Yamaha Grizzly 350 IRS yfm35 2WD 4WD IRS Hunter 2007 2008 2009 2010 2012 Service Repair Workshop Manual

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UGS: 87953

Mots clés: 2007 2008 2009 2010 2012 2WD 4WD ATV Grizzly 350 IRS Grizzly Models IRS Hunter Powersports Yamaha yfm35

Variantes de produits

Description

The Grizzly 350 IRS, model code YFM35, represents a robust mid-size utility ATV designed for hunters, recreational riders, farmers, and general utility users. Produced for the 2007, 2008, 2009, 2010, and 2012 model years, it offers various trim levels including 2WD, 4WD, IRS, and the specialized Hunter Edition. This ATV is engineered with a reliable, air-cooled, 348cc single-cylinder engine, known for its durability and ease of maintenance. Key features include an Independent Rear Suspension (IRS) system for enhanced comfort and handling over varied terrain, a selectable 2WD/4WD drive system with a locked front differential for superior traction, and a strong towing capacity of up to 500 kg. The legacy in ATV manufacturing underscores the Grizzly's reputation for reliability and off-road capability. This comprehensive workshop manual provides essential information for the maintenance and repair of the Grizzly 350 IRS. It covers all major systems, including detailed engine overhaul procedures, transmission operation and repair, chassis and suspension components, brake systems, and the electrical system with clear wiring diagrams. The manual also details body and frame, wheels and tires, and fuel system maintenance. Step-by-step instructions are provided for routine maintenance tasks such as oil changes, filter replacements, and valve adjustments, as well as troubleshooting common issues and complete component repair. Technical specifications, torque values, and diagnostic flowcharts are included to assist owners, mechanics, and technicians in keeping their Grizzly 350 IRS in optimal working condition.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

Grizzly 350 IRS

Model Code:

YFM35

Production Years Covered:

2007, 2008, 2009, 2010, 2012

Trim Levels Covered:

2WD, 4WD, IRS, Hunter Edition

Product Type:

Service Repair Workshop Manual

👋 Introduction

Market Position

Category:

Mid-size Utility ATV

Target Audience:

Hunters, recreational riders, farmers, general utility users seeking a capable and reliable ATV.

Competitive Analysis

Key Competitors:

Honda FourTrax 350/400, Suzuki King Quad 300/350, Polaris Sportsman 330/400.

Key Features Of Vehicle

Ir S Suspension:

Independent Rear Suspension provides superior comfort and handling over rough terrain compared to solid axle designs.

Engine Type:

Reliable, air-cooled, single-cylinder engine known for its durability and ease of maintenance.

Drive System:

selectable 2WD/4WD system with a locked front differential (on 4WD models) for enhanced traction in challenging conditions.

Hunter Edition:

Often includes features like enhanced camouflage, rugged tires, and sometimes upgraded racks or winches.

📋 Manual Details

Coverage Areas

Language:

English

Manual Type:

Comprehensive Workshop Manual

Format:

PDF Download

Page Count

Estimated Page Count:

Refer to specific manual listing for exact count (typically 400+ pages)

📖 Manual Coverage

Systems Covered

Engine:

Complete engine overhaul, diagnosis, tuning, performance specifications, lubrication system, cooling system, fuel injection system (if applicable), carburetor (if applicable), ignition system, emissions control.

Transmission:

Automatic transmission operation, diagnosis, disassembly, assembly, fluid specifications, torque converter, clutch system, driveshaft, differential (front and rear).

Chassis And Suspension:

Independent Rear Suspension (IRS) system, front and rear suspension components, shock absorbers, springs, control arms, bushings, steering system, wheel bearings, hubs.

Brakes:

Hydraulic brake system diagnosis, master cylinder, brake calipers, brake pads, brake discs, brake lines, bleeding procedures, parking brake system.

Electrical System:

Battery, starting system, charging system (stator, regulator/rectifier), lighting system (headlights, taillights, brake lights, indicators), ignition switch, wiring diagrams, fuses, relays, sensors, instrumentation (speedometer, odometer, fuel gauge).

Body And Frame:

Frame inspection, body panels, fenders, racks (front and rear), seat, handlebar, controls, plastics, VIN location.

Wheels And Tires:

Tire pressure recommendations, wheel specifications, lug nut torque, tire replacement.

Fuel System:

Fuel tank, fuel pump, fuel lines, fuel filter, carburetor adjustment and cleaning (if applicable).

Procedures Included

Maintenance:

Routine checks, oil changes, filter replacements, spark plug replacement, lubrication points, valve clearance adjustment, carburetor cleaning and adjustment, brake inspection and pad replacement, chain adjustment (if applicable), coolant flush and replacement.

Troubleshooting:

Diagnostic flowcharts for common problems, symptom-based troubleshooting for engine, electrical, and mechanical issues.

Repair And Overhaul:

Step-by-step instructions for disassembling, inspecting, repairing, and reassembling all major components and systems.

Specifications And Measurements:

Detailed technical specifications, torque values, clearances, tolerances, and measurement procedures for all serviceable parts.

Wiring Diagrams:

Comprehensive and clear electrical system wiring diagrams for easy troubleshooting.

Technical Depth

Depth:

Comprehensive, covering everything from basic routine maintenance to full engine and transmission rebuilds, including detailed diagnostics and specifications.

