Yamaha Exciter 570 snowmobile Service Manual Repair 1987-1990 EX570

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Tipo: Snowmobile

Proveedor:

SKU: 122198

Etiquetas: 1987 1988 1989 1990 EX570 Exciter Exciter 570 Motorcycles Snowmobile Yamaha

Variantes de producto

Descripción

The Yamaha Exciter 570, model code EX570, represents a performance-oriented trail snowmobile from the late 1980s, produced between 1987 and 1990. Known for its robust liquid-cooled, parallel twin-cylinder engine and designed for spirited riding, the Exciter 570 offered a balance of power and handling within its segment. Yamaha's long-standing reputation for engineering quality and reliability underpins this model, which competed in a dynamic snowmobile market. Its design focused on delivering an engaging experience for enthusiasts seeking a capable machine for trail exploration. This comprehensive Factory Service Manual provides detailed information for the complete service and repair of the Yamaha Exciter 570 snowmobiles from 1987-1990. It covers essential areas including engine overhaul, drivetrain maintenance, electrical system diagnostics, and chassis repairs, alongside scheduled maintenance procedures, troubleshooting guides, and technical specifications. With 578 pages of factory-level guidance, this manual is an indispensable resource for owners, mechanics, and technicians aiming to maintain, diagnose, and repair their vehicle effectively, ensuring optimal performance and longevity.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

Exciter 570

Model Code:

EX570

Model Years Covered:

1987, 1988, 1989, 1990

Codes

Chassis Code Identifier:

EX570

👋 Introduction

Market Position

Segment:

Performance-oriented trail snowmobile

Late 1980s performance snowmobile segment

Competitive Analysis

Competitors:

Likely competed with similar displacement models from Ski-Doo, Arctic Cat, and Polaris of the same era.

Key Features

Performance Focus:

Designed for spirited riding with a focus on power and handling.

Engine Type:

Known for its robust liquid-cooled twin-cylinder engine.

Manual Utility

Target Audience:

DIY enthusiasts, mechanics, and owners looking to maintain or repair their Yamaha Exciter 570.

Value Proposition:

Provides comprehensive factory-level information essential for proper maintenance and repair, saving time and money.

📋 Manual Details

Coverage Areas

Primary Coverage:

Complete service and repair for Yamaha Exciter 570 snowmobiles

Secondary Coverage:

Maintenance, troubleshooting, diagnostics, specifications, parts diagrams

Page Count

Total Pages:

Manual Type

Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

Format:

PDF (Downloadable)

📖 Manual Coverage

Systems Covered

Engine:

Engine overhaul, teardown, rebuild, carburetor, fuel system, ignition, cooling system, exhaust system, lubrication

Drivetrain:

Drive train, primary reduction gear, clutch (primary and secondary), chaincase, track system, suspension, skis, steering

Electrical:

Ignition system, charging system (stator, magneto, regulator/rectifier), lighting, switches, starter system

Chassis Body:

Frame, body panels, plastics, seat, handlebars, controls, brakes, skis

Procedures Included

Maintenance:

Scheduled maintenance, fluid changes (coolant, oil), lubrication, spark plug replacement, track tension adjustment

Repair Rebuild:

Complete engine teardown and rebuild, transmission overhaul, suspension repair, brake system service, electrical component repair

Troubleshooting:

Diagnostic procedures for common problems, error code interpretation (if applicable to this era), no spark diagnosis, starting issues, fuel delivery problems

Installation Adjustment:

Carburetor tuning and adjustment (main jet, pilot jet, mixture screw), clutch adjustment, throttle cable adjustment, brake adjustments

Technical Depth

Depth:

Comprehensive, from basic maintenance to complete engine and chassis rebuilds

Diagnostics:

Detailed diagnostic flowcharts and troubleshooting guides

Illustrations:

Includes pictures, diagrams, and schematics

Specifications:

Detailed torque specifications, clearances, fluid capacities, and performance data

📊 Manual Specifications

File Format

File Type:

Searchable:

No (due to file size optimization)

Restrictions:

No restrictions on printing or saving/burning to disc

Print Quality

Quality:

Assumed to be factory original quality, suitable for printing

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

2-stroke, liquid-cooled, parallel twin cylinder

Displacement:

561 cc (approximate based on model name)

Bore X Stroke:

Refer to manual for specific dimensions (e.g., common for this era might be around 73mm x 64mm but needs manual confirmation)

Compression Ratio:

Refer to manual for specific ratio.

Performance

Horsepower:

Likely in the range of 70-90 HP, dependent on specific tuning and year. Manual will provide exact figures.

Torque:

Refer to manual for peak torque figures and RPM.

Fuel System

Fuel Delivery:

Dual Carburetors (likely Mikuni VM series or similar)

Carburetor Size:

Refer to manual for specific carburetor model and venturi size (e.g., 34mm or 36mm likely).

Ignition System:

CDI (Capacitor Discharge Ignition)

Lubrication

Oil Type:

2-stroke pre-mix or oil injection system. Manual will specify Yamaha approved 2-stroke oil.

Cooling System

Cooling Method:

Liquid-cooled

Coolant Type:

Permanent antifreeze (ethylene glycol based) mixed with distilled water. Manual will specify ratio and type.

🔧 Transmission

Standard

Type:

CVT (Continuously Variable Transmission) with primary and secondary clutches.

Features

Gear Reduction:

Primary reduction gear system.

Reverse:

Likely equipped with a manual reverse mechanism or a separate reverse gear assembly.

Fluid Specifications

Chaincase Oil Type:

Refer to manual for specific chaincase oil viscosity and type (e.g., gear oil or specialized lubricant).

📐 Dimensions

Exterior

Length:

Refer to manual for exact dimensions.

Width:

Refer to manual for exact dimensions.

Weights

Dry Weight:

Refer to manual for exact weight. Typically around 450-500 lbs for this class.

Fuel Capacity:

Refer to manual for tank capacity. Likely around 5-7 gallons.

🛡️ Safety Features

Ratings

Crash Safety:

N/A (Snowmobiles are not subject to traditional automotive crash ratings.)

Active Features

Braking System:

Hydraulic disc brake, typically front and rear or a single rear caliper.

Passive Features

Lighting:

Headlight, taillight, and brake light for visibility.

Kill Switch:

Engine kill switch on handlebar, often with a tether.

💡 Technology Features

Infotainment

Features:

Basic instrumentation (speedometer, tachometer, potentially oil/temp warning lights). No advanced infotainment systems typical of modern vehicles.

Driver Assistance

Features:

N/A. Focus is on mechanical systems.

Connectivity

Features:

🔧 Maintenance

Service Intervals

Oil Change:

Refer to manual for specific interval for chaincase oil if applicable, and recommendations for 2-stroke oil usage.

Spark Plug Inspection:

Recommended inspection and replacement at specified intervals, typically every season or ~1000-2000 miles.

Track Tension:

Regular inspection and adjustment of track tension as per manual recommendations.

Carburetor Cleaning:

Recommended periodic cleaning and synchronization, especially if experiencing running issues.

Fluid Specifications

Coolant Capacity:

Refer to manual for exact coolant capacity.

Brake Fluid Type:

Refer to manual for brake fluid specification (likely DOT 3 or DOT 4).

Known Issues

Carburetor Fouling:

Common for older 2-stroke carbureted engines, requiring regular cleaning and jetting checks.

Clutch Wear:

Clutch components (belts, rollers, buttons) can wear over time, affecting performance and requiring inspection/replacement.

Ignition Components:

CDI modules, coils, and stators can fail with age. Manual will guide diagnosis.

Suspension Bushings:

Rubber bushings in the suspension and steering can degrade, leading to looseness and poor handling.

📚 Vehicle History

Brand Heritage

Yamaha Motorsports:

Yamaha has a long and successful history in motorsports, including snowmobiles, motorcycles, and ATVs, known for engineering and reliability.

Model Evolution

Exciter Line:

The Exciter line was a staple in Yamaha's snowmobile offerings, known for its balance of performance and comfort. The 570cc engine was a popular choice for this mid-displacement performance category.

Production

Manufacturing Era:

Produced during a period of significant innovation and competition in the snowmobile industry.

🏆 Awards & Recognition

Recognitions

Model Specific Awards:

Specific awards for the 1987-1990 Exciter 570 are not widely documented, but the model was generally well-regarded for its performance in its class during its production run.