Model Variant:
350cc 2-Wheel Drive
Model Years Covered:
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Engine Type Code:
Typically designated by engine displacement, e.g., YFM350
Segment:
Entry-to-mid level utility ATV.
Target Audience:
Recreational riders, farmers, hunters, and those needing a reliable 2WD utility ATV.
Key Competitors:
Honda FourTrax, Suzuki King Quad, Polaris Sportsman (lower displacement models).
Vehicle Selling Points:
Reliability, ease of use, affordability, Yamaha's durable engine technology, lightweight handling for a utility ATV.
Manual Selling Points:
Completeness, factory-level detail, ease of navigation via PDF, ability to perform all maintenance and repair tasks.
General Coverage:
Comprehensive mechanical and electrical repair and maintenance for the Yamaha Grizzly 350 2WD.
Specific Systems Covered:
Engine, fuel system, drivetrain, suspension, steering, braking, electrical system, bodywork, troubleshooting.
Estimated Page Count:
Greater than 300 pages (typical for comprehensive service manuals)
Manual Type:
Service and Repair Manual
Engine System:
Detailed information on engine disassembly, reassembly, internal components, valve adjustments, cooling system, lubrication.
Fuel System:
Carburetor tuning and overhaul, fuel pump operation, fuel filter replacement, fuel tank maintenance.
Drivetrain System:
Clutch operation, primary drive, secondary drive, gearbox maintenance, differential service (if applicable to 2WD).
Suspension System:
Front and rear suspension component inspection, lubrication, and replacement; shock absorber adjustment and service.
Steering System:
Steering linkage, tie rod ends, handlebar assembly, and steering column maintenance and adjustment.
Braking System:
Front and rear brake pad replacement, caliper service, brake fluid bleeding and replacement, brake lever and pedal adjustments.
Electrical System:
Wiring diagrams, battery maintenance, starter system, ignition system, lighting, charging system (stator/regulator).
Bodywork Chassis:
Fender and body panel removal/installation, seat maintenance, rack systems.
Maintenance Procedures:
Oil changes, filter replacements (oil, air, fuel), spark plug replacement, chain adjustment, lubrication points.
Troubleshooting Guides:
Step-by-step diagnostic procedures for common performance issues, starting problems, and electrical faults.
Repair Procedures:
Complete overhaul instructions for engine, transmission, suspension, and braking components.
Assembly Disassembly:
Detailed instructions for the removal and installation of all major and minor vehicle components.
Diagnostic Capabilities:
Advanced diagnostic information, including trouble codes, symptom analysis, and testing procedures.
Rebuild Specifications:
Precise specifications for component tolerances, torque values, and critical measurements for engine and drivetrain rebuilds.
Factory Standards:
Mimics the detail and accuracy of factory workshop manuals, providing factory-level repair information.
Engine Manufacturer:
Yamaha
Engine Type:
Four-stroke, SOHC, Air-cooled
Bore X Stroke:
83.0 mm x 64.5 mm
Horsepower Estimate:
Approx. 21-23 hp (at peak RPM, varies slightly by year/tune)
Torque Estimate:
Approx. 20-22 lb-ft (at peak RPM, varies slightly by year/tune)
Fuel Delivery:
Carburetor (Mikuni BSR33)
Fuel Type:
Unleaded gasoline, 87 octane minimum
Fuel Tank Capacity:
3.2 gal (12.0 L) including 0.8 gal (3.0 L) reserve
Oil Type Specification:
Yamalube 4 (or equivalent API SG, SAE 20W-40 or 10W-30 recommended based on temperature)
Oil Capacity With Filter:
Approx. 1.80 US qt (1.7 L)
Transmission Type:
Automatic (Yamaha's Ultramatic® system)
Drive System:
2-Wheel Drive (2WD)
Gearbox Type:
Constantly Variable Transmission (CVT) with High/Low range and Reverse.
Transmission Oil Type:
Yamalube 4 (or equivalent API SG, SAE 10W-30 or 20W-40 recommended)
Transmission Oil Capacity:
Approx. 0.63 US qt (0.6 L)
Length:
Approx. 76.1 inches (1932 mm)
Width:
Approx. 42.5 inches (1080 mm)
Height:
Approx. 45.3 inches (1150 mm)
Wheelbase:
Approx. 49.2 inches (1250 mm)
Dry Weight:
Approx. 489 lbs (222 kg)
Wet Weight:
Approx. 516 lbs (234 kg)
Ground Clearance:
Approx. 10.1 inches (256 mm)
Front Rack Capacity:
Approx. 88 lbs (40 kg)
Rear Rack Capacity:
Approx. 176 lbs (80 kg)
Towing Capacity:
Approx. 1,036 lbs (470 kg)
Payload Capacity:
Approx. 271 lbs (123 kg) (rider + cargo)
Safety Standards:
Designed to meet ANSI standards for recreational ATVs.
Braking System Type:
Hydraulic disc brakes front and rear.
Parking Brake:
Mechanical drum brake on drive shaft.
Handlebars:
Wide handlebars with thumb throttle for control.
Footwells:
Integrated floorboards with heel guards for rider protection.
Lighting:
Dual 30W Krypton headlights and 8W Krypton taillight.
Infotainment System:
Basic functionality: simple LCD display for odometer, trip meter, clock, gear indicator.
Adas Features:
N/A (Utility ATV)
Connectivity Options:
N/A (Utility ATV)
Ignition System:
CDI (Capacitor Discharge Ignition)
Starting System:
Electric start with manual backup recoil starter.
Engine Oil Change Interval:
Every 100 hours or 6 months, whichever comes first.
Air Filter Cleaning:
Clean every 20 hours or monthly; replace as needed.
Spark Plug Check:
Check and clean every 100 hours or 6 months; replace as needed.
Valve Clearance Check:
Check every 100 hours or 6 months.
Brake Fluid Flush:
Recommended every 2 years or as needed based on condition.
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for specific recommendation)
Coolant Type:
Not applicable (Air-cooled engine)
Common Wear Items:
CVT belt wear, suspension bushings, brake pads, steering components.
Potential Performance Issues:
Carburetor jetting sensitivity to altitude/modification, occasional hard starting in cold weather.
Electrical Troubles:
Less common, but battery terminals and grounds should be kept clean.
Brand Focus:
Yamaha Motor Corporation, known for its precision engineering, reliable engines, and motorsports legacy.
Grizzly Lineage:
The Grizzly name signifies Yamaha's commitment to capable and durable off-road vehicles. The 350 2WD represents a more accessible, maneuverable option within the Grizzly family, focusing on essential utility and reliability.
Predecessor Models:
Successor to earlier 2WD utility ATVs, building on proven engine and chassis designs.
Manufacturing Location:
Primarily manufactured in Japan and/or USA.
Brand Awards:
Yamaha consistently receives awards for reliability, engine performance, and innovation across its ATV line.
Model Specific Accolades:
While specific awards for the 350 2WD might be less publicized than higher-end models, its design and reliability have earned it a reputation as a workhorse and dependable recreational vehicle.
Certification Standards:
Meets relevant industry safety and emissions standards for its class.
