1987-2004 Yamaha Warrior 350 YFM350X Supplementary Service Manual
Covers Yamaha Warrior 350 YFM350X models with procedures for engine, chassis, and electrical systems. Includes troubleshooting and maintenance schedules
Yamaha Models Covered & Key Technical Specifications
Models: YFM350X, YFM350XA, YFM350XE, YFM350XJ, YFM350XP, YFM350XKC
Sub-models / Variants: Warrior 350, California Model
Model Years: 1987–2004
Serial Numbers: JY43GDA0PA095101, 3GD-095101, JY43GDW0LC051101, 3GD-051101
Technical Data:
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Engine displacement: 348.0 cm³
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Engine configuration: Air-cooled 4-stroke, SOHC, forward-inclined single cylinder
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Compression pressure: 850 kPa (121 psi) at 350 r/min
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Idle speed: 1,450–1,550 r/min
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Intake vacuum: 30.7–33.3 kPa
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Fuel tank capacity: 9.0 L
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Battery capacity: 12 V 12AH
Yamaha Manual Features & Content Preview
Yamaha Warrior 350 Factory Service Manual (1987–2004)
- Covers 1987–2004 Yamaha Warrior 350 (YFM350X) models, including YFM350XP, YFM350XA, YFM350XE, YFM350XJ, and California-specific YFM350XKC variants.
- 415 pages of official Yamaha OEM documentation (P/N LIT-11616-15-09, first edition May 2001).
- Delivered as an instant download in a fully searchable PDF format. Find any exact part number in seconds.
- Laid out for standard US letter and A4 workshop printing.
This 2001 first edition acts as the primary baseline for the YFM350XP build while serving as the core supplementary volume for the broader 1987–2004 series. It maps out engine, electrical, and chassis components in high detail. Technicians get direct access to critical inspection intervals for valves, drivetrain alignment, and air filtration. The inclusion of precise cable routing diagrams for switches, brake hoses, and throttle mechanisms takes the guesswork out of reassembly. To maintain shop safety, always verify your specific model year's torque values and secure the ATV on a stable lift before beginning any diagnostic work.
Inside, the manual provides comprehensive specification tables covering carburetor jetting, clutch plate thickness, and piston clearances. It clearly outlines the engine revolution limiter system parameters and ignition timing resistance values. You will also find specialized tool callouts for specific diagnostic tasks, identifying exact part numbers like the YU-01135 crankcase separator and the YM-34487 dynamic spark tester. Exact specs are ready at a glance—from the 0.05–0.10 mm intake valve clearance to the 9.0-liter fuel system capacity for the 2004 YFM350X.
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