BTS Repair
Cylinder / Piston / Decompression Valve
wc_tx000305gb.fm
27
10. Cylinder / Piston / Decompression Valve
10.1 Dismantling/mounting the cylinder / piston
See Graphic: wc_gr001408 and wc_gr001409
Dismantling the cylinder
10.1.1
To dismantle the cylinder, unscrew the 4 screws (1) from the cylinder
foot.
10.1.2
Pull cylinder off crankcase and piston.
Dismantling the cylinder - piston
10.1.1
Remove piston pin securing ring (2) from the annular slot in the piston
using pointed pliers. Push piston pin out.
Note: During assembly, make sure the securing ring clicks completely
into the groove.
Mounting the cylinder - piston
10.1.1
When mounting piston, the arrow on top of the piston has to point in
direction of muffler.
Note: Before assembling the piston ensure that the cylinder base
gasket (3) is fitted correctly.
Mounting the cylinder
10.1.1
Position the fork (4) of the piston ring tightening device (0117575) onto
the crankcase. Press the piston ring together using the ring clamp.
When positioning the cylinder, push the ring clamp away downwards.
10.1.2
After positioning the cylinder, tighten fixing screw with a torque of 10
ft.lbs. (14 Nm) (b).
1
1
2
wc_gr001408
3
Summary of Contents for BTS 1030-8339
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Page 38: ...Torques BTS Repair wc_tx000327gb fm 36 ...
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