Segment:
Entry-level to mid-range recreational snowmobile
Target Audience:
Recreational trail riders, DIY enthusiasts, snowmobile mechanics
Competitors:
Arctic Cat El Tigre, Ski-Doo Safari, Polaris Indy (during their respective production eras)
Design Philosophy:
Reliable, user-friendly snowmobile focused on trail riding and ease of maintenance.
Manual Value Proposition:
Empowers owners to perform maintenance and repairs themselves, saving time and money, and ensuring optimal vehicle performance and longevity.
Applicable Model Years:
1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Regions Covered:
Global (technical procedures are universal)
Specific Model Names:
Phazer, Phaser, Fazer, Faser
Estimated Page Count:
Detailed within chapters; actual count not specified but comprehensive
Type:
Service Repair Manual
Format:
Digital Download (PDF)
Engine:
Full engine overhaul, internal components, lubrication, cooling, exhaust, starting system, charging system
Power Train:
Primary and secondary sheaves, drive V-belt, drive chain, brake system, reverse mechanism (if applicable)
Chassis:
Steering system, ski and ski runner, front and rear suspension, slide rail suspension
Fuel System:
Carburetion (including fuel level adjustment, synchronization), fuel pump, EFI (if applicable to specific sub-models)
Electrical System:
Ignition system (magneto, spark plug, coil), lighting system (headlights, switches), charging system (battery, stator), starting system (motor, relays), diagnostic troubleshooting for electrical faults
Suspension Rear:
Slide rail suspension system, including inspection and adjustments.
Maintenance:
Periodic inspection and adjustment table, engine tune-up, lubrication, fluid changes, belt checks, brake adjustments
Repair:
Component removal and installation, disassembly and assembly of major systems (engine, transmission, brakes, suspension)
Troubleshooting:
Detailed troubleshooting guides for common issues, fault diagnosis based on symptoms, circuit diagrams for electrical diagnostics
Carburetor Tuning:
Detailed tuning procedures for various conditions including high altitude, and adjustments for optimal fuel-air mixture.
Clutch Service:
Includes inspection, service, and potential replacement of primary and secondary clutch components, including engagement speed checks.
Track Maintenance:
Procedures for track tension adjustment and maximizing track life are included.
Depth:
Comprehensive: Covers everything from basic inspections and adjustments to complete engine and transmission rebuilds, advanced electrical diagnostics, and chassis repairs.
Searchability:
Likely text-searchable for efficient information retrieval
Accessibility:
Instant download, no special software required, compatible with all computers.
Quality:
High-quality digital reproduction of original factory documentation.
Binding:
N/A (Digital Download)
Paper:
N/A (Digital Download)
Engine Type:
Two-stroke, parallel twin-cylinder (typical for this era and model)
Engine Displacement:
478cc (approximate, based on model name '480')
Horsepower:
Varies by year and specific tuning, typically in the 40-55 HP range
Torque:
Not specified, but designed for moderate trail performance
Fuel Delivery:
Carburetor(s) (e.g., Mikuni VM series, dual carburetors common)
Fuel Type:
Unleaded gasoline with appropriate 2-stroke oil mixture (pre-mix or oil injection)
Cooling Method:
Liquid-cooled (typical for Phazer models for consistent performance)
Oil Type:
Yamaha recommends specific 2-stroke engine oil; details in manual
Type:
CVT (Continuously Variable Transmission) with centrifugal clutch and variable secondary sheave
Gear Selection:
Forward, Neutral, Reverse (optional on some models)
Drive Belt:
Specific V-belt part number and maintenance requirements detailed in manual
Sheave Adjustment:
Procedures for sheave offset and alignment included
Overall Length:
Not specified, typical for a 121-inch track snowmobile of its era
Dry Weight:
Not specified, but expected to be in the 400-500 lb range.
Fuel Capacity:
Not specified, but typically around 5-7 gallons
Crash Test Data:
N/A (Snowmobiles typically do not undergo standardized crash testing like automobiles)
Throttle Override System:
T.O.R.S. system for throttle safety, with inspection and troubleshooting procedures included
Parking Brake:
Brake system adjustments and inspection
Headlight Beam Adjustment:
Procedure for proper headlight aiming included
Hand Guards:
Likely standard for hand and lever protection
Instrumentation:
Speedometer unit inspection, potentially basic indicator lights for oil, neutral, etc.
Throttle Safety System:
T.O.R.S. (Throttle Override System) is a key safety technology covered in detail.
Wiring Harnesses:
Detailed electrical diagrams and troubleshooting for all wiring harnesses and components.
Periodic Maintenance Table:
Comprehensive table outlining recommended service intervals for engine, power train, chassis, and electrical components.
Tune Up Recommendations:
Detailed procedures for engine tune-ups, including spark plug checks, carburetor adjustments, and compression testing.
Engine Oil:
Specific Yamaha 2-stroke oil or equivalent meeting specifications detailed in the manual.
Coolant:
Proprietary Yamaha coolant or specified equivalent for liquid-cooled engines; capacity and change intervals provided.
Brake Fluid:
DOT 3 or DOT 4 brake fluid, depending on system specifications; level inspection and bleeding procedures included.
Common Wear Items:
Drive V-belt wear, clutch bushing wear, carburetor jetting for altitude/conditions, track tension adjustment, brake component wear.
Preventative Maintenance:
Emphasis on regular cleaning of cooling system, proper fuel mixture, clutch maintenance, and track conditioning to prevent premature wear and ensure longevity.
Manufacturer:
Yamaha Motor Corporation, a global leader in powersports and marine products with a long history of innovation.
Lineage:
The Phazer model line is a significant part of Yamaha's snowmobile history, known for its agility and recreational focus. This generation represents a substantial span of development.
Production Years:
1984-1999 (as covered by this manual), indicating a long and successful production run, suggesting popularity and reliability.
Manufacturing Location:
Likely manufactured in Japan or North America by Yamaha.
Model Reputation:
The Yamaha Phazer is generally well-regarded for its reliability, maneuverability, and value in its class during its production run.
Industry Reviews:
Contemporary reviews would have focused on its performance characteristics, handling, and value proposition against competitors.