth and efficient, the predelivery checks should be completed as explained below. Checking the fuel system 1. Check that the fuel hoses are securely connected and that the fuel tank is full with fuel. If the mounting height is too high, cavitation will occur and propulsion will be reduced. Also, the engine speed will increase abnormally and cause the engine to overheat. Adjust the maintenance intervals according to the operating conditions of the outboard motor. Initial Every Refer to Item Remarks 10 hours 50 hours 100 hours 200 hours. Adjust if necessary. S63P3030 Fuel system Checking the fuel joint and fuel hoses (fuel joint-to-fuel injector) 1. Remove the spark plug wire cover. 2. API: SE, SF, SG, SH, or SJ 7. Turn the engine off, and then check the SAE: 10W-30 or 10W-40 oil level and correct it if necessary. NOTE: For checking procedures, see Chapter 5, Recommended engine oil:. Specified spark plug: LFR5A-11 (NGK) S69J5E40 Spark plug gap a:. S63P3160 S63P3180 5. Check that the throttle valves are fully NOTE: closed, and then adjust the throttle link If there is no clearance, loosen the locknut 4 rod joint to align its hole with the ball joint 9 on throttle lever 1. S63P3210 CAUTION: S63P3240 The throttle cable joint must be screwed NOTE: in a minimum of 8.0 mm (0.31 in) d. The throttle valves are fully open when the throttle cam roller 8 is within the range b shown in the illustration. Check the internal parts of the lower case if necessary. 4. Insert a gear oil tube or gear oil pump into the drain hole and slowly fill the gear oil until oil flows out of the check hole and no air bubbles are visible. S69J3580 General Checking the anodes 1. Check the anodes and trim tab for scales, grease, or oil. Clean if necessary. Leakage tester: 90890-06840 2. S63P3320 S63P3340 3. Apply corrosion resistant grease to the S60X3090 areas shown.Replace if necessary. 2. Cover the pressure check valve a of the fuel rail with a rag, and then press in the pressure check valve a using a thin screwdriver to release the fuel pressure. Digital circuit tester: 90890-03174 S63P4280 4. Install the throttle joint link rod 3 so the throttle cam roller 4 is aligned with the alignment mark a as shown. S63P4290 NOTE: Make sure that the throttle position sensor output voltage does not change when install- ing the throttle joint link rod. Replace if necessary. 2. Remove the camshafts. 14. Remove the valve shim 7 from the valve lifter 8 using compressed air. Install the camshaft caps, and then tighten them to the specified torques in driven sprockets are aligned. Adjust if two stages and in the sequence shown in necessary. Adjust if necessary. 25. Install the spark plugs, and then tighten them to the specified torque. 26. Install the cylinder head cover bolts, and then tighten them to the specified torques in two stages. S63P5330 CAUTION: Apply force in the direction of the arrows. Oil filter wrench: 90890-06830 Removing the timing belt and sprockets 1. Turn the drive sprocket clockwise and align the “ ” mark a on the plate with the “I” mark b on the cylinder block, and check that “I”. NOTE: Be sure to keep the valves, springs, and other parts in the order as they were removed. Replace if out of specification. Valve spring tilt limit b: 1.5 mm (0.06 in) Checking the valves. Replace the valve 90890-06801 guide if out of specification.Be sure to b Previous contact width turn the cutter evenly downward at a pres- c Specified contact width. Replace if out of specification. S63P5210 NOTE: Apply engine oil to the valve shims and valve lifters before installation. Installing the cylinder head 1. S63P3110 S63P5670 2. Remove the exhaust cover bolts in the sequence shown. Replace the cylinder block if out of specification.Replace if out of specification. NOTE: Do not put the Plastigauge (PG-1) over the oil hole in the main journals of the crankshaft. S63P5850 Cylinder block mark b Checking the oil pump 1. Check the gear teeth for cracks or wear and the oil pump case for scratches. Replace the oil pump assembly if neces- sary. Apply engine oil to the inner oil seal before installation. Piston ring compressor: 90890-05158 9. Install the connecting rod caps 5 to the connecting rods, and then tighten the connecting rod bolts to the specified torques in three stages. After installing the balancer assembly the balancer assembly.NOTE: Do not get any sealant inside the balancer assembly. S63P5B20 21. Install the oil filter, and then tighten it to the specified torque using a 72.5 mm Exhaust cover bolt: (2.9 in) oil filter wrench. Replace if necessary. S69J6045 S69J6030 2. Check the impeller 1 and insert car- tridge 2 for cracks or wear. Replace if necessary. S63P6050 3. Disassembling the propeller shaft housing 1. Remove the reverse gear and thrust washer. Replace the gear if necessary. Stopper guide plate 5: 90890-06501 S62Y6640 Stopper guide stand 6: 90890-06538 3. Check the bearings for pitting or rum- Bearing puller assembly 7: bling. NOTE: Install the ball bearing with the manufacture identification mark e facing outward (propel- ler side). Needle bearing attachment 8: 90890-06654 4. S69J6186 CAUTION: Do not reuse the bearing, always replace it with a new one. S68S6360J Drive shaft holder 6 1: 90890-06520 Pinion nut holder 2:. Bearing outer race puller assembly 1: 90890-06523 2. Remove the needle bearing. Checking the drive shaft 1. Check the drive shaft for bends or wear. Replace if necessary. Ball bearing attachment 2: 90890-06636 Driver rod LL 3: 90890-06605. Assembling the forward gear 1. Install new needle bearings into the for- ward gear to the specified depth. If “T3” is 0.53 mm, then the pinion shim is 0.52 mm. If “T3” is 0.78 mm, then the pinion shim is 0.75 mm. Selecting the forward gear shims 1. Replace if necessary. S69J6360 S69J6030 2. Check the impeller 1 and insert car- tridge 2 for cracks or wear. Replace if necessary. S63P6050 3. S63P6500 Disassembling the forward gear Ring nut wrench 4 1: 90890-06512 1. Remove the bearing outer race, taper Ring nut wrench extension 2: roller bearing, and thrust washer from the forward gear. Replace if necessary. housing 1. Remove the oil seals and needle bear- ing. S69J6410 Checking the propeller shaft 1. Check the propeller shaft for bends or Needle bearing attachment 1: wear. NOTE: Install the dog clutch B with the “F” mark e facing toward the forward gear. Ring nut wrench 9: 90890-06578 6. S67H6270R Bearing separator 1: 90890-06534 S68S6360J 2. Remove the needle bearings from the Drive shaft holder 6 1: 90890-06520 reverse gear using a chisel. S69J6210 Checking the lower case 1. Check the skeg and torpedo for cracks or Ball bearing attachment 3: damage. Replace the lower case if nec- 90890-06636 essary. Driver rod LL 4: 90890-06605 Checking the pinion and reverse gear 1. NOTE: Apply gear oil to the needle bearing outer case before installation. Align the insert cartridge projections b with the holes c in the pump housing. 4. Align the groove in the impeller 5 with the Woodruff key 6, and then install the impeller onto the drive shaft. NOTE: “P” is the deviation of the lower case dimen- sion from standard. NOTE: Tighten the center bolt while turning the drive shaft until the drive shaft can no longer be Propeller shaft free play: turned. NOTE: Install the dial gauge so that the plunger a NOTE: Tighten the propeller nut B while turning the contacts the mark b on the backlash indica-. Remove the reservoir cap, and then Light green (Lg) check the fluid level. Connect the PTT motor leads to the bat- NOTE: tery terminals to fully retract the trim and Quickly install the manual valve before any tilt rams, and then measure the hydraulic fluid flows out of the hole. pressure. Replace if there is no continu- ity. CAUTION: Do not touch the bimetal b, otherwise the operation of the circuit breaker can be affected. Armature continuity 3. Replace if neces- sary. 4. Check the reservoir cap and O-ring for damage. Disassembling the gear pump housing 1. Remove the gear pump housing. S60X7430 NOTE: Make sure that the shuttle pistons and balls. Checking the gear pump 1. Clean all the valves, pistons, and balls, and then check them for damage or wear. Check the filters for damage or clogs. Replace if necessary. 2. Check the drive gears for damage or wear. Polish with 400- to 600-grit cylinder sandpaper if there is light rust or replace 1. Disassemble the tilt piston assembly.Install the tilt piston assembly into the tilt 12. Fill the gear pump housing with the rec- cylinder, and then tighten the tilt cylinder ommended fluid to the correct level as end screw to the specified torque. shown. Remove the reservoir cap, and then NOTE: check the fluid level in the reservoir. If the fluid is at the correct level, the fluid should overflow out of the filler hole when the NOTE: If the fluid is at the correct level, the fluid reservoir cap is removed. Replace if (B) lead to the negative battery terminal there is no continuity. as shown. Replace if out of specification. NOTE: Turn the lever 1 and measure the resistance as it gradually changes. NOTE: The ignition spark gap can also be checked using the “Stationary test” of the Yamaha Diagnostic System. 8-11 63P3F11. Replace the pulser coil if below Primary coil: specification.Replace if there is no continuity. NOTE: Check the operation of the fuel injectors using the “Stationary test” of the Yamaha Diagnostic System. Checking the main relay 1. Remove the fuse holder cover, and then remove the fuse holder. Replace if there is no continuity. S69J8340 Checking the starter relay 1. Connect the digital circuit tester leads to the starter relay terminals. 2. Connect the positive battery terminal to the brown (Br) lead. Replace the armature if out of specifica- tion. NOTE: Remove the clip with a thin screwdriver. Checking the starter motor pinion 1. Replace if out of specifications.If below specification, mea- 1. Disconnect the stator coil coupler.By connecting your computer to the ECM (Electronic Control Module) of an outboard motor using the communication cable, this software can be used to display sensor data and data stored in the ECM on a computer’s monitor. For operating instructions of the Yamaha Diagnostic System, refer to the “Yamaha Diagnostic Sys- tem Instruction Manual.” 63P3F11. Replace the starter relay. Check the wiring harness for continuity. Repair or replace the wiring har- Is there continuity? ness. Disassemble and check the starter motor. 63P3F11. Clean, adjust, or replace the Good condition.Is there continuity. Replace the main relay. Check the ECM output peak voltage. Fuel system Check the electric fuel pump operation. Can the opera- Check the fuse holder, fuse, tion sound be and wiring harness for continu-. Cracks or damage? Replace the diaphragm. Check the vapor separator needle valve. Is the needle valve Replace the needle valve.Check the battery lead connec- tions and check that the ground lead bolt is not loose or that it has not come off. Clean, adjust, or replace the Good condition.Fuel system Check the electric fuel pump operation. Can the opera- Check the fuse holder, fuse, tion sound be and wiring harness for continu- heard? ity. Replace the diaphragm. Check the vapor separator nee- dle valve. Is the needle valve Replace the needle valve.Good condition? Replace the pressure regulator. Check the injector resistance and check the injectors for clogs. Add engine oil to the correct At specified level? level. Check the oil pressure. Check the oil pump for debris or Within specification? oil leaks. Check the oil Debris or leaks? passage. Check the throttle position sen- sor and check that the connec- tor is securely connected. Repair or replace the defective Good condition? part. Check the neutral switch for continuity. Clean, adjust, or replace the Good condition.Cracks or damage? Replace the diaphragm. Is the needle valve Replace the needle valve.Check the throttle valve opening of each cylinder. Are the throttle Synchronize the throttle valves valves open or replace the defective parts.Symptom 5: Engine speed rises even when the throttle position is fixed. Check the throttle cable operation. It has been written to suit the needs of persons who have a basic understanding of the mechanical and electrical concepts and procedures inherent in the work, for without such knowledge attempted repairs or service to the equipment could render it unsafe or unfit for use. Use only the latest edition of this manual. Authorized Yamaha dealers are notified periodically of modifications and significant changes in specifications and procedures, and these are incorporated in successive editions of this manual. Use the information below as a guide for effective and quality service. 1 Parts are shown and detailed in an exploded diagram and are listed in the components list. 2 Tightening torque specifications are provided in the components list at the beginning of each section and after a numbered step with tightening instructions. 3 Symbols are used to indicate important aspects of a procedure, such as the grade of lubricant and lubrication point. 4 The components list consist of parts and part quantities, as well as bolt and screw dimensions. 5 Service points regarding removal, checking, and installation are shown in individual illustrations to explain the relevant procedure. You will receive a link to create a new password via email. You will receive a link to create a new password via email. Australia did not escape this fate, as, indeed, other countries and even continents. Today, Yamaha Motor Co., Ltd. products will be sold both under theirMore sophisticated technologies onThis allows not only to reduce harmful emissions into the atmosphere, but also to increase the efficiency of the motors themselves, as wellBuilt in 1996. The ID tag reads 250 TXRS. 61A. UL. Then the numbers 704094. Any help here would be greatly appreciated. Thank you.It's a 40hp two-stacked machine. Fuel 100: 1, 40BE engine code. Can you help me? Information in German would be great!Where can I get them. If 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. This Service Manual haseasy-to-read text sections with top quality diagrams and instructions.Trust Yamaha F150A, FL150A Outboard Service Repair Manual willgive you everything you need to do the job.Now customize the name of a clipboard to store your clips. See our Privacy Policy and User Agreement for details.You can change your ad preferences anytime. Cancel anytime. Now customize the name of a clipboard to store your clips. See our Privacy Policy and User Agreement for details.You can change your ad preferences anytime. It is this level of detail, along with hundreds of photos and illustrations, that guide the reader through each service and repair procedure. Complete download comes in pdf format which can work under all PC based windows operating system and Mac also, All pages are printable. Using this repair manual is an inexpensive way to keep your vehicle working properly. All pages are is great to haveYAMAHA FL150AET OUTBOARD Service Repair Workshop Manual. Because Yamaha has a policy of continuously improving its products, models may differ in detailUse only the latest edition of thisImportant information 1. Particularly important information is distinguished in this manual by the following notations. The Safety Alert Symbol means ATTENTION.All rights reserved. Any reprinting or unauthorized useYamaha Motor Co., Ltd.Printed in the NetherlandsGeneral information 1GENPeriodic checks and adjustments 3CHKPower unit 5POWR. Lower unit 6LOWR. Bracket unit 7BRKT. Electrical systems 8ELEC. Troubleshooting 9TRBLHow to use this manual.1-1. Manual format.1-1. Symbols.1-2. Safety while working.1-3. Fire prevention.1-3. Ventilation.1-3. Self-protection.1-3. Parts, lubricants, and sealants.1-3. Good working practices.1-4. Disassembly and assembly.1-4. Identification.1-5. Applicable models.1-5. Serial number.1-5. Features and benefits.1-6. Crankshaft and cylinder.1-6. Balancer.1-7. Piston and piston ring.1-7. Connecting rod.1-8. Cylinder head cover.1-8. Intake system.1-9. Top cowling.1-10Cooling system.1-12. Lubrication system.1-13. Fuel system.1-15. Rectifier Regulator.1-16. Isolator.1-16. Technical tips.1-17. Electronic control system.1-17Warning control.1-19. Shift cut control.1-20. Over-revolution control.1-20. Fuel pump control.1-20. Propeller selection.1-21. Propeller size.1-21. Selection.1-21Checking the fuel system.1-22. Checking the gear oil level.1-22. Checking the engine oil level.1-22. Checking the battery.1-22. Checking the outboard motor mounting height.1-23. Checking the remote control cables.1-23. Checking the steering system.1-24. Checking the gear shift and throttle operation.1-24. Checking the power trim and tilt system.1-24. Checking the engine start switch and engine stop lanyard switch.1-24. Checking the cooling water pilot hole.1-25. Test run.1-25. Break-in.1-25. After test run.1-25Manual format. The format of this manual has been designed to make service procedures clear and easy to under-No. Part name Q’ty RemarksDisassembling the drive shaftDisassembling the forward gearDrive shaft holder 4 1: 90890-06518. Pinion nut holder 2: 90890-06505. Socket adapter 2 3: 90890-06507. Bearing inner race attachment 3:Stopper guide plate 2: 90890-06501. Stopper guide stand 3:Bearing puller claw 1 5:The symbols below are designed to indicate the content of a chapter. General information. Specifications. Periodic checks and adjustments. Fuel system. Power unit. Lower unit. Bracket unit. Electrical systems. TroubleshootingSymbols 7 to C in an exploded diagram indicate the grade of lubricant and the lubrication point.A Apply corrosion resistant greaseB Apply low temperature resistant greaseC Apply injector grease. Symbols D to I in an exploded diagram indicate the type of sealant or locking agent and the appli-D Apply Gasket Maker. E Apply Yamabond No. 4. F Apply LOCTITE 271 (red). G Apply LOCTITE 242 (blue). H Apply LOCTITE 572. I Apply silicon sealantTo prevent an accident or injury and toFire prevention. Gasoline is highly flammable. Keep gasoline and all flammable productsVentilation. Gasoline vapor and exhaust gas are heavierWhen test running an engine indoors (e.g., inSelf-protection. Protect your eyes by wearing safety glassesProtect your hands and feet by wearing pro-Parts, lubricants, and sealants. Use only genuine Yamaha parts, lubricants,Yamaha, when servicing or repairing the out-Under normal conditions, the lubricants men-However, you shouldDo not, forGood working practices. Special service tools. Use the recommended special service toolsUse the rightTightening torques. Follow the tightening torque specificationsWhen tight-Non-reusable parts. Always use new gaskets, seals, O-rings, cot-Disassembly and assemblySafety while workingApplicable models. This manual covers the following models. Serial number. The outboard motor serial number isApplicable modelsApprovedStartingCrankshaft and cylinder. The center of the crankshaft is offset 10 mm (0.39 in) from the center of the cylinder to make moreThis design produces good engine balance and allows a compact design. Exhaust gas from each cylinder flows directly into the exhaust manifold to obtain a compact designA two-piece balancer is used in the crankcase to reduce the secondary forces of inertia produced byThe balancer shaft 1 is driven by the gear on the crankshaft. The balancer shaft 2 is driven by the gear on the balancer shaft 1. The two counterrotating balancer shafts rotate at twice the speed of the crankshaft and reduce theTherefore, engine vibration is reduced.Piston and piston ring. A forged piston has been adopted for durability. Hard chromium plating is applied to the piston rings. The top and 2nd piston rings differ and are identified by a mark on each ring. Install the piston rings on the piston with the identification marks facing up.A direction mark for installing the connecting rod to the crankshaft in the proper direction is on theThe direction mark should face the flywheel. Then, they are splitCylinder head coverThe gas and oil flow is shown below.E Blowby gas. E OilMulti-point, group fuel injection with four separate throttle valves is adopted for the intake system. Intake air volume is calculated according to engine speed, Intake air pressure, and throttle position,Fuel is injected dur-. This allows a simpler fuel injection control system.Therefore, each fuel injector is identified by color because the specifications of each fuel injector areE Model. E Injector color. E First three digits. E Orange. I Yellow. I Ivory. Top cowling. Water is separated from the intake air and flows down through the drain hoses before draining outThe structure of the top cowling helps to prevent water from accumulating in the top cowling andE WaterThe 64E type clamp bracket and power trim and tilt unit used for current V4 and V6 outboard motorsThis allows easier interchanging of Yamaha outboards with the same classification because theFor the power trim and tilt unit, only the impact absorber valve opening pressure of the tilt pistonThe pressure is distinguished from those of other models by an iden-YA Carbureted V4 and V6 (2.6)VX200 (200H), VX225 (225G), and VX250 (250C). YD F115 (F115A), LF115 (FL115A), and (F100B). YE VZ225 (Z225H) and VZ250 (Z250F). YF F150 (F150A) and LF150 (FL150A)The cooling water flow diagram is as follows. To cool the propeller damper, the cooling system is designed so that fresh cooling water is taken inCooling water also accumulates around the exhaust muffler to cool the upper case and reduceE WaterCylinder block. Cylinder head. Cylinder block. Exhaust cover. Exhaust guide. Oil pan. Water pump. Water inlet. Pressure control valve. Upper case. Lower case. Propeller boss. Trim tab. Cooling water pilot hole. Fuel coolerThe lubrication oil flow diagram is as follows. There is a small hole in the relief valve to allow oil to drain from the oil filter bracket so that it doesThis prevents oil from spilling out when replacing the oil filter.E OilPiston. Crankpin. BalancerCrankshaft main journal. Main passage. Oil filter.