(Ii) Inspection - Baja WD250U Service Manual

(I) Trouble
• Trouble judging guidance
Performance
1. The vehicle appears to stop or there is irregular
axial run-out with an abnormal noise while the
vehicle accelerates, decelerates, or is in idle state.
(Make sure not to confuse with engine trouble)
2. The vehicle makes an obvious boom sound at
low speed and "Wu Wu" sound when decelerating
or accelerating. There is also a regular snap from
the case body.
3. The rear wheel can not rotate and the
transmission shaft jams
CAUTION:
"A", "B", and "C" are difficult to judge because the performance is very subtle and it's difficult
to distinguish them from normal operating noise. Remove these parts for special inspection if
you think they may have been damaged.

(II) Inspection

1. Check abnormal noise:
The following noises may indicate mechanism trouble
a. Boom when vehicle is sliding, accelerating, or decelerating. The noise is not direct ratio with
higher engine and transmission case speed, but is direct ratio with rear wheel speed.
b. "Wu Wu" noise is different when accelerating or decelerating.
Cause: Incorrect assembly or teeth clearance is too small.
CAUTION:
Noise must differentiate from normal operating noise of vehicle.
Judgment: Teeth of gear cracked
WARNING:
You should stop driving immediately if there is any doubt that the gear teeth cracked. This could
mean that the transmitting components are jammed by gear fragment and it is possible to lose
control of the vehicle, possibly injuring the driver.
2. Check following condition:
a. Drain the lubricating oil
Possible Reason
A. Damaged bearing
B. Improper clearance
C. Damaged gear
D. Driving shaft breaks
E. Gear teeth break
F. Jam caused by
shortage of lubricating
oil
G. The gear is jammed
by foreign matter
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