Target Audience:
DIY enthusiasts, snowmobile owners, and independent repair shops seeking comprehensive repair and maintenance information.
Manual Value:
Offers significant value by providing factory-level detail at a fraction of dealership costs, covering complete rebuilds and diagnostics.
Content Richness:
Extensive coverage including images, part diagrams, torque specs, and troubleshooting, making it a complete resource.
Replacement Policy:
Offers free replacement of the manual if lost by the customer, demonstrating a commitment to customer satisfaction.
Engine Overhaul:
Complete teardown and rebuild of the 500cc two-stroke engine, including cylinder, piston, conrod, crankshaft, head, valves, and lubrication system.
Fuel System:
Carburetor (including main jet, pilot jet, slow jet, mixture screw), fuel pump, fuel lines, and fuel tank maintenance and troubleshooting.
Ignition System:
Ignition system components, including stator, magneto, flywheel, ignition coil, spark plugs, and electronic ignition timing.
Drive System:
Primary reduction gear, drive clutch, driven clutch (secondary clutch), belt maintenance, and clutch adjustment procedures.
Suspension Steering:
Front forks, ski assembly, bogey wheel system, suspension linkage, steering system, handlebars, and steering cables.
Braking System:
Brake caliper, brake pads, brake lines, hydraulic system, and brake lever operation.
Electrical System:
Starting system (starter motor), charging system (magneto, stator), lighting (headlights, taillights), switches, and wiring diagrams.
Cooling System:
Radiator, cooling fan, and coolant system (if applicable for the specific model variant).
Bodywork Plastics:
Fenders, plastics, body panels, seat, and general aesthetic component installation and removal.
Track System:
Track installation, tension adjustment, and related components.
Routine Maintenance:
Scheduled maintenance tasks, lubrication points, fluid checks, and general upkeep procedures.
Troubleshooting:
Comprehensive troubleshooting guide for common issues, including performance problems, starting difficulties, and electrical faults.
Rebuild Procedures:
Detailed step-by-step instructions for engine, clutch, and other component rebuilds.
Installation Procedures:
Guidance on installing various components and accessories.
Adjustments:
Procedures for adjusting carburetor idle, mixture, clutch engagement, and suspension settings.
Depth:
Advanced diagnostics, complete component teardown and rebuild, torque specifications, special tool requirements.
Engine Type:
500cc Two-Stroke, Twin-Cylinder
Bore X Stroke:
Specific dimensions not provided, but typical for a 500cc class engine.
Horsepower:
Estimated 60-70 HP range, typical for this engine class and era.
Torque:
Specific torque figures not provided, but critical rebuild and tuning values are detailed in the manual.
Carburetor Size:
Likely Mikuni VM or similar, specific model and size detailed in the manual.
Fuel Type:
Unleaded gasoline, with oil pre-mix or oil injection system (details provided in manual).
Cooling Method:
Liquid-cooled (radiator and fan system common for this era).
Routine Checks:
Daily checks, weekly inspections, and seasonal service recommendations are covered.
Engine Service:
Specific mileage or time intervals for spark plug replacement, air filter cleaning, and carburetor adjustments.
Clutch Service:
Recommended service intervals for drive belt inspection and clutch maintenance.
Coolant Type:
Specific coolant type and mixture ratio for liquid-cooled models (if applicable) detailed in the manual.
Oil Type:
Recommended 2-stroke engine oil and mix ratio, or oil injection system oil specifications.
Grease Types:
Specified types of grease for suspension, steering, and drive components.
Common Wear Items:
Manual identifies common wear items like drive belts, brake pads, carbides, and suspension bushings.
Carburetor Tuning:
Guidance on diagnosing and resolving carburetor-related issues such as plugging or incorrect jetting.
Ignition Reliability:
Troubleshooting for common ignition system faults, including stator and CDI unit issues.
Yamaha Motorsports:
Yamaha has a long-standing reputation for quality and performance in motorsports, including snowmobiles, motorcycles, and ATVs.
Phazer Lineage:
The Phazer line is known for its sporty, agile handling and reliable two-stroke power, appealing to a broad range of riders.
Production Period:
These models represent a generation of Yamaha's lightweight, performance-oriented trail sleds.
