Yamaha MM700A, Manual, Page: 63 / 282

TROUBLESHOOTING 57
Drive Clutch Engages Before Engagement
4.
Worn spindle bushings.
5. Stripped spindle splines.
1. Worn spring.
2. Incorrect weight.
Unequal Steering
Drive Clutch Engages After Engagement
1. Incorrect spring.
2. Worn or damaged secondary sheave buttons.
Erratic Shifting
1. Worn rollers and bushings.
2. Scuffed or damaged weights.
3. Dirty primary sheave assembly.
4.
Worn or damaged secondary sheave buttons.
Engine Bogs During Engagement
1. Incorrect secondary sheave width adjustment.
2. Drive belt worn too thin.
3. Incorrect sheave distance.
Primary or Secondary Sheave Sticks
Damaged assembly.
Movable sheave damaged.
3. Dirty sheave assembly.
SKIS AND STEERING
Refer to the following list when troubleshooting ski and
steering problems. Some possible causes are listed below
each malfunction.
Loose Steering
1. Loose steering post bearing.
2. Loose steering post or steering column fasteners.
3. Loose tie rod ends.
Improperly adjusted tie rods.
2. Improperly installed steering arms.
3. Damaged steering components.
Rapid Ski Wear
1. Skis misaligned.
2. Worn out ski wear rods
TRACK ASSEMBLY
The following items provide a starting point to trouble-
shoot track assembly malfunctions. Also refer to Track
Wear Analysis in this chapter.
Frayed Track Edge
1. Incorrect track alignment.
2. Track contacts tunnel area.
Track Grooved on Inner Surface
Track too tight.
2. Frozen rear idler shaft bearing.
Track Drive Ratcheting
1.
Track too loose.
2. Drive sprockets misaligned.
3.
Damaged drive sprockets.
Rear Idlers Turning on Shaft
Frozen rear idler shaft bearings.
Table 1 IGNITION SYSTEM TEST SPECIFICATIONS
Ignition coil
Primary resistance 0.05-0.07 ohms
Secondary resistance 2700-3700 ohms
Pickup coil 189-231 ohms
Source coil
Brown to wires
392-479 ohms
to black wires
93-1 13 ohms