Yamaha MZ250, Service Manual

Page: 66 / 118

3-32
ENG
PISTON, CAMSHAFT, CRANKCASE, AND
CRANKSHAFT
1
2
3
3
4
5
6
7
8
10 Nm (1.0 m · kgf, 7.2 ft · lbf)
27 Nm (2.7 m · kgf, 20 ft · lbf)
12 Nm (1.2 m · kgf, 8.7 ft · lbf)
30 Nm (3.0 m · kgf, 22 ft · lbf) 1st
2nd
27 Nm (2.7 m · kgf, 20 ft · lbf)
10 Nm (1.0 m · kgf, 7.2 ft · lbf)
Order Job/Parts to remove Q’ty Remarks
Removing the piston, camshaft,
crankcase, and crankshaft Remove the parts in the order listed.
Cylinder head assembly Refer to “CYLINDER HEAD COVER,
CYLINDER HEAD” on 3-21.
Flywheel Refer to “FLYWHEEL” on 3-13.
1 Crankcase cover 1
2 Gasket 1
3 Dowel pin 2
4 Clamp 1
5 Oil level switch 1
6 Flyweight shaft assembly 1
7 Clip 1
8 Governor shaft 1
PISTON, CAMSHAFT, CRANKCASE, AND CRANKSHAFT