1987-2004 Yamaha Warrior 350, YFM350X ATV Service Manual
Diagnostic procedures and component service for Yamaha Warrior 350, YFM350X. Ref: LIT-11616-YM-37
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Sample pages from the 1987-2004 Yamaha Warrior 350, YFM350X ATV Service Manual manual
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Yamaha Models Covered & Key Technical Specifications
Models: Yamaha Warrior 350, YFM350X
Sub-models / Variants: 5YT1, 5YT2, 5YT3, YFM350S
Build Years: 1987–2004
Technical Data:
- Engine type: Air-cooled 4-stroke, SOHC, forward-inclined single cylinder
- Displacement: 349.0 cm3 (21.30 cu.in)
- Compression ratio: 9.20:1
- Starting system: Electric starter
- Transmission type: Constant mesh, 6-speed forward, 1-speed reverse
- Drive system: Chain drive
- Front brake: Dual disc brake
- Rear brake: Single disc brake
- Battery capacity: 12 V/8.6 Ah
Yamaha Manual Features & Content Preview
Yamaha Warrior 350 YFM350X Service Documentation
- Covers 1987–2004 Yamaha Warrior 350 and YFM350X all-terrain vehicles, including multiple global region code variants
- Official Yamaha publication P/N LIT-11616-YM-37, including supplementary data for the YFM350S series
- Contains 47 exploded-view diagrams for chassis, engine, and electrical assembly
- Accessible from your device as soon as the order is placed
- Stored against your account so you can retrieve it after a hard-drive loss
- Full-text search finds any part number in seconds
- Laid out for standard letter and A4 printing
- This 2004 first edition provides the primary documentation set for the YFM350S variant while referencing critical engine and chassis maintenance schedules for earlier Warrior models
Service Content Overview
This factory service publication provides detailed technical parameters for the maintenance and assembly of the Yamaha Warrior 350. The content structures chapters for engine overhaul, transmission diagnostics, and chassis adjustment, covering critical service points like the rear axle hub, front suspension components, and engine mounting requirements. Sections document the disassembly procedures for the carburetor, electrical systems, and brake assemblies with accompanying illustrated exploded views for visual part identification and positioning.
Specifications and Technical Data Preview
Technical specifications are organized by system, documenting torque values, clearance limits, and electrical reference values. Cylinder head and engine cover torque specifications are provided in both Nm and ft-lbs, including critical tightening values like the 90 Nm (65 ft-lb) drive sprocket nut specification. The manual documents engine oil capacity at 3.20 liters including filter replacement. Valve clearance for the intake is listed at 0.009–0.037 mm in the cylinder head specification table. The Suzuki-based electrical system includes ignition timing data and C.D.I. unit reference values for the YFM350S. Reference what an OEM service publication covers to understand how the factory procedures are structured for the owner. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. An official Yamaha OEM workshop manual covering the 1987–2004 Yamaha Warrior 350 and YFM350S, documenting mechanical, chassis, electrical, and carburetor specifications for standard maintenance and assembly.
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