📊 Manual Specifications

File Format

File Type:

Searchable:

Yes (typically)

Printable:

Print Quality

Image Resolution:

High-resolution, clear illustrations and diagrams

Binding Type

Binding:

N/A (Digital PDF)

Paper Type

Paper:

N/A (Digital PDF)

⚙️ Engine Specifications

Primary Engine

Engine Type:

4-stroke, SOHC, air-cooled, single-cylinder

Displacement:

348cc

Bore X Stroke:

83.0 mm x 64.5 mm

Compression Ratio:

9.2:1

Valvetrain:

SOHC, 2 valves

Performance

Horsepower:

Approx. 22 hp @ 6500 rpm (Estimate, not explicitly stated in product info)

Torque:

Approx. 20 lb-ft @ 5000 rpm (Estimate, not explicitly stated in product info)

Fuel System

Fuel Delivery:

Carburetor (Mikuni BSR33/1)

Fuel Type:

Unleaded gasoline (87 octane or higher)

Lubrication System

Oil Type:

Yamalube 4 (or equivalent) SAE 20W-40 API SG or higher

Oil Capacity:

2.00 L (2.11 US qt) without oil filter change; 2.10 L (2.22 US qt) with oil filter change

Cooling System

Cooling Method:

Air-cooled

Ignition System

Ignition:

CDI (Capacitor Discharge Ignition)

Spark Plug:

NGK CR6HSA or Champion RA8HC

Spark Plug Gap:

0.6 - 0.7 mm (0.024 - 0.028 in)

🔧 Transmission

Standard

Type:

Automatic (Yamaha Ultramatic®)

Drive System:

Shaft drive

Gear Selection:

H, L, N, R, P

Features

Engine Braking:

Provides strong engine braking for descending hills.

Fluid Specifications

Transmission Oil Type:

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

Fluid Capacity

Transmission Oil Capacity:

Approximately 0.76 L (0.80 US qt)

📐 Dimensions

Exterior

Length:

Approx. 2,035 mm (80.1 in)

Width:

Approx. 1,110 mm (43.7 in)

Height:

Approx. 1,160 mm (45.7 in)

Wheelbase:

Approx. 1,230 mm (48.4 in)

Ground Clearance:

Approx. 260 mm (10.2 in)

Weights

Dry Weight:

Approx. 260 kg (573 lbs)

Curb Weight:

Approx. 277 kg (611 lbs) (Wet)

Towing Capacity:

500 kg (1,102 lbs)

Tongue Weight:

50 kg (110 lbs)

Cargo

Front Rack Capacity:

20 kg (44 lbs)

Rear Rack Capacity:

40 kg (88 lbs)

Wheels And Tires

Front Tire Size:

AT25x8-12

Rear Tire Size:

AT25x10-12

Front Wheel Offset:

N/A (typically steel wheels)

Rear Wheel Offset:

N/A (typically steel wheels)

🛡️ Safety Features

Ratings

Rollover Protection:

N/A (ATV design inherently lacks a roll cage)

Active Features

Braking System:

Hydraulic disc brakes front and rear, wet-disc rear brake, shaft-driven engine braking.

Parking Brake:

Yes (lever operated, typically on rear caliper)

Passive Features

Operator Controls:

Handlebar steering, thumb throttle, hand-operated brake levers, gear selector.

Lighting:

Dual 30W halogen headlights, 12W LED taillight/brake light.

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic ATV instrumentation)

Driver Assistance

Selectable 4Wd:

Electronic engagement of 4WD for on-the-fly changes.

Differential Lock:

Front differential lock for maximum traction.

Connectivity

Charging Port:

Often equipped with a 12V DC accessory outlet for charging devices.

🔧 Maintenance

Service Intervals

Engine Oil Change:

Every 1,000 km (600 miles) or 6 months, whichever comes first.

Oil Filter Replacement:

Every 1,000 km (600 miles) or 6 months, concurrent with oil change.

Air Filter Cleaning:

Every 500 km (300 miles) or 3 months. Replace if damaged.

Spark Plug Inspection:

Every 1,000 km (600 miles) or 6 months. Replace as needed.

Valve Clearance Check:

Every 2,000 km (1,200 miles) or 12 months.

Fluid Specifications

Brake Fluid Type:

DOT 4

Coolant Type:

Ethylene glycol-based antifreeze (50/50 mix with distilled water)

Known Issues

Typical Wear Items:

Brake pads, brake rotors, wheel bearings, tie rod ends, bushings due to typical off-road use.

Carburetor Performance:

Carburetors can sometimes be prone to clogging or needing adjustment due to fuel quality or environmental factors.

Cv Boot Wear:

CV joint boots can be susceptible to damage from debris, leading to premature CV joint wear.

📚 Vehicle History

Brand Heritage

Yamaha Atv Legacy:

Yamaha has a long-standing reputation for producing reliable and durable ATVs, starting with the Moto-4 and Warrior lines.

Model Evolution

Grizzly Lineage:

The Grizzly 350 IRS is part of Yamaha's successful Grizzly line, known for its utility and off-road capability. It succeeded earlier 2WD and 4WD models and introduced the IRS for improved ride comfort.

Production

Manufacturing Origin:

Likely assembled in the USA (Yamaha Motor Manufacturing Corporation of America - YMMC) or Japan.

🏆 Awards & Recognition

Recognitions

Industry Reputation:

Yamaha Grizzly models are consistently recognized for their reliability, durability, and capability in the utility ATV segment.