1. GENERAL INFORMATION
POOR PERFORMANCE AT HIGH SPEED
Possible cause
1. Check ignition timing Incorrect Faulty ECU
Correct
2. Inspect the fuel flow Abnormal Faulty pressure regulator
Normal
3. Inspect the fuel injector Abnormal Faulty injector
Normal
4. Check valve timing Incorrect Camshaft not installed properly
Correct
5. Check valve spring Weak Faulty valve spring
Not weak
POOR HANDLING
Possible cause
1. If steering is heavy Steering stem adjusting nut too tight
Damaged steering head bearings
2. If either wheel is wobbling Excessive wheel bearing play
Bent rim
Improper installed wheel hub
Swing arm pivot bearing
excessively worn
Bent frame
3. If the motorcycle pulled to one side Faulty the shock absorber
Front and rear wheel not aligned
Bent fork
Bent swing arm
Bent axle