Checking The Transmission Unit - APRILIA QUASAR 125 2003 Workshop Manual

QUASAR 125-180

3.6.15 CHECKING THE TRANSMISSION UNIT

Check that the following gears:
- reverse gear shaft (1)
- forward gear shaft (2)
- clutch shaft (3)
- forward gear toothed gear (4)
- gear selector lever (5) and gear disengagement mechanism (6)
- reverse gear toothed gear (7)
- chain sprocket shaft (8)
are not worn. Change those parts which are excessively worn.
Check bearings for scores and seizure. If necessary, change them.
Check that gear selector can run smoothly and, in case of malfunctioning,
change it.
Release 00/2003 - 09
2
1
4
5
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8
ENGINE
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