Poor Performance At High Speed - Honda MUV700 big red Service Manual

TROUBLESHOOTING
POOR PERFORMANCE AT HIGH SPEED
26-6
1. Fuel Pump Inspection
Inspect the fuel flow.
Is the fuel pump unit operation normsl?
NO - Faulty fuel pump unit (page 6-36)
YES - GO TO STEP 2.
2. PGM-FI System Inspection
Check the PGM-FI system .
Is the PGM- FI system normal?
NO - Faulty PGM- FI system (page 6-11)
YES - GO TO STEP 3.
3. Ignition Timing Inspection
Check ignition timing.
Is the ignition timing correct?
NO _ . Faulty peM
• Faulty CKP sensor
YES - GO TO STEP 4.
4. Valve Timing Inspection
Check valve timing.
Is the valve timing correct?
NO - Camshaft not installed properly
YES - GO TO STEP 5.
5. Valve Spring Inspection
Check val ve spri ngs.
Are the valve springs weak?
yeS _. Faulty valve spri ng
NO _ . Faulty AfT system