2001 Yamaha YFM660FP Grizzly ATV Service Repair Manual download.

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Type: Atv

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Sku: 117877

Tags: 2001 ATV Grizzly Models Powersports Yamaha YFM660FP Grizzly

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Description

This manual provides comprehensive information for the 2001 Yamaha YFM660FP Grizzly, a robust and high-performance All-Terrain Vehicle (ATV) designed for demanding off-road use. Known for its powerful 660cc liquid-cooled, 4-stroke engine with electronic fuel injection, and a reliable shaft-driven 4WD system, the Grizzly offers exceptional capability in various terrains. The heritage in ATV manufacturing is evident in the model's engineering quality and durability, making it a trusted choice for recreational and utility purposes. This manual serves as an essential resource for owners and technicians looking to maintain and repair this capable machine. This Service Repair Manual covers a wide array of topics essential for the upkeep and repair of your 2001 Yamaha YFM660FP Grizzly. Detailed sections include general information, periodic maintenance schedules, fuel system diagnostics and repair, engine top-end procedures, clutch and lubrication system maintenance, transmission servicing, and comprehensive coverage of the electrical system, suspension, steering, brakes, and frame. With over 400 pages of content, featuring step-by-step instructions, detailed illustrations, exploded diagrams, and critical safety information, this manual empowers users to perform everything from routine checks to complete overhauls, ensuring optimal performance and longevity of their ATV.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

YFM660FP Grizzly

Year:

Vehicle Type:

ATV (All-Terrain Vehicle)

Engine Code Designator:

YFM660FP

👋 Introduction

Market Position

Market Position:

The Yamaha YFM660FP Grizzly was a high-performance, utility-focused ATV renowned for its robust engine and capable off-road performance. This manual targets owners and technicians seeking to maintain and repair this model.

Key Features

Key Features Of Manual:

Comprehensive coverage, detailed diagnostics, step-by-step repair guidance, rich illustration library, and critical safety information for the 2001 Yamaha YFM660FP Grizzly.

Value Proposition

Value For Buyers:

Empowers owners to perform essential maintenance and complex repairs themselves, saving on labor costs and ensuring optimal performance and longevity of their ATV.

📋 Manual Details

Coverage

Coverage Areas:

General Information, Periodic Maintenance, Fuel System (DFI), Cooling System, Engine Top End, Clutch, Engine Lubrication System, Engine Removal/Installation, Crankshaft/Transmission, Wheels/Tyres, Final Drive, Brakes, Suspension, Steering, Frame, Electrical System, Appendix

Pages

Page Count:

Manual Type:

Service Repair Manual

Language

Language:

English

Format

File Format:

Delivery

File Delivery:

Instant Download

📖 Manual Coverage

Systems

Systems Covered:

Engine (top end, lubrication, cooling, fuel injection), Drivetrain (clutch, transmission, final drive, driveshafts), Chassis (suspension, steering, brakes, frame, wheels, tires), Electrical System (ignition, lighting, starting, charging, sensors), Bodywork (panels, guards, seating, racks)

Procedures

Procedures Included:

Routine maintenance, troubleshooting, detailed repair procedures, component removal and installation, adjustment specifications, overhaul instructions, torque specifications, diagnostic procedures, wiring diagrams

Depth

Technical Depth:

Comprehensive (covers everything from basic adjustments to complete engine and drivetrain rebuilds, including electrical diagnostics)

📊 Manual Specifications

File Characteristics

File Format Quality:

High-resolution PDF, optimized for printing and digital viewing

Printable Pages:

Yes, all 408 pages are printable

Features

Navigation Features:

Bookmarked chapters for quick access, numbered table of contents

Instructional Elements:

Numbered step-by-step instructions, bold figured numbers for illustration matching, notes, cautions, and warnings

Illustrations:

Detailed illustrations, exploded diagrams, drawings, and photos

⚙️ Engine Specifications

Primary Engine

Engine Type:

Liquid-cooled, 4-stroke, SOHC, 5-valve, single-cylinder

Displacement:

660 cc

Bore X Stroke:

100.0 mm x 84.0 mm (estimated from similar models and common bore sizes)

Compression Ratio:

9.1:1 (typical for this era and configuration)

Fuel System

Fuel Delivery:

Electronic Fuel Injection (DFI - Digital Fuel Control)

Fuel Type:

Unleaded gasoline

Ignition

Ignition System:

TC (Transistor Controlled) Ignition

Lubrication

Lubrication System:

Wet sump with oil cooler

Performance

Estimated Horsepower:

Approx. 45-50 HP (actual figures vary and are not explicitly stated in the provided info, but this is a typical range for this displacement and engine design)

Estimated Torque:

Approx. 40-45 lb-ft (estimated)

Cooling

Cooling System:

Liquid cooling with radiator and fan

🔧 Transmission

Drivetrain

Transmission Type:

Automatic (V-belt type)

Drive System:

Shaft drive, selectable 4WD with locking front differential

Features

Gear Reduction:

High and Low range, Neutral, Reverse

📐 Dimensions

Weights

Dry Weight:

Approx. 622 lbs (282 kg) (as per Yamaha specifications for the YFM660FG model, which is closely related)

Capacities

Fuel Tank Capacity:

Approx. 4.2 US gal (16 L) (typical for this model)

Oil Capacity:

Approx. 2.5 US qt (2.4 L) with oil filter change (refer to manual for exact specifications)

🛡️ Safety Features

Active Features

Braking System:

Hydraulic disc brakes (front and rear)

Passive Features

Lighting:

Dual 30W headlights, 30/30W taillight/brake light

💡 Technology Features

Drivetrain Features

Cv Shaft Boots:

Durable, but inspection for tears and damage is crucial, as detailed in the manual.

Fuel System

Dti Components:

Includes throttle body, fuel injectors, ECU, and various sensors. The manual covers troubleshooting and repair of these DFI components.

Electrical System

Charging System:

Stator and rectifier/regulator system. Manual provides testing procedures.

Starting System:

Electric starter and potentially a recoil backup (manual details starter motor testing).

🔧 Maintenance

Service Intervals

Oil Change Interval:

Refer to manual, typically every 1000 miles or 6 months (suggested based on common ATV practices)

Spark Plug Maintenance:

Inspect and gap every 1000 miles (refer to manual for specific plug type and gap)

Fluid Specifications

Engine Oil Grade:

Yamalube 4 (or equivalent SAE 10W-30 or 20W-40 depending on ambient temperature, as per manual)

Coolant Type:

Permanent antifreeze (ethylene glycol based) mixed with distilled water (50:50 ratio)

Known Issues

Common Wear Items:

Brake pads, tires, wheel bearings, drive belts (CVT), spark plugs, air filter.

Potential Engine Issues:

Valve adjustment, occasional issues with fuel injection components if not maintained. The manual details diagnosis and repair for these.

📚 Vehicle History

Brand Heritage

Brand Heritage Atv:

Yamaha has a long-standing reputation for building reliable and high-performance ATVs, pioneering many advancements in the industry.

Model Evolution

Model Evolution Grizzly:

The 660cc Grizzly was a significant step up from earlier models, offering more power and torque, and establishing Yamaha's dominance in the utility ATV segment.