Yamaha YFM350FW YFM350FWT Big Bear 350 Service Manual PDF Download

Description

Yamaha YFM350FW / YFM350FWT Big Bear 350 Service Manual

This is the full service manual for the Yamaha YFM350FW and YFM350FWT Big Bear 350 ATV. Written for Yamaha dealers and qualified mechanics, it provides step-by-step disassembly, inspection, repair, assembly and adjustment procedures for the complete machine.

Models Covered

• YFM350FW (including T-B designation)
• YFM350FWT

Vehicle identification number starting serial: JY42HR00 * HC000101 (stamped on left side of frame). Engine serial number starting: 2HR-000101 (stamped on right side of engine). Publication numbers referenced include LIT-11616-FM-37, LIT-11616-06-01 and LIT-11616-07-58.

Main Systems & Subjects Included

• General Information – machine identification, important service notes, special tools list
• Periodic Inspections and Adjustments – complete maintenance/lubrication schedule, valve clearance, cam chain tensioner, idle speed, throttle lever, speed limiter, air filter, engine/transfer gear oil, front and rear brakes, clutch, steering, shock absorber, tires, wheels, final gear and differential gear oil
• Engine – full overhaul procedures
• Carburetion
• Drive Train – middle gear, final gear, differential gear
• Chassis
• Electrical – ignition timing, battery, spark plug, lighting, fuses
• Appendices

Repair & Maintenance Coverage

Detailed procedures cover valve clearance adjustment (intake 0.06–0.10 mm, exhaust 0.16–0.20 mm cold), engine oil/transfer gear oil replacement (including filter and strainer service), compression pressure measurement, front and rear brake lining/pad inspection and adjustment, clutch adjustment, select lever control cable, constant velocity joint dust boot inspection, and extensive use of Yamaha special tools for crankshaft, valve guides, flywheel, gear lash measurement and more. Exploded diagrams appear before each disassembly section. Recommended oils, torque values and service limits are provided throughout.

Why This Manual Is Useful

Owners and technicians can perform accurate valve adjustments, complete oil and filter services, brake and clutch setup, gear oil changes, and full component overhauls using the sequential procedures and special-tool requirements listed. The periodic maintenance chart and clear identification of VIN/engine serial locations help confirm applicability and keep the machine reliable.

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