TROUBLESHOOTING
23-6
POOR PERFORMANCE AT HIGH SPEED
1. Ignition Timing Inspection
Check the ignition timing.
Is the ignition timing as specified?
YES – GO TO STEP 2.
NO – • Faulty ECM
• Faulty CKP sensor
• Faulty VS sensor
• Improper valve timing
2. Fuel Pump Inspection
Inspect the fuel flow.
Is the fuel pump unit operation normal?
YES – GO TO STEP 3.
NO – Faulty fuel pump unit (page 5-56).
3. PGM-FI System Inspection
Check the PGM-FI system.
Is the PGM-FI system normally?
YES – GO TO STEP 4.
NO – Faulty PGM-FI system (page 5-11).
4. Valve Timing Inspection
Check the valve timing (page 8-28).
Is the valve timing correct?
YES – GO TO STEP 5.
NO – Camshafts not installed properly
5. Valve Spring Inspection
Check the valve springs.
Is the valve spring free length as specified?
YES – Not weak
NO – Faulty valve springs
POOR HANDLING
Steering is heavy
• Steering stem adjusting nut too tight
• Damaged steering head bearings
• Insufficient tire pressure
Either wheel is wobbling
• Excessive wheel bearing play
• Bent rim
• Swingarm pivot bearing excessively worn
• Bent frame
The motorcycle pulls to one side
• Front and rear wheel not aligned
• Faulty shock absorber
• Bent fork
• Bent swingarm
• Bent axle
• Bent frame
Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys.
email: info@motomatrix.co.uk
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