🏷️ Basic Information

Make:

Yamaha

Model:

Grizzly 350 4WD

Model Variant:

ATV

Engine Code:

Likely 348cc SOHC 4-stroke, air-cooled (specific code not provided in product info)

Chassis Code:

Likely YFM350FG (specific to 4WD variant, needs verification within manual)

👋 Introduction

Market Position:

Mid-range utility ATV, known for reliability and capability in recreational and light utility applications.

Competitive Analysis:

Competes with models like the Honda FourTrax 350/420, Suzuki King Quad 300/400, and Polaris Sportsman 400/500. Often praised for its robust drivetrain and ease of maintenance.

Key Features:

Selectable 2WD/4WD, automatic transmission (CVT), comfortable independent front suspension, reliable air-cooled engine, durable chassis.

📋 Manual Details

Model Years Covered:

2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

Page Count:

Hundreds of pages (specific number not provided in product info, typical for comprehensive manuals)

Manual Type:

Service Repair Manual

Language:

English (implied by typical product offerings for this market)

Format:

PDF (Digital Download)

📖 Manual Coverage

Engine Systems:

Engine overhaul, cylinder head, cylinder, piston, crankshaft, camshaft, valve system, lubrication, cooling system, fuel system (carburetor, fuel pump), exhaust system, ignition system (CDI, spark plug), starting system (recoil, electric start).

Transmission Drivetrain:

Automatic transmission (CVT), drive shafts, differentials (front and rear), final drive, four-wheel drive engagement system, hubs, clutches.

Brake Systems:

Front and rear brake systems (hydraulic disc brakes), brake levers, calipers, master cylinders, brake lines, parking brake.

Suspension Steering:

Front and rear suspension (independent front, swingarm rear), shock absorbers, springs, control arms, steering mechanism, tie rods, steering wheel, steering column.

Electrical Systems:

Wiring diagrams, battery, charging system (stator, rectifier/regulator), lighting (headlights, taillights, indicators), instrumentation, switches, fuses, relays, starter motor, solenoid.

Body Chassis:

Frame, body panels, fenders, seats, racks, footwells, handlebars, plastics, graphics.

Maintenance Procedures:

Regular maintenance checks, oil changes, filter replacements, lubrication points, valve clearance adjustments, carburetor cleaning and adjustment, chain tensioning (if applicable, though CVT likely), battery maintenance, tire pressure checks.

Repair Procedures:

Complete engine rebuild, transmission overhaul, suspension component replacement, brake caliper rebuild, electrical component diagnosis and repair, steering system repair, body panel repair and replacement.

Troubleshooting Diagnostics:

Diagnostic charts for common problems, symptom-based troubleshooting, electrical system fault finding, engine performance issues, driveability problems.

Special Tools Techniques:

Identification and usage of specialized tools required for specific repairs, torque specifications for critical fasteners, proper assembly techniques.

Technical Depth:

Comprehensive (from basic maintenance to full engine and transmission rebuilds).

📊 Manual Specifications

File Format:

PDF

Print Quality:

High Resolution (implied for clear diagrams and text)

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

348cc, Air-cooled, 4-stroke, SOHC, 2-valve

Bore X Stroke:

Specific data not in product info, typically around 83mm x 64.5mm for this displacement.

Compression Ratio:

Specific data not in product info, likely around 9.2:1 to 10.0:1.

Fuel Induction:

Mikuni BSR33 carburetor (typical for this era and model)

Ignition System:

Digital CDI (Capacitor Discharge Ignition)

Horsepower:

Approx. 19-20 HP (estimated, exact figures vary by year and tune)

Torque:

Approx. 20-22 lb-ft (estimated, exact figures vary by year and tune)

Fuel Type:

Unleaded gasoline, minimum 87 octane

Engine Oil Capacity:

Approx. 1.7 L (0.18 US qt) (verify in manual for exact spec)

Engine Oil Type:

Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher (verify in manual)

🔧 Transmission

Transmission Type:

Automatic (CVT - Constant Velocity Transmission) with High/Low range and Reverse.

Drive System:

Shaft Drive with selectable 2WD/4WD.

Engagement System:

Push-button on-the-fly 2WD/4WD engagement.

Transmission Oil Type:

Yamaha ATF (Automatic Transmission Fluid) or equivalent (verify in manual for specific type and capacity).

📐 Dimensions

Overall Length:

Approx. 76.8 in (1950 mm) (verify in manual)

Overall Width:

Approx. 42.1 in (1070 mm) (verify in manual)

Overall Height:

Approx. 45.3 in (1150 mm) (verify in manual)

Dry Weight:

Approx. 591 lbs (268 kg) (verify in manual)

Ground Clearance:

Approx. 10.5 in (267 mm) (verify in manual)

Towing Capacity:

Approx. 1124 lbs (510 kg) (verify in manual)

Συνολικο Gvw:

N/A (Vehicle Gross Weight Rating not typically specified for ATVs in the same way as trucks/cars, but GVWR would be curb weight + max payload/towing).

Front Rack Capacity:

Approx. 99 lbs (45 kg) (verify in manual)

Rear Rack Capacity:

Approx. 187 lbs (85 kg) (verify in manual)

🛡️ Safety Features

Safety Ratings:

ATVs do not undergo formal crash test ratings like passenger vehicles. Safety features are focused on design and operation.

Active Safety Features:

Hydraulic disc brakes, stable chassis design, selectable 4WD for improved traction, thumb throttle with safety lever.

Passive Safety Features:

Ergonomic handlebar design, footwells with integrated guards, sturdy frame construction.

💡 Technology Features

Infotainment System:

N/A (Basic utility ATV, no infotainment system).

Driver Assistance Features:

N/A (No electronic driver assistance features like ABS, traction control in this model).

Connectivity Features:

N/A (No connectivity features).

🔧 Maintenance

Engine Oil Change Interval:

Every 100 hours or 6 months, whichever comes first (verify in manual).

Air Filter Cleaning Interval:

Every 50 hours or as needed based on operating conditions (verify in manual).

Spark Plug Replacement Interval:

Every 200 hours or 12 months (verify in manual).

Valve Clearance Check Interval:

Every 200 hours or 12 months (verify in manual).

Brake Fluid Type:

DOT 3 or DOT 4 Brake Fluid (verify in manual).

Coolant Type:

N/A (Engine is air-cooled).

Common Issues:

While generally reliable, potential issues can include carburetor clogging if fuel is not stabilized during storage, wear on CVT belt at higher mileage, and occasional electrical connector corrosion in wet environments.

Storage Recommendations:

Stabilize fuel, change oil and filter, clean air filter, charge battery, store in a dry location. Manual will detail specific procedures.

📚 Vehicle History

Brand Heritage:

Yamaha has a long and distinguished history in motorsports and powersports, dating back to the early 20th century. Their ATV division is renowned for innovation and durability.

Model Evolution:

The Grizzly 350 4WD is an evolution of Yamaha's popular utility ATV line, building on the success of earlier models like the Moto-4 and Big Bear. This generation refined the chassis, suspension, and driveline for improved performance and comfort.

Production Period:

The Grizzly 350 platform was produced for several years within the 2003-2010 range, with minor updates across model years.

Manufacturing Location:

Primarily manufactured in Japan by Yamaha Motor Corporation.

🏆 Awards & Recognition

Awards And Recognitions:

Specific industry awards for this exact model/year are not readily publicized, but Yamaha ATVs consistently receive positive reviews for durability and performance in their class.