Yamaha TZ250M1 Owner's Service Manual page 117

CYLINDER HEAD, CYLINDER AND PISTON
EC478100
PISTON AND POWER VALVE
9 Nm (0.9 mdkg, 6.5 ftdlb)
T
4 Nm (0.4 mdkg, 2.9 ftdlb)
T
T
1 Piston and piston ring removal
Extend of removal:
Extend of removal Order
1
2
12 Nm (1.2 mdkg, 8.7 ftdlb)
T
4 Nm (0.4 mdkg, 2.9 ftdlb)
Part name
PISTON REMOVAL
1 Piston pin clip
2 Piston pin
3 Piston
4 Small end bearing
5 Piston ring
6 Valve cover
7 Valve shaft
8 Power valve
9 Valve pulley
10 Circlip
11 Plain washer
12 Oil seal
13 Solid bush
2 Power valve removal
Q'ty
2ea.
1ea.
1ea. Refer to "REMOVAL POINTS".
1ea.
1ea.
1ea.
1ea.
1ea.
1ea.
2ea.
2ea.
2ea.
2ea.
4-19
ENG
Remarks