Segment:
Mid-size utility ATV, positioned for recreational and light-duty work use.
Target Audience:
Enthusiasts, farmers, hunters, and recreational riders seeking a capable and reliable ATV.
Key Competitors:
Honda FourTrax/Rancher, Polaris Sportsman, Kawasaki Brute Force, Suzuki KingQuad, Arctic Cat Prowler.
Engine Size:
349cc (approximate)
Drivetrain:
Selectable 4WD with 2WD option
Suspension:
Independent front suspension, swingarm rear suspension (typically).
Transmission:
Automatic (CVT) with high/low range and reverse.
Applicable Years:
2003, 2004, 2005, 2006, 2007, 2008
Drivetrain Variants:
2WD and 4WD
Regions Covered:
Global (assuming standard US/international specifications unless otherwise noted in manual)
Estimated Page Count:
Exact page count not specified, but described as comprehensive.
Type:
Factory Service Manual / Repair Manual
Purpose:
Factory service technicians and experienced DIY mechanics
Powertrain:
Engine, transmission, drivetrain (2WD/4WD system), cooling system, fuel system, exhaust system.
Chassis:
Suspension (front and rear), steering system, wheels, tires, brakes (front and rear), frame.
Electrical:
Ignition system, lighting, starting system, charging system, battery, wiring diagrams, diagnostic codes.
Body And Frame:
Body panels, racks, seats, controls, fenders, guards.
Maintenance:
Scheduled maintenance intervals, lubrication, filter changes, fluid checks and changes, adjustments.
Diagnostics:
Troubleshooting guides for common and uncommon issues, symptom-based diagnosis.
Repair:
Component removal, disassembly, inspection, repair, reassembly, and installation.
Overhaul:
Complete engine overhaul, transmission rebuild, suspension component rebuild.
Adjustments:
Carburetor tuning, valve adjustments, brake adjustments, clutch adjustments (if applicable).
Depth:
Comprehensive, covering basic maintenance to full engine and component rebuilds.
Special Tools:
Identifies and recommends specific special tools required for certain procedures.
Illustrations:
Includes illustrations, diagrams, and exploded views for clarity.
Engine Type:
Four-stroke, SOHC, air-cooled, single-cylinder
Displacement:
Approximately 349cc
Bore X Stroke:
Refer to manual for precise specifications.
Horsepower:
Estimated 20-25 HP (exact figures vary by specific model year and tuning).
Torque:
Refer to manual for specific torque figures.
Fuel Delivery:
Carburetor (likely Mikuni BS34 or similar).
Fuel Type:
Unleaded gasoline (Octane rating typically 87).
Fuel Tank Capacity:
Refer to manual for specific capacity.
Type:
Automatic Continuously Variable Transmission (CVT)
Type:
N/A (CVT is standard)
Gear Selection:
High, Low, Neutral, Reverse.
Drive System:
Shaft drive
Differential Lock:
Front differential lock (on 4WD models).
Length:
Refer to manual for exact specifications.
Width:
Refer to manual for exact specifications.
Height:
Refer to manual for exact specifications.
Front Rack Capacity:
Refer to manual for specific weight limits.
Rear Rack Capacity:
Refer to manual for specific weight limits.
Dry Weight:
Approximately 500-550 lbs (varies by 2WD/4WD).
Curb Weight:
Refer to manual for exact specifications.
Atv Safety Standards:
Adheres to industry standards for ATV safety.
Braking System:
Hydraulic disc brakes front and rear.
Engine Braking:
Provides engine braking through CVT system.
Lighting:
Dual 30W headlights, 15W taillight/stoplight.
Rollover Protection:
N/A (Standard ATV design).
System:
Basic analog instrumentation (speedometer, odometer, fuel gauge, indicator lights).
Features:
No advanced infotainment features such as touchscreens or audio systems.
Features:
No electronic driver assistance systems beyond standard operational controls.
Features:
No wireless connectivity features.
Oil Change Engine:
Refer to manual; typically every 100 hours or 1,000 miles, or annually.
Air Filter Cleaning:
Refer to manual; recommended frequently, especially in dusty conditions.
Spark Plug Replacement:
Refer to manual; typically every 5,000-7,500 miles or as needed.
Valve Adjustment:
Refer to manual; typically around 2,500-5,000 miles or as needed for performance.
Engine Oil Type:
Yamalube 4 (or equivalent JASO MA certified 10W-40).
Engine Oil Capacity:
Refer to manual for exact capacity (approx. 2 quarts).
Coolant Type:
Ethylene glycol-based antifreeze (typically 50/50 mix with distilled water).
Brake Fluid Type:
DOT 3 or DOT 4.
Gear Oil Type:
Yamaha Gear Oil (or equivalent SAE 80W-90 hypoid gear oil).
Common Problems:
Carburetor gumming/clogging, potential starter clutch issues, front differential seal leaks (in some units), some electrical connector corrosion.
Wear And Tear:
CVT belt wear, suspension bushings, brake pads.
Manufacturer:
Yamaha Motor Corporation.
Reputation:
Yamaha is known for its reliable and durable engines and off-road vehicles.
Predecessor:
Likely evolved from earlier Grizzly models, though the 350 designation implies a specific engine size introduction.
Positioning:
The Grizzly 350 was positioned as a capable and versatile mid-size utility ATV within Yamaha's lineup.
Production Period:
2003-2008
Manufacturing Locations:
Primarily manufactured in Japan and/or USA.
Industry Awards:
Specific industry awards for this model are not readily available, but Yamaha ATVs are generally well-regarded for reliability.
Consumer Ratings:
User reviews often praise the Grizzly 350 for its reliability, off-road capability, and ease of use.
Emission Standards:
Meets applicable emission standards for its model year.
