HYOSUNG Aquil GV650 Service Manual page 78

3-35 ENGINE
◉ GEARSHIFT SHAFT
Disassemble and reassemble the gearshift shaft as
shown in right picture.
◉ TRANSMISSION
▣ INSPECTION
◈ GEAR-SHIFTING FORK
Using a thickness gauge, check the clearance between
the groove of its gear and shifting fork.
The clearance for each of the three shifting forks plays
an important role in the smoothness and positiveness of
shifting action.
If the clearance checked is noted to exceed the limit
specified, replace the fork or its gear, or both.
Shift fork-groove
0.10~0.30 mm
clearance
(0.004~0.012 in)
Shift fork groove width
NO.1 & NO.2
NO.3
Shift fork thickness
NO.1 & NO.2
NO.3
Vernier calipers : 09900-20101
Thickness gauge : 09900-20806
▣ REASSEMBLY
Assemble the countershaft and drive shaft in the reverse
order of disassembly. Pay attention to following points :
NOTE
Before installing the gears, coat lightly engine oil
to the driveshaft and countershaft.
Service limit
Standard
0.50 mm
(0.020 in)
Standard
4.85~5.00 mm
(0.191~0.197 in)
4.85~5.00 mm
(0.191~0.197 in)
Standard
5.3~5.4 mm
(0.209~0.213 in)
5.3~5.4 mm
(0.209~0.213 in)