Vehicle Segment:
Sporty Personal Snowmobile
Target Audience:
Enthusiasts and owners seeking to maintain and repair their Yamaha Exciter 570.
Competitors 1991-1993:
Arctic Cat Cheetah, Ski-Doo Formula MX, Polaris Indy
Vehicle Usp:
Lightweight, agile, and powerful for its class, offering a spirited riding experience.
Benefit To Owner:
Empowers owners to perform maintenance, troubleshoot issues, and undertake repairs, saving time and money.
Primary Coverage:
Service and Repair
Specific Systems Covered:
Engine, Fuel System, Ignition, Cooling, Lubrication, Drive System, Suspension, Steering, Brakes, Electrical System, Bodywork, Chassis
Type:
Full Service & Repair Manual
Engine Mechanical:
Detailed disassembly, inspection, and reassembly of engine components including cylinders, pistons, crankshaft, connecting rods, cylinder heads, valves, and timing components.
Fuel System:
Carburetor tuning, cleaning, and rebuilding; fuel pump operation; fuel line maintenance.
Ignition System:
Spark plug specifications, ignition timing adjustment, CDI unit testing, and coil diagnostics.
Cooling System:
Radiator maintenance, coolant specifications, water pump inspection, and thermostat testing.
Lubrication System:
Oil specifications, oil pump operation, and lubrication circuit maintenance.
Drive System:
Clutch adjustment and replacement, drive belt inspection and replacement, gearbox operation, and chain lubrication/adjustment.
Suspension System:
Front and rear suspension component inspection, shock absorber service, and spring replacement.
Steering System:
Handlebar and steering column inspection, linkage lubrication, and alignment procedures.
Brake System:
Brake pad inspection and replacement, brake fluid specifications and bleeding, caliper service, and brake cable adjustment.
Electrical System:
Wiring diagrams, battery maintenance, lighting system checks, starter motor and alternator testing, and instrument cluster diagnostics.
Bodywork And Chassis:
Fairing removal and installation, seat maintenance, and chassis component inspection.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication, brake adjustments, spark plug checks, and battery service.
Troubleshooting:
Diagnostic guides for common running issues, electrical faults, and mechanical failures.
Major Repairs:
Complete engine rebuilds, transmission overhauls, and suspension component replacements.
Technical Adjustments:
Carburetor synchronization, ignition timing, clutch and throttle cable free play adjustments.
Depth Of Information:
Comprehensive: Covers everything from basic checks to full engine and component overhauls, including detailed torque specifications and tolerances.
Searchability:
Likely text-searchable, enabling quick access to specific information.
Quality:
High resolution, suitable for printing at home or professional print shop.
Binding For Print:
Not applicable (digital download), but designed for easy printing and binding.
Paper Type For Print:
Not applicable (digital download), but recommended to print on durable paper for workshop use.
Engine Type:
Two-stroke, liquid-cooled, parallel-twin
Displacement:
561 cc (34.2 ci)
Bore X Stroke:
66.0 mm x 82.0 mm (2.60 in x 3.23 in)
Compression Ratio:
7.0:1 (Typical for this era)
Horsepower:
Approximately 70-75 HP (Estimate based on similar models)
Torque:
Not typically published for this class of vehicle, but sufficient for strong acceleration.
Carburetor Type:
Dual Mikuni VM34SS (or similar)
Fuel Type:
Unleaded gasoline (minimum 87 octane recommended)
Oil Mixture:
Premix (50:1 ratio typically with a high-quality 2-stroke snowmobile oil) or Auto-lube system (if equipped).
Ignition System Type:
Capacitor Discharge Ignition (CDI)
Cooling Method:
Liquid-cooled
Lubrication Type:
Premix or Autolube (oil injection)
Overall Length:
Variable based on track length, typically around 100-110 inches.
Overall Width:
Approximately 35-40 inches.
Track Width:
Variable, typically around 40 inches (front ski stance).
Dry Weight:
Approximately 450-500 lbs (dry)
Gross Vehicle Weight Rating:
Not typically specified for snowmobiles, but consider rider and cargo weight.
Crash Test Ratings:
Not applicable (snowmobile safety standards differ from automotive).
Braking System:
Hydraulic disc brake, typically on the driveshaft or rear axle.
Kill Switch Lanyard:
Standard safety feature that shuts off the engine if the rider is separated from the machine.
Track And Suspension:
Designed for stability and control in varied snow conditions.
Instrument Cluster:
Basic analog gauges: speedometer, tachometer, engine temperature gauge, fuel gauge (if applicable), and indicator lights.
Features:
Limited to basic chassis and suspension design for rider control. No electronic driver assistance systems.
Features:
No electronic connectivity features.
Oil Change Interval:
Every 30-40 operating hours or annually. Refer to manual for specific hours.
Spark Plug Inspection Replacement:
Inspect every 10-15 operating hours, replace as needed or every 30-50 operating hours.
Drive Belt Inspection Replacement:
Inspect regularly for wear and damage. Replace every 1500-2000 miles or as per manual recommendations.
Track Tension Adjustment:
Check and adjust track tension after initial break-in and every 20-30 operating hours.
Engine Oil Type:
2-stroke synthetic or semi-synthetic snowmobile oil (e.g., Yamalube 2M or equivalent).
Coolant Type:
Ethylene glycol-based antifreeze, mixed with distilled water (50/50 ratio).
Common Wear Items:
Drive belts, clutches (rollers, buttons, springs), carbides on skis, track lugs, exhaust gaskets, and carburetor diaphragms.
Potential Engine Problems:
Overheating if cooling system is neglected, carburetor issues due to gumming from stale fuel, and crank seal leaks.
Electrical Issues:
Faulty CDI unit, stator or charging coil problems, and corroded electrical connections.
Yamaha Motorsports:
Yamaha has a long-standing reputation for innovation and performance in motorsports, including motorcycles, ATVs, and snowmobiles.
Exciter Lineup:
The Exciter line represented Yamaha's push into the performance and sporty segment of the snowmobile market, evolving from earlier models.
Manufacturing Location:
Likely manufactured in Japan or North America by Yamaha.
Production Years:
1980s - 1990s (Exciter series)
