Yamaha PW50W 2007 Service Manual page 110

CYLINDER HEAD, CYLINDER AND PISTON
1
3. Install:
9 Cylinder 1
NOTE:
While compressing the piston rings with one
hand, install the cylinder with the other hand.
9 Gasket
9 Cylinder head
4. Tighten:
9 Cylinder head nut
NOTE:
Tighten the cylinder head nut 2 stages and in
a crisscross pattern.
5. