Positioning:
The Yamaha Grizzly 350 4WD is positioned as a capable and durable mid-size ATV for utility and recreational purposes, offering reliable performance in various terrain conditions.
Competitors:
Competes with models like the Honda Rancher, Suzuki KingQuad, and Polaris Sportsman in the utility ATV segment.
Features Highlight:
Robust 4WD system, comfortable suspension, reliable single-cylinder engine, and a reputation for Yamaha's build quality and durability.
Manual Advantage:
Offers comprehensive, factory-level technical information essential for accurate maintenance and repairs, saving owners significant costs compared to dealership service.
Years Covered:
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Regions Covered:
Global (based on typical Yamaha service documentation)
Estimated Pages:
300-500 (typical for this era's factory service manuals)
Type:
Factory Workshop Manual / Service Repair Manual
Engine Mechanical:
Complete disassembly, inspection, repair, and reassembly of the engine, including cylinder head, piston, crankshaft, camshaft, valves, and timing system.
Fuel System:
Carburetor (model-specific), fuel pump, fuel lines, fuel tank, and fuel filter maintenance and repair.
Ignition System:
CDI unit, ignition coil, spark plug, and wiring troubleshooting.
Cooling System:
Radiator, fan, thermostat, water pump, and coolant flow diagnostics.
Transmission Drivetrain:
Automatic transmission (CVT), gear case, drive shafts, universal joints, and differential maintenance and repair.
4Wd System:
Operation and service of the engagement system, front differential, and drive components.
Braking System:
Front and rear disc brakes, brake calipers, master cylinder, brake lines, and bleeding procedures.
Suspension System:
Front and rear suspension components, shocks, springs, A-arms, and alignment procedures.
Steering System:
Handlebar, steering shaft, tie rods, and linkage maintenance and adjustment.
Electrical System:
Battery, charging system (stator, rectifier/regulator), lighting, starter motor, and wiring diagrams.
Frame Chassis:
Frame inspection, repair, and component mounting.
Bodywork Plastics:
Fender, body panels, seat, and rack removal, installation, and repair.
Routine Maintenance:
Oil changes, filter replacements, lubrication points, tire pressure, and general inspection procedures.
Troubleshooting:
Diagnostic charts and procedures for common and complex issues across all systems.
Repair Procedures:
Step-by-step instructions for disassembly, component replacement, and reassembly for all major systems.
Overhaul Rebuild:
Detailed guidance for complete engine, transmission, and differential rebuilds.
Adjustment Calibration:
Carburetor synchronization, valve clearance adjustment, and brake lever free play.
Wiring Diagrams:
Comprehensive electrical schematics for all model years and configurations.
Depth:
Comprehensive; suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic fluid checks to complete engine rebuilds and electrical system diagnostics.
Engine Type:
4-stroke, SOHC, 2-valve, single-cylinder
Displacement:
348cc (approximate, specific models may vary slightly)
Bore X Stroke:
Specific values would be detailed in the manual, typically around 83mm x 64.5mm.
Cooling System:
Liquid-cooled
Compression Ratio:
Typically around 9.2:1 or similar.
Horsepower:
Estimated 18-20 HP (actual figures vary by specific model year and tuning).
Torque:
Estimated 20-22 lb-ft (actual figures vary by specific model year and tuning).
Fuel Delivery:
Carbureted (e.g., Mikuni BSR33 type, specific model dependent).
Fuel Type:
Unleaded gasoline, 87 octane or higher.
Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 motorcycle/ATV oil with API SG or higher).
Oil Capacity:
Refer to manual, typically around 1.6-1.8 liters with filter change.
Type:
Automatic (Yamaha Ultramatic® CVT)
Drive System:
Shaft drive with selectable 4WD.
Gear Reduction:
High and Low range, plus Reverse.
Cvts Design:
Features an automatic centrifugal clutch and a durable V-belt drive system for smooth power delivery and engine braking.
Transmission Oil Type:
Yamalube Gear Oil (or equivalent SAE 80 hypoid gear oil).
Gear Oil Capacity:
Refer to manual, typically around 0.3-0.4 liters for the gear case.
Length:
Approx. 76.5 inches (1945mm)
Width:
Approx. 41.5 inches (1055mm)
Height:
Approx. 43.3 inches (1100mm)
Wheelbase:
Approx. 49.2 inches (1250mm)
Ground Clearance:
Approx. 10.2 inches (260mm)
Dry Weight:
Approx. 570 lbs (259 kg)
Curb Weight:
Approx. 590 lbs (268 kg)
Front Rack Capacity:
Approx. 88 lbs (40 kg)
Rear Rack Capacity:
Approx. 176 lbs (80 kg)
Towing Capacity:
Approx. 1100 lbs (500 kg)
Front Tire Size:
AT25x8-12
Rear Tire Size:
AT25x10-12
Wheel Bolt Pattern:
Refer to manual (typically 4-bolt, specific offset).
Atv Safety Standards:
Adheres to ANSI/SVIA standards for ATVs.
Engine Braking:
Effective engine braking provided by the CVT system, especially in low range.
4Wd Engagement:
On-Command® 2WD/4WD system for easy selection based on terrain.
Handlebars:
Ergonomically designed handlebars with comfortable grip and controls.
Lighting:
Dual 30W halogen headlights and a 30W halogen taillight for visibility.
Skid Plates:
Durable plastic or metal skid plates protect vital components from impact.
Infotainment Features:
Basic instrumental cluster (speedometer, odometer, fuel gauge, indicator lights). No advanced infotainment systems.
Driver Assistance Features:
None beyond the mechanical functionality of the ATV (e.g., selectable 4WD, engine braking).
Connectivity Features:
No electronic connectivity features typically found in automotive vehicles.
Engine Oil Change:
Every 1000 km or 6 months, whichever comes first. Check manual for specific details.
Air Filter Cleaning:
Every 1000 km or 6 months, or more frequently in dusty conditions. Manual specifies cleaning/replacement procedure.
Spark Plug Replacement:
Refer to manual, typically around 3000 km or as needed based on condition.
Cv Belt Inspection:
Inspect at 2000 km intervals for wear and damage. Replace as needed.
Engine Oil Viscosity:
SAE 10W-40 (Yamalube 4 or equivalent).
Brake Fluid:
DOT 3 or DOT 4, conforming to FMVSS 116.
Coolant Type:
Permanent type anti-freeze coolant (ethylene glycol based), 50/50 mix with distilled water.
Common Wear Items:
CVT belt wear, brake pad wear, suspension bushings, and potential for carburetor jetting to clog in dusty environments.
Electrical Connections:
Ensuring clean and secure electrical connections is crucial for reliable operation.
Yamaha Atv Legacy:
Yamaha has a long-standing reputation for producing reliable and innovative ATVs, dating back to the early days of the industry.
Grizzly Lineage:
The Grizzly 350 4WD is part of Yamaha's successful Grizzly line, known for its ruggedness and capability, evolving from earlier models with improvements in engine, suspension, and features.
Manufacturing Location:
Typically manufactured in Japan or at Yamaha's overseas facilities.
Design Philosophy:
Emphasis on durability, user-friendliness, and go-anywhere capability for work and play.
