Yamaha 1987 1990 Exciter 570 EX570 Service Repair Manual EX 570

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Typ: Snowmobile

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Art.-Nr: 130003

Stichworte: 1987 1988 1989 1990 EX 570 EX570 Exciter Exciter 570 Motorcycles Snowmobile Yamaha

Produktvarianten

Beschreibung

The Yamaha Exciter 570, produced from 1987 to 1990, represents a significant offering in the performance-oriented trail snowmobile segment. Available in variants such as the Exciter and Exciter Deluxe, and powered by the EX570 engine, these models are recognized for their robust engineering and reliability, hallmarks of Yamaha's long-standing motorsports heritage. Designed for recreational trail riding, the Exciter 570 series features a two-stroke, liquid-cooled engine, a CVT transmission, and a focus on delivering an engaging riding experience. Key safety features include the Throttle Override System (T.O.R.S.) and hydraulic disc brakes, contributing to its reputation for dependable performance in its class. This comprehensive service repair manual provides essential information for maintaining and repairing the Yamaha Exciter 570 snowmobile. It covers a wide array of systems, including the engine, powertrain, chassis, electrical components, and fuel system. Detailed procedures for periodic maintenance, troubleshooting, component removal and installation, and tuning are included, along with technical specifications and system illustrations. This manual is an indispensable resource for DIY enthusiasts and professional mechanics alike, ensuring the snowmobile remains in optimal operating condition and enabling efficient problem resolution.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

Exciter 570

Model Variants:

Exciter, Exciter Deluxe

Engine Designation:

EX570

Codes

Chassis Codes:

EX570L, EX570M, EX570EM, EX570N, EX570EN, EX570P, EX570HP, EX570EP, EX570EHP

Internal Model Codes:

EX, I, M, N, P, RP, EHP

👋 Introduction

Market Position

Target User:

DIY enthusiasts and professional mechanics for the Yamaha Exciter 570 snowmobile

Key Features

Value Proposition:

Instant download provides immediate access to repair and maintenance information, enabling users to fix problems efficiently.

Manual Benefit:

Ensures snowmobile is in peak operating condition through adherence to maintenance schedules and detailed repair procedures.

📋 Manual Details

Coverage Areas

Applicable Years:

1987, 1988, 1989, 1990

Vehicle Type:

Snowmobile

Page Count

Estimated Page Count:

Refer to specific manual edition, generally 300-600 pages

Manual Type

Type:

Service Repair Manual

Language

Language:

English

Format

Format:

Digital (PDF Download)

📖 Manual Coverage

Systems Covered

Engine:

Complete engine disassembly, assembly, tuning, troubleshooting, cooling system

Powertrain:

Drive belt, sheaves, drive chain, reverse mechanism (if equipped), brake system, suspension

Chassis:

Steering, skis, front suspension, slide rail suspension, track system

Electrical:

Ignition system, starting system, charging system, lighting, switches, T.O.R.S. system

Fuel System:

Carburetors, fuel lines, fuel pump, fuel level adjustment

Procedures Included

Maintenance:

Periodic inspection and adjustment, lubrication, fluid changes, spark plug service

Troubleshooting:

Comprehensive troubleshooting guides for engine, electrical, and mechanical systems

Repair:

Component removal, installation, rebuilding, and repair procedures

Tuning:

Carburetor tuning, clutch tuning, high altitude tuning, gear selection

Technical Depth

Depth:

Comprehensive, covering everything from basic maintenance to complete engine and component overhauls

Diagrams Illustrations:

Includes assembly/system illustrations, diagrams, exploded parts views, and pictures

📊 Manual Specifications

File Format

File Format:

Print Quality

Quality:

High-resolution, suitable for printing

Binding Type

Binding:

N/A (Digital)

Paper Type

Paper Type:

N/A (Digital)

Software Requirements

Compatibility:

No special software required, works on all computers

⚙️ Engine Specifications

Primary Engine

Type:

Two-stroke, liquid-cooled

Displacement:

561 cc (approximate, derived from 570 designation)

Bore X Stroke:

Refer to specific model year documentation for precise figures

Performance

Horsepower:

Typically in the range of 50-60 HP (estimate based on era and displacement)

Torque:

Refer to specific model year documentation

Fuel System

Carburetion:

Dual Mikuni carburetors (typical configuration for this era and displacement)

Fuel Type:

Unleaded gasoline

Cooling System

Type:

Liquid-cooled

Lubrication

Oil System:

Oil injection (autolube) or pre-mix (check specific model)

🔧 Transmission

Primary Transmission

Type:

CVT (Continuously Variable Transmission) with automatic clutch engagement

Drive System

Drive Type:

Chain drive to track

Features

Reverse:

Optional, depending on specific model variant (e.g., EX570M may have reverse)

📐 Dimensions

Exterior

Length:

Refer to specific model year specifications

Width:

Refer to specific model year specifications

Height:

Refer to specific model year specifications

Weights

Dry Weight:

Refer to specific model year specifications (typically in the 400-500 lb range)

Ski Stance:

Refer to specific model year specifications

🛡️ Safety Features

Active Features

Throttle Override:

Throttle Override System (T.O.R.S.)

Braking System:

Hydraulic disc brake (typically rear)

Passive Features

Lighting:

Headlight, taillight

💡 Technology Features

Infotainment

Gauge Cluster:

Basic instrumentation including speedometer, tachometer, engine temperature, and oil level indicators.

Driver Assistance

Safety Systems:

Throttle Override System (T.O.R.S.) is a key safety feature designed to cut engine power under specific conditions.

Connectivity

Features:

Limited to mechanical and electrical systems; no modern electronic connectivity features.

🔧 Maintenance

Service Intervals

Oil Change:

Refer to manual: typically annually or per operating hours/mileage, depending on usage.

Spark Plug Replacement:

Refer to manual: typically at seasonal check-ups or based on performance degradation.

Drive Belt Inspection:

Refer to manual: frequent inspection recommended, replacement based on wear.

Fluid Specifications

Coolant:

Ethylene glycol based antifreeze (specific mixture ratio in manual)

Brake Fluid:

DOT 3 or DOT 4 hydraulic brake fluid (refer to manual for exact specification)

2 Stroke Oil:

Yamalube or equivalent API-TC certified 2-stroke oil (for autolube system)

Known Issues

Carburetor Icing:

Common in cold, humid conditions; manual covers cleaning and adjustment procedures.

V-Belt Wear:

Regular inspection and replacement are crucial for performance and to prevent catastrophic failure.

Suspension Wear:

As with any machine of this age, suspension components like sliders and shocks may require maintenance or replacement.

Maintenance Schedule

Schedule Detail:

Detailed periodic maintenance table provided, covering inspections and adjustments at various intervals (e.g., initial, after 10 hours, 30 hours, annually).

📚 Vehicle History

Brand Heritage

Yamaha Motorsports:

Yamaha has a long-standing heritage in motorsports, including snowmobiles, motorcycles, and ATVs, known for performance and reliability.

Model Evolution

Exciter Series:

The Exciter series represented Yamaha's entry into the performance-oriented trail snowmobile market during the late 80s and early 90s.

Production

Production Period:

1987-1990 for the 570cc variant

🏆 Awards & Recognition

Recognitions

Model Specific Awards:

Specific awards for the 1987-1990 Exciter 570 are not widely documented in historical records; however, Yamaha snowmobiles of this era were generally well-regarded for their performance and reliability in the trail riding segment.