SHAFT DRIVE
4-96
NO →
YES ↓
YES →
NO ↓
EAS23570
CHECKING THE FINAL GEAR OIL FOR
CONTAMINATION AND CHECKING THE
SHAFT DRIVE FOR LEAKS
1. Drain:
• Final gear oil
(from the final gear case)
Refer to “CHANGING THE FINAL GEAR
OIL” on page 3-26.
2. Check:
• Final gear oil
Large amount of metal particles → Check for
bearing seizure.
IP
A small amount of metal particles in the final
gear oil is normal.
3. Check:
• Final drive assembly
(for oil leaks)
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a. Thoroughly clean the entire vehicle and then
completely dry it.
b. Apply a leak-locating compound or dry pow-
der spray to the final drive assembly.
c. Test ride the vehicle long enough to locate a
leak.
Oil leak → Repair or replace the faulty part(s).
IP
• What may appear to be an oil leak on a new or
fairly new vehicle, may result from the applica-
tion of a rust preventive coating or excessive
seal lubrication.
• Always clean the vehicle and recheck the area
where the leak is thought to originate from.
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EAS23581
MEASURING THE FINAL GEAR BACKLASH
IP
Before measuring the final gear backlash, re-
move the baffle plate from the final drive case.
1. Secure the final drive assembly in a vise.
2. Remove:
• Final gear oil drain bolt
3. Drain:
• Final gear oil
(from the final drive assembly)
2. Place the vehicle on a suitable
stand so that the rear wheel is ele-
vated and then spin the rear wheel.
Is the wheel bearing damaged?
Rear wheel bearings and shaft drive bear-
ings are probably not damaged. Repeat
the test or remove and check the compo-
nents.
3. Remove the rear wheel. Is the
wheel bearing damaged?
• Replace the rear wheel bearing(s).
• Refer to “REAR WHEEL” on page 4-20.
Remove and check the drive shaft
components.
1. Oil seal
2. O-ring
A. Forward
1
1
2
2
A
2
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