Poor Performance At High Speed; Poor Handling; Troubleshooting - Honda 2005-2008 RX500 FA Service Manual

'61HN252' by American Honda Motor Co. - Page 536 of 540
[2005-2008] [TRX500 FA/FGA]

TROUBLESHOOTING

POOR PERFORMANCE AT HIGH SPEED

POOR HANDLING

26-6
1 of 1
1. Fuel Line Inspection
Disconnect fuel line at carburetor.
Does fuel flow freely?
NO · Clogged fuel line
· Clogged fuel tank breather hose
· Faulty fuel valve
· Clogged fuel strainer
YES GO TO STEP 2.
2. Carburetor Inspection
Check carburetor for clogging.
Is the carburetor clogged?
Carburetor not serviced frequently enough
YES
NO GO TO STEP 3.
3. Valve Timing Inspection
Check valve timing.
Is the valve timing correct?
NO Camshaft not installed properly
YES GO TO STEP 4.
4. Ignition Timing Inspection
Check ignition timing.
Is the ignition timing correct?
· Faulty engine control module (ECM)
NO
· Faulty ignition pulse generator
YES GO TO STEP 5.
5. Valve Spring Inspection
Check valve springs.
Are the valve springs weak?
Faulty valve spring
YES
Faulty automatic transmission system
NO
Steering is heavy
· Steering shaft nut or holder too tight
· Damaged steering shaft bushing
· Damaged steering shaft bearing
Any wheel is wobbling
· Excessive wheel bearing play
· Bent rim
· Improperly installed wheel hub
· Loose suspension arm
· Bent frame
Vehicle pulls to one side
· Tire air pressure incorrect
· Faulty shock absorber
· Bent tie-rod
· Incorrect tie-rod adjustment
· Bent frame
· Improper wheel alignment
http://services.honda.com/ServiceManual/SVC_MNL/61HN253/61HN2...
3/9/2008 11:33 PM