Johnson SKEE-HORSE 25-201R - User Manual

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SKEE-HORSE
SERVICE MANUAL
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30 HORSEPOWER
MODELS 25-201R
25-201RA 25-201RSA
11 · 70 PART NO. 261894 LITHO U.S.A. © OUTBOARD MARINE CORPORATION 1970 ALL RIGHTS RESERVED

Summary

SECTION 2 SPECIFICATIONS

TORQUE SPECIFICATIONS

Recommended torque values for fasteners.

SECTION 4 TROUBLE SHOOTING

COMPRESSION

How cylinder compression affects engine performance.

SPARK PLUGS

Role and condition of spark plugs in troubleshooting.

TROUBLE SHOOTING PROCEDURES

Step-by-step guide to diagnosing common problems.

SECTION 5 TUNE-UP PROCEDURES

CARBURETOR ADJUSTMENTS

Fine-tuning the carburetor for performance.

SECTION 6 FUEL SYSTEM

CARBURETOR

Maintenance and adjustment of the carburetor.

SECTION 7 IGNITION AND ELECTRICAL SYSTEMS

MAGNETO

Removal and testing of the magneto components.

STARTER SYSTEM

Overview of the starter motor and solenoid system.

SECTION 9 ENGINE

REMOVAL

Steps for removing the engine from the snowmobile.

DISASSEMBLY

Procedures for dismantling the engine.

BREAK-IN

SECTION 10 DRIVE TRAIN

PRIMARY DRIVE

BRAKE

SECONDARY DRIVE

REVERSING TRANSMISSION

SECTION 12 LUBRICATION AND STORAGE

ENGINE LUBRICATION

FUELS AND LUBRICANTS

FUEL BLENDING

Correct procedures for mixing fuel and lubricant.

PREPARATION FOR STORAGE

Detailed steps for engine and vehicle preparation.

Johnson SKEE-HORSE 25-201R Specifications