Skip to main content

Due to stock take there may be despatch delays on printed manuals. Choose AutoFix, an Online Manual or Bundle for instant access.

0 items

Find your repair guide

Find your repair guide
(Cars and vans only)

Other search options

Find your repair guide

Cars or Bikes or Other
(Shortcuts to product pages)
The original Haynes Repair Manual - Based on a complete stripdown and rebuild of a vehicle

SKI-DOO Formula Plus LT (1989) Clymer

  • Print edition only!
  • What's Included

    Book ships next working day (before 5pm)
    Fault Finder - Diagnose 400+ problems
    Take on bigger jobs with Haynes’ help
    Wiring diagrams for key vehicle systems
    700+ pictures & diagrams of your vehicle
    Suitable for novice and pro mechanics
Printed Manual Only
£44.00 £37.00
What's Covered
Open Close

This Ski-Doo snowmobile manual is 400 pages.

QUICK REFERENCE DATA

CHAPTER ONE / GENERAL INFORMATION
Manual organization / Notes, cautions and warnings / Safety first / Service hints / Engine and chassis serial numbers / Engine operation / Torque specifications / Fasteners / Lubricants / RTV gasket sealant / Threadlock / Gasket remover / Expendable supplies / Basic hand tools / Precision measuring tools / Special tools / Mechanic¿s tips / Ball bearing replacement / Oil Seals / Snowmobile operation / Snowmobile safety / Snowmobile code of ethics / Specifications

CHAPTER TWO / TROUBLESHOOTING
Operating requirements / Troubleshooting instruments / Testing electrical components / Engine electrical system troubleshooting / Voltage regulator / Fuel system / Engine / Two-stroke pressure testing / Power train / Skis and steering / Track assembly

CHAPTER THREE-LUBRICATION, MAINTENANCE AND TUNE-UP
Pre-ride checks inspection / Break-in / Correct fuel mixing / Maintenance schedule intervals / Engine oil tank change / Chaincase oil change / Spindle lubrication / Slide suspension lubrication / Speedometer drive adapter / Cooling system / Coolant level check change inspection / Daily maintenance / Drive belt check / Headlight taillight check / Steering bolt / Carburetor jetting / Weekly maintenance / Recoil starter / Ski and runner alignment / Track adjustment / Fuel filter / Water pump belt / Drive chain reverse gear / Cylinder head torque / Tune-up / Compression check / Two-stroke pressure test / Cylinder head torque / Spark plug plugs / Ignition timing / Dynamic timing / Static timing / Carburetor synchronization / Idle speed / Specifications

CHAPTER FOUR / HIGH ALTITUDE AND REAR SUSPENSION ADJUSTMENT
Clutch tuning / Carburetor tuning / Gearing / Suspension adjustment /Specifications

CHAPTER FIVE / ENGINE
Engine and chassis serial numbers / Engine removal installation / Engine plate and mounts / Engine top end / Cylinder head / Cylinder housing / Pistons / Piston rings / Wrist pins / Connecting rods / Small end bearings / Reed valve / Crankcase / Crankshaft / Pinion gear / Rotax automatic variable exhaust RAVE /Rotary valve and shaft / Specifications

CHAPTER SIX / FUEL AND EXHAUSTS
Air silencer / Carburetor / Fuel Pump / Fuel tank / Fuel valve / Throttle cable / Exhaust / Specifications

CHAPTER SEVEN / ELECTRICAL SYSTEM
Flywheel and stator / Battery / Ignition coil coils / Capacitor discharge ignition CDI / CDI control unit / CDI Box / Voltage regulator / Lighting system / Instrument cluster gauges / Switches / Fuel level sensor / Oil level indicator / Electric starter system / Circuit breaker / Hand warmers / Wiring diagrams / Specification

CHAPTER EIGHT / OIL INJECTION SYSTEM
Oil pump / Specification

CHAPTER NINE / LIQUID COOLING SYSTEM
Thermostat / Water pump / Heat exchanger / Check valve / Hoses / Specifications

CHAPTER TEN / RECOIL STARTER

CHAPTER ELEVEN / DRIVE SYSTEM
Drive unit / Drive pulley / Drive belt / Specifications

CHAPTER TWELVE / BRAKE, CHAINCASE, JACKSHAFT AND DRIVE AXLE
Drive chain and sprockets / Chaincase / Jackshaft / Drive axle / Brake pad and caliper / Hydraulic brake system / Specifications

CHAPTER THIRTEEN / FRONT SUSPENSION AND STEERING
Skis / Front suspension / Shock absorbers / Steering assembly / Specifications

CHAPTER FOURTEEN / TRACK AND REAR SUSPENSION
Rear suspension / Slide shoes / Runner protector / Shock absorbers / Front shackle / Front swing arm / Front arm / Rear shackle / Rear arm / Rear axle / Suspension and guide wheels / Track / Specifications

CHAPTER SEVENTEEN / OFF SEASON STORAGE

INDEX

WIRING DIAGRAMS

Models covered:
1989 Ski-Doo Formula Mach I
1985 1986 1987 1988 1989 Ski-Doo Formula MX
1986 Ski-Doo Formula MX High Altitude H/A
1987 1988 1989 Ski-Doo Formula MX LT
1985 1986 1987 1989 Ski-Doo Formula Plus
1989 Ski-Doo Formula Plus LT

Clymer Manuals Ski-Doo Formula MX Manual
Clymer Manuals Ski-Doo Formula MX High Altitude H/A Manual
Clymer Manuals Ski-Doo Formula Plus Manual
Clymer Manuals Ski-Doo Formula MX LT Manual
Clymer Manuals Ski-Doo Formula Plus LT Manual
Clymer Manuals Ski-Doo Formula Mach I Manual

Ski-Doo Formula MX (1985-1989)
Ski-Doo Formula MX High Altitude H/A (1986)
Ski-Doo Formula Plus (1985-1989)
Ski-Doo Formula MX LT (1987-1989)
Ski-Doo Formula Plus LT (1989)
Ski-Doo Formula Mach I (1989)

Product Details
Open Close