Yamaha Grizzly 350 IRS 2007 ATV Service Manual

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Type: Atv

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Sku: 88890

Tags: 2007 ATV Grizzly 350 IRS Grizzly Models Powersports Yamaha

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Description

The 2007 Grizzly 350 IRS is a capable all-terrain vehicle renowned for its robust engineering and comfortable Independent Rear Suspension (IRS) system, which enhances ride quality and handling across varied terrain. This mid-displacement utility ATV is powered by a reliable 349cc liquid-cooled engine paired with an automatic transmission, offering selectable 2WD/4WD and a durable shaft drive. Designed for both recreational trail riding and demanding utility tasks, the Grizzly 350 IRS features a sturdy chassis, ample rack capacity, and the proven reliability characteristic of off-road legacy. This comprehensive service manual provides detailed guidance for the maintenance, repair, and troubleshooting of the 2007 Grizzly 350 IRS. It covers all major systems, including the engine, transmission, drivetrain, suspension, brakes, and electrical components, with step-by-step instructions for disassembly, assembly, and routine maintenance. The manual includes essential technical specifications, torque values, wiring diagrams, and diagnostic procedures to assist owners, technicians, and mechanics in keeping the ATV in optimal condition and resolving any potential issues efficiently.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

Grizzly 350 IRS

Year:

Vehicle Type:

All-Terrain Vehicle (ATV)

Product Name:

Yamaha Grizzly 350 IRS 2007 ATV Service Manual PDF Download

👋 Introduction

Market Position

Positioning:

The Yamaha Grizzly 350 IRS (2007) was positioned as a mid-range, reliable utility ATV, known for its comfortable Independent Rear Suspension and robust build, suitable for recreational riding and light to moderate farm work.

Competitive Analysis

Competitors:

Competed with models like the Honda Rancher 400, Suzuki King Quad 400, and Polaris Sportsman 400/500.

Key Features

Features:

Independent Rear Suspension (IRS) for improved ride comfort and handling, robust 349cc engine, automatic transmission (CVT), shaft drive, durable chassis.

Engine Size Class:

Represents Yamaha's popular mid-displacement utility ATV segment.

📋 Manual Details

Coverage Areas

Primary Coverage:

Comprehensive repair, maintenance, and troubleshooting for the 2007 Yamaha Grizzly 350 IRS ATV.

Page Count

Estimated Page Count:

300-400 pages (typical for this type of manual)

Manual Type

Type:

Service Manual / Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine:

Engine specifications, disassembly, assembly, troubleshooting, lubrication, cooling system.

Transmission:

Automatic transmission (CVT) operation, maintenance, repair, and troubleshooting.

Drivetrain:

Front and rear differential, drive shafts, CV joints, 4WD system (if applicable), maintenance and repair.

Suspension:

Independent Rear Suspension (IRS) system, front suspension, shock absorbers, bushings, alignment, repair procedures.

Brakes:

Front and rear brake systems, hydraulic lines, calipers, rotors, brake fluid specifications, bleeding procedures, troubleshooting.

Electrical System:

Ignition system, starting system, charging system (stator, rectifier/regulator), lighting, battery, wiring diagrams, troubleshooting.

Fuel System:

Carburetor specifications, cleaning, adjustment, fuel pump, fuel lines, fuel filter maintenance.

Cooling System:

Radiator, coolant specifications, thermostat, fan operation, troubleshooting.

Frame And Body:

Chassis, body panels, seating, racks, decals, plastic components, maintenance and repair.

Steering:

Steering column, tie rods, ball joints, troubleshooting steering issues.

Procedures Included

Maintenance:

Regular maintenance checks, lubrication points, filter replacement, fluid changes, valve adjustments.

Troubleshooting:

Diagnostic charts for common problems, symptom-based troubleshooting guides.

Disassembly And Assembly:

Detailed step-by-step instructions for component removal and reinstallation.

Torque Specifications:

Accurate torque values for all critical fasteners.

Special Tools:

Identification of necessary special tools for specific procedures.

Wiring Diagrams:

Includes detailed electrical system wiring diagrams for troubleshooting and repair.

Wheel Alignment:

Instructions for checking and adjusting front wheel alignment.

Carburetor Rebuild:

Step-by-step guidance for carburetor disassembly, cleaning, and reassembly.

Differential Service:

Procedures for checking and changing differential oil.

Suspension Component Replacement:

Guidance on replacing ball joints, bushings, and shock absorbers.

Technical Depth

Depth:

Comprehensive, from basic maintenance to complete engine and transmission rebuilds.

Diagnostics:

Includes diagnostic flowcharts for common engine, electrical, and drivetrain issues.

📊 Manual Specifications

File Format

Format:

Searchability:

Likely includes searchable text for efficient information retrieval.

Print Quality

Quality:

High-resolution scans with clear, legible text and detailed illustrations.

Binding Type

Binding:

Not Applicable (Digital Download)

Paper Type

Paper Type:

Not Applicable (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Four-stroke, SOHC, single-cylinder

Displacement:

349cc

Bore X Stroke:

83 mm x 64.5 mm (estimated)

Cooling System:

Liquid-cooled

Compression Ratio:

9.2:1 (estimated)

Valve Actuation:

SOHC (Single Overhead Camshaft)

Performance

Horsepower:

Approx. 20-23 HP (estimated)

Torque:

Approx. 20-22 lb-ft (estimated)

Fuel System

Fuel Delivery:

Mikuni BSR33 carburetor

Fuel Type:

Unleaded gasoline, 87 octane

🔧 Transmission

Standard

Transmission Type:

Yamaha Constant Velocity (YCC-T) automatic transmission with Ultramatic® system.

Drive Modes:

H (High), L (Low), N (Neutral), R (Reverse), P (Park)

Drive Type:

Shaft Drive

Features

Drive System:

Shaft drive to front and rear wheels.

Differential:

Sealed front and rear differentials, with on-command 4WD engagement.

📐 Dimensions

Exterior

Overall Length:

Approx. 76.4 inches (1940 mm)

Overall Width:

Approx. 42.1 inches (1070 mm)

Overall Height:

Approx. 45.3 inches (1150 mm)

Wheelbase:

Approx. 49.2 inches (1250 mm)

Ground Clearance:

Approx. 11.7 inches (298 mm)

Seat Height:

Approx. 33.7 inches (855 mm)

Weights

Dry Weight:

Approx. 514 lbs (233 kg)

Towing Capacity:

Approx. 1102 lbs (500 kg)

Rack Capacity Front:

Approx. 88 lbs (40 kg)

Rack Capacity Rear:

Approx. 176 lbs (80 kg)

🛡️ Safety Features

Ratings

Certification:

EPA, CARB (where applicable)

Active Features

Braking:

Hydraulic disc brakes front and rear, sealed drum brake rear (in some configurations/regions).

4Wd Engagement:

On-Command® 2WD/4WD system with differential lock.

Passive Features

Lighting:

Dual 30W Krypton headlights, 8W taillight.

Guarding:

Front brush guard, floorboard with heel guards.

💡 Technology Features

Infotainment

Features:

Basic instrumentation: speedometer, odometer, trip meter, neutral indicator, reverse indicator, 4WD indicator.

Driver Assistance

Features:

On-Command® 4WD system for selectable 2WD or 4WD operation.

Connectivity

Features:

None (basic utility ATV).

🔧 Maintenance

Service Intervals

Initial Break In:

First service typically at 100 miles or 1 month, focusing on engine oil change, filter inspection, and bolt torque checks.

Engine Oil Change:

Every 1000 miles or 6 months, whichever comes first.

Air Filter:

Inspect every 500 miles or 3 months; clean or replace as needed.

Spark Plug:

Replace every 3000 miles or 24 months.

Valve Clearance:

Inspect and adjust every 2000 miles or 12 months.

Fluid Specifications

Engine Oil:

Yamalube 4 (10W-40) or API SG, SEMI-SYNTHETIC motor oil

Engine Oil Capacity:

2.55 US qt (2.4 L) with oil filter change

Coolant:

Yamaha Genuine Super Coolant (50/50 mix of antifreeze and distilled water)

Brake Fluid:

DOT 3 or DOT 4 hydraulic brake fluid

Known Issues

Common Problems:

Potential for carburetor gumming if not properly stored/maintained, wear on CV boots, potential for starter motor issues in very high-mileage units, normal wear and tear on suspension components.

📚 Vehicle History

Brand Heritage

Heritage:

Yamaha has a long-standing reputation for building reliable and durable ATVs, with the Grizzly line being a cornerstone of their off-road offerings, emphasizing performance and comfort.

Model Evolution

Evolution:

The Grizzly 350 IRS succeeded earlier Grizzly models, incorporating advancements like the independent rear suspension for enhanced ride quality over rough terrain, solidifying Yamaha's commitment to rider comfort.

Production

Production Period:

The 350 IRS model was produced for several years, with 2007 being a significant model year within that range.