Basic Information
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Identification
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Make:
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Yamaha
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Model:
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YFM350BAT Bruin Grizzly 2WD
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Product Name:
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2004-2010 Yamaha YFM350BAT Bruin Grizzly 2WD Service Repair Manual Download (04 05 06 07 08 09 10) PDF
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Applicable Model Years:
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2004, 2005, 2006, 2007, 2008, 2009, 2010
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Codes
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Model Codes Covered:
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YFM350AS, YFM350BAT, YFM350BAV, YFM350GW, YFM350GXR, YFM350GXL, YFM350GXGR, YFM350FGYGR, YFM350FGYB, YFM350GZGR
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Manual Coverage
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Systems Covered
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Engine:
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Detailed engine overhaul, tuning, diagnostics, and component identification
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Cooling System:
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Radiator, fan, hoses, coolant types, and flow diagnostics
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Carburetion:
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Carburetor identification, adjustment, cleaning, rebuilding, and jetting
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Drivetrain:
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Clutch, transmission, gearbox, driveshafts, and differential service and repair
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Chassis:
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Frame, suspension (front and rear), steering, wheels, and tires
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Electrical:
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Wiring diagrams, ignition system, lighting, battery, starter, charging system, and accessories
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Troubleshooting:
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Diagnostic procedures for common and uncommon issues, fault finding techniques
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Procedures Included
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General Maintenance:
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Oil changes, filter replacements, chain adjustments, lubrication points
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Periodic Checks Adjustments:
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Valve clearances, carburetor synchronization, brake adjustments, tire pressure checks
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Engine Overhaul:
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Piston removal/installation, cylinder inspection, camshaft timing, head gasket replacement
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Transmission Rebuild:
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Gearbox disassembly, component inspection, reassembly procedures
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Electrical Diagnostics:
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Testing circuits, component resistance checks, wiring harness repair
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Technical Depth
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Depth:
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In-depth technical details, repair procedures, and troubleshooting guidance suitable for DIY enthusiasts and professional mechanics
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Maintenance
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Service Intervals
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Engine Oil Change:
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Every 1,000 km (620 miles) or 6 months, whichever comes first. Initial break-in service recommended at 100 km (62 miles).
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Air Filter Cleaning:
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Every 500 km (310 miles) or 3 months, more frequently in dusty conditions.
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Spark Plug Replacement:
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Every 3,000 km (1,860 miles) or 18 months.
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Valve Clearance Adjustment:
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Every 3,000 km (1,860 miles) or 18 months.
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Fluid Specifications
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Engine Oil Capacity:
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Approx. 2.4 liters (2.5 US qt) with oil filter change.
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Brake Fluid:
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DOT 3 or DOT 4 hydraulic brake fluid
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Coolant Type:
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Yamalube Coolant or equivalent ethylene glycol-based antifreeze with corrosion inhibitors (50/50 mixture with distilled water)
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Known Issues
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Common Wear Items:
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Brake pads, tires, wheel bearings, drive belts (if applicable to specific sub-models), and carburetor jets due to fuel quality.
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Common Issues
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Carburetor Clogging:
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Can occur due to stale fuel or debris in the fuel system. Regular cleaning and stabilizer use recommended.
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Suspension Wear:
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Bushings and seals in the suspension can wear over time, especially with heavy use or off-road riding.
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