Target User:
Owners of Yamaha Grizzly 350 4WD ATVs (2003-2010) seeking to perform maintenance, repairs, and diagnostics themselves, saving on dealership costs.
Value Proposition:
Provides professional-grade repair information at a fraction of the cost of dealership labor, empowering owners with the knowledge to maintain their ATV effectively.
Device Compatibility:
Compatible with all PCs, MACs, Tablets, and Smartphones for convenient access.
Engine:
Complete engine overhaul, diagnostics, tuning, disassembly, assembly, cooling system, lubrication system, fuel system (carburetor specifics), ignition system, exhaust system.
Transmission:
Automatic transmission (Ultramatic), torque converter, clutch, gear shifting mechanisms, lubrication, diagnostics, repair.
Drivetrain:
4WD system (On-Command), front differential, rear differential, drive shafts, CV joints, wheel bearings, lubrication, maintenance, troubleshooting.
Brakes:
Front and rear hydraulic disc brakes, master cylinder, brake calipers, brake lines, brake fluid specifications, bleeding procedures, adjustment, wear inspection.
Suspension:
Independent front suspension (IFS), rear swingarm suspension, shock absorbers, springs, bushings, lubrication, alignment, adjustments, repair.
Electrical System:
Ignition system, starting system (starter motor, solenoid), charging system (stator, regulator/rectifier), battery, lighting (headlights, taillight, brake light), wiring diagrams, fuses, troubleshooting.
Chassis Bodywork:
Frame, body panels, fenders, seat, handlebars, racks, lubrication points, periodic checks, minor body repair guidance.
Maintenance:
Regular scheduled maintenance (oil changes, filter replacements, lubrication, spark plug checks, air filter cleaning/replacement, brake checks, tire pressure). Specific service intervals provided.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault finding charts, symptom-based troubleshooting.
Repair Rebuild:
Detailed step-by-step instructions for component disassembly, inspection, repair, and reassembly for virtually all mechanical and electrical systems.
Technical Specifications:
Torque values for all fasteners, fluid capacities, fluid types and specifications, electrical component specifications, engine timing, valve clearances, and more.
Depth Of Coverage:
In-depth, professional-level coverage suitable for both experienced mechanics and motivated DIY enthusiasts. Includes detailed diagrams, exploded views, and diagnostic flowcharts.
Engine Type:
4-stroke, SOHC, 2-valve, Air-Cooled
Displacement:
348cc (348 cubic centimeters)
Bore X Stroke:
83 mm x 64.5 mm (approximate, consult manual for exact factory specs)
Compression Ratio:
9.2:1 (approximate, consult manual for exact factory specs)
Horsepower:
Approx. 20-22 HP (typical for this class and era, consult manual for precise figures)
Torque:
Consult manual for specific torque output figures.
Carburetor Type:
Mikuni BSR33 (typical, specific variant may differ, consult manual)
Fuel Type:
Unleaded gasoline (minimum 87 octane recommended, consult manual)
Fuel Tank Capacity:
3.8 L (1.0 US gal) (approximate, consult manual)
Ignition Type:
CDI (Capacitor Discharge Ignition)
Oil Type:
Yamalube 4 (or equivalent SAE 10W-30 API SG or higher, consult manual for precise specification)
Oil Capacity:
Approx. 1.8 L (1.9 US qt) with oil filter change (consult manual for exact figure)
Cooling Method:
Air-cooled
Overall Length:
Approx. 1,989 mm (78.3 in)
Overall Width:
Approx. 1,120 mm (44.1 in)
Overall Height:
Approx. 1,149 mm (45.2 in)
Dry Weight:
Approx. 250 kg (551 lbs)
Curb Weight:
Consult manual for exact curb weight.
Max Towing Capacity:
Consult manual (typically limited for this class)
Max Rack Capacity Front:
Approx. 45 kg (99 lbs)
Max Rack Capacity Rear:
Approx. 85 kg (187 lbs)
Front Tire Size:
AT25x8-12 (e.g., 25 inches diameter, 8 inches width, 12 inch rim)
Rear Tire Size:
AT25x10-12 (e.g., 25 inches diameter, 10 inches width, 12 inch rim)
Wheelbase:
Approx. 1,232 mm (48.5 in)
Ground Clearance:
Approx. 225 mm (8.9 in) at center, consult manual for specific measurement point.
Atv Safety Considerations:
ATVs are not toys. Always wear a helmet and appropriate protective gear. Operate responsibly and adhere to local regulations. Consult owner's manual for detailed safety instructions.
Braking System:
Hydraulic disc brakes front and rear for reliable stopping power.
4Wd System:
On-Command® 4WD system for enhanced traction in challenging terrain.
Chassis Design:
Steel frame construction provides a robust and stable platform.
Lighting:
Dual 30W Krypton headlights and 8W/21W dual-filament taillight/brake light for visibility.
Engine Oil Change:
Every 1,000 km (600 mi) or 6 months, whichever comes first. Consult manual for specific interval based on usage conditions.
Air Filter Cleaning:
Every 6 months or 300 km (180 mi). More frequent cleaning if operated in dusty/wet conditions.
Spark Plug Check:
Every 6 months or 300 km (180 mi). Replace as needed based on condition.
Transmission Oil Check:
Inspect every 6 months or 300 km (180 mi). Change as per manual recommendations.
Engine Oil Specification:
Yamalube 4 (or SAE 10W-30 API SG or higher)
Brake Fluid Specification:
DOT 3 or DOT 4 brake fluid
Gear Oil Specification:
Refer to manual for specific gear oil viscosity and API classification for front/rear differentials and drive shafts.
Common Wear Items:
Brake pads, wheel bearings, bushings (suspension/swingarm), drive belts (Ultramatic transmission), spark plugs, air filters.
Potential Maintenance Points:
Regular lubrication of suspension components and linkages is crucial for longevity. Carburetor cleaning and adjustment may be required over time due to fuel quality variations.
