Segment:
Mid-size utility ATV, targeted at recreational riders, hunters, and light-duty farm work. Known for its ruggedness and capability, especially with the IRS system.
Competitors:
Competes with models like Honda FourTrax 350/400, Suzuki King Quad 300/400, Polaris Sportsman 400/500, Can-Am Outlander 400.
Features:
Independent Rear Suspension (IRS) for improved ride comfort and traction, On-Command 4WD with 2WD/4WD selection, powerful 348cc engine, durable construction, high ground clearance.
Applicable Years:
2007, 2008, 2009, 2010, 2011
Estimated Pages:
High volume (typically 300-600+ pages for complete workshop manuals, specific count not provided in product info)
Type:
Complete Workshop Service Repair Manual
Language:
English (presumed based on common market distribution)
Engine:
Complete engine overhaul, diagnostics, tuning, lubrication system, cooling system, fuel delivery, ignition system, exhaust system.
Transmission:
Automatic transmission (Ultramatic), drivetrain, differential, driveshafts, CV joints, final drive.
Chassis:
Frame, suspension (Independent Rear Suspension - IRS), steering system, wheels, tires, braking system (front and rear).
Electrical:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), lighting, ignition switch, starter motor, electrical components, troubleshooting.
Bodywork:
Body panels, fenders, seat, handlebars, racks, plastics, decals.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, valve adjustments, brake service, chain adjustment (if applicable to this model), lubrication points.
Repair:
Step-by-step repair instructions for all major components, engine rebuilds, transmission overhauls, suspension repairs, electrical system troubleshooting and repair.
Troubleshooting:
Diagnostic procedures, common problems and their solutions, fault finding charts.
Specifications:
Torque specifications, clearances, fluid capacities, electrical values, dimensional data.
Depth:
Comprehensive. Covers from basic maintenance and routine checks to full engine and transmission rebuilds, advanced electrical diagnostics, and chassis component replacement. Suitable for professional technicians and advanced DIY mechanics.
Format:
PDF (Portable Document Format)
Quality:
High Resolution (expected for a professional workshop manual, enabling clear viewing of diagrams and text)
Binding:
N/A (Digital Download - PDF format)
Paper Type:
N/A (Digital Download - PDF format, printable)
Engine Type:
Four-stroke, SOHC, air-cooled
Displacement:
348cc (348 cm³)
Bore X Stroke:
83.0 mm x 64.5 mm (typical for this engine family)
Compression Ratio:
9.2:1 (typical)
Horsepower:
Approx. 20-22 HP (at crankshaft, estimated based on similar models)
Torque:
Approx. 20-22 lb-ft (at crankshaft, estimated)
Carburetor:
Mikuni BSR33/1, single carburetor (typical for this model)
Fuel Type:
Unleaded gasoline, 87 octane (minimum)
Ignition System:
TCI (Transistor Controlled Ignition)
Oil Type:
Yamalube 4 (or equivalent SAE 10W-30 API SG or higher)
Cooling Method:
Air-cooled with fan assist
Transmission Type:
Automatic (Yamaha Ultramatic) with Continuously Variable Transmission (CVT)
Drive System:
Shaft drive, selectable 2WD/4WD with Yamaha On-Command system
Gear Selection:
Forward (High/Low), Neutral, Reverse, Park
Final Drive:
Sealed O-ring chain, bevel gear
Transmission Oil Type:
Yamalube Gear Oil (or equivalent SAE 80 API GL-4 for final drive)
Length:
Approx. 76.8 inches (1950 mm)
Width:
Approx. 42.5 inches (1080 mm)
Height:
Approx. 45.3 inches (1150 mm)
Wheelbase:
Approx. 49.2 inches (1250 mm)
Ground Clearance:
Approx. 7.7 inches (195 mm)
Dry Weight:
Approx. 570 lbs (258 kg)
Fuel Capacity:
3.4 US gal (13 L), including 0.8 US gal (3 L) reserve
Front Rack Capacity:
99 lbs (45 kg)
Rear Rack Capacity:
187 lbs (85 kg)
Towing Capacity:
1100 lbs (500 kg)
Atv Safety Standards:
Compliant with ANSI/SVIA standards (as per industry norms for ATVs)
Braking System:
Hydraulic disc brakes, front and rear. Parking brake integrated into rear brake.
Drive Control:
Yamaha On-Command 4WD system with engine braking.
Lighting:
Dual 30W Krypton headlights, 8W/21W taillight/stoplight.
Ergonomics:
Comfortable seating position, ergonomic controls, wide floorboards with toe-kicks.
Engine Oil Change:
Every 100 hours or annually (refer to manual for specific intervals based on usage).
Air Filter Cleaning:
Every 20 hours or as needed based on dusty conditions.
Spark Plug Replacement:
Typically every 2,000-3,000 hours or as recommended in the manual.
Valve Clearance Check:
Every 100 hours or annually.
Engine Oil Capacity:
Approx. 2.0 US qt (1.9 L) with oil filter change.
Coolant Type:
N/A (Air-cooled engine)
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Common Issues:
CVT belt wear (common to all CVTs), occasional starter solenoid issues, carburetor jetting sensitivities to altitude/fuel quality. The manual will detail proper inspection and replacement procedures for these.
Heritage:
Yamaha has a long-standing reputation for producing reliable and high-performance powersports vehicles, including a dominant history in ATVs.
Grizzly Line:
The Grizzly line has been a cornerstone of Yamaha's ATV offerings, evolving over the years with advancements in suspension, engine technology, and features. The 350 IRS model introduced independent rear suspension to this displacement class for Yamaha.
Production Era:
The YFM350FG generation was produced for several years, with this manual covering a specific range of the early to mid-life cycle of this model.