Service Manual Application: 1998-1999 Yamaha Ouboard 150HP, 175HP, 200HP, 225HP (150-HP, 175-HP, 200-HP, 225-HP) C150V, 150V, S150V, L150V, P150V, D150V, S175V, P175V, 200V, S200V, L200V, P200V & 225V 2-Stroke engines LIT-18616-01-71, LIT186160171, 186160171.
150AET (150-AET) L150AET (L150-AET) 150FETO (150-FETO), S150FETO (S150-FETO), L150FETO, LS150FETO & 150GETO (150-GETO)
150HETO (150-HETO), 175AET (175-AET), 175DETO (175-DETO), S175-DETO (S175-DETO), 175FETO, 200AET (200-AET), L200AET
200FETO (200-FETO), S200FETO (S200-FETO), L200FETO, LS200FETO, 200GETO, 225DET (225-DET), 225DETO
USA & Canada Names:
C150TR, 150TR, S150TR, L150TR, P150TR, D150TR, S175TR, P175TR, 200TR, S200TR, L200TR, P200TR & 225TR
Fix your problems now, download the pdf service manual directly to your computer in just seconds. Pay throug Paypal or with Credit Card. A very simple download at a great price! Covers everything you need to know to fix your engine.
This service manual describes the service procedures for the complete Yamaha Outboard motor. Follow the Maintenance Schedule recommendations to ensure that the engine is in peak operating condition. Performing the scheduled maintenance is very important. It compensates for the initial wear that occurs during the life of the engine.
All chapters in the service manuals apply to the whole engine Yamaha Outboard engine and illustrates procedures for removal & installation of components that are in detailed step-by-step fashion.
Most all service manual chapters start with an assembly or system illustration, diagrams, exploded parts view, quality pictures, service information and troubleshooting for the section. The subsequent pages give detailed procedures. If you dont know the source of the trouble, go to the troubleshooting page for a list of causes and effects to determine the problem.
Typical chapters in a Yamaha Outboard Service Manual (chapters may differ depending on year/model):
OUTBOARD MOTOR INSTALLATION
ATTACHMENTS – CONTROL LINKAGE
Typical Sub-Chapters in a Yamaha Outboard Service manual:
Charging & Starting System
Timing, Synchronizing & Adjusting
Manual Language: ENGLISH
File Format: PDF
File Delivered In: PDF Format
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To keep your outboard in the best operating condition, it is important that your outboard receive the periodic inspections and maintenance listed in the Inspection and Maintenance Schedule. We urge you to keep it maintained properly to ensure the safety of you and your passengers and retain its dependability.
Before Each Use:
1. Check engine oil level.
2. Check that lanyard stop switch stops the engine.
3. Visually inspect the fuel system for deterioration or leaks.
4. Check outboard for tightness on transom.
5. Check steering system for binding or loose components.
6. Visually check steering link rod fasteners for proper tightness.
7. Check propeller blades for damage.
Due to the horsepower/rpm characteristics of an engine, this will result in further loss of horsepower at the propeller with another decrease in boat speed. This secondary loss, however, can be regained by switching to a smaller pitch propeller that allows the engine to again run at recommended rpm. For boaters to realize optimum engine performance under changing weather conditions, it is essential that the engine have the proper propeller to allow it to operate at or near the top end of the recommended maximum rpm range at wide-open-throttle with a normal boat load. Not only does this allow the engine to develop full power, but equally important is the fact that the engine also will be operating in an rpm range that discourages damaging detonation. This, of course, enhances overall reliability and durability of the engine.
The ignition system uses CDI (Capacitor Discharge Ignition). This system provides quick voltage buildup and strong spark required for high power and high performance engines. The CDI ignition system does not incorporate mechanically operated points, therefor making this CDI unit virtually maintenance free. As the flywheel rotates, electrical power (alternating current) is produced by the capacitor charging coil.
This power is rectified by diodes so that direct current voltage is utilized by the ignition system. When the ignition driver is off, the D.C. voltage is stored by the capacitor. Once capacitor voltage is charged to its potential, a gate signal is applied on the SCR and the residual current is dissipated through the capacitor charging coils. The electronic control module (ECM) activates the ignition driver in the ECM which allows the capacitor to discharge, causing the spark to occur.
Ignition timing is regulated by the ECM which receives status input from a variety of sensors. These sensors include the crank position sensor, engine temperature and oil pressure sender. The voltage discharged to the primary winding of the ignition coil causes a surge of high voltage to be induced in the secondary winding of the ignition coil. This induced voltage of sufficient amplitude causes the spark plugs to fire.
Manual start models are equipped with a 6 Amp battery charging system. If battery charging is required, order Yamaha Battery Charging Harness Kit (856558A1). This kit contains the wiring harness for the battery connection. An optional Yamaha high output 10 Amp alternator kit (856557A1) is also available for manual start models. The battery charging system components are the battery charging coil, rectifier/regulator and battery. Alternating current (generated in charging coils) flows to the rectifier/regulator, which changes the alternating current to a regulated direct current for charging the battery.
The battery charging system components are the stator lighting coils, rectifier/regulator and battery. Alternating current (generated in charging coil) flows to the rectifier/regulator, which changes the alternating current to a regulated direct current for charging the battery.
Trouble Analysis – Troubleshooting
The following items should be checked before the “Trouble analysis” chart is consulted. The battery is charged and its specific gravity is within specifications. There are no incorrect wiring connections. wiring connections are properly secured and are not rusty. The lanyard is attached to the engine stop switch. Then shift position is in neutral and the fuel is reaching the carburetor. The rigging and engine settings are correct and engine is free from any hull problems.
Engine will not start
Engine runs rough while idling
Engine will not stop
Loose tilt holding
Irregular warning indication
Poor battery charging
Tiller Tube Assembly
Steering Handle Arm
Pulley Case Assembly
Throttle Friction Assembly
Cable Jackets Secured in Case
Steering Arm Handle
Steering Arm Bracket
Service Manual, Repair Manual, Owners Manual, Engine Repair Guide, Exploded Parts Diagram, Service Manual Application: 1998-1999 Yamaha Ouboard 150HP, 175HP, 200HP, 225HP (150-HP, 175-HP, 200-HP, 225-HP) C150V, 150V, S150V, L150V, P150V, D150V, S175V, P175V, 200V, S200V, L200V, P200V & 225V 2-Stroke engines LIT-18616-01-71, LIT186160171, 186160171. Specifications, Checking Ignition Timing, Electric Start Tiller Handle Models, Wiring Diagram, Electric Start Remote Control Models, Wiring Diagram, Manual Start Models Wiring Diagram, Electric Start Tiller Handle Models, Wiring Locations, Electric Start Remote Control Models, Wiring Locations, Manual Start Models Wiring Locations, Specifications, Fuel Pump, Fuel Pump Removal, Fuel Pump Disassembly, Cleaning/Inspection/Repair, Fuel Pump Reassembly, Fuel Pump Installation, Carburetor, Intake, Carburetor Adjustments, RPM, Idle Speed, Choke, Carburetor Removal, Carburetor Disassembly, Cleaning/Inspection/Repair, Carburetor Reassembly, 4-Stroke, FourStroke, Four Stroke, Float Height Measurement, Carburetor Installation, Electric Choke Models Installation, Cylinder Head, Intake/Exhaust Valves, Oil Pump/Camshaft, Adjustments, Valve Clearance, Preparing Cylinder Head for Removal, Cylinder Head Removal, Oil Pump Removal, Cylinder Head Disassembly, Cleaning/Inspection/Repair, Cylinder Head, Cylinder Head Resurfacing, Rocker Arm and Rocker Arm Shaft, Camshaft, Valve Guide inspection, Valve Guide Replacement, Valve Seat Reconditioning, Valves, Valve Springs, Cylinder Head Reassembly, Oil Pump Installation, Cylinder Head Installation, Engine Rebuild Kit, How To Rebuild Engine, Spark Plug, Spark Plug Gap, Plugs, Part, Parts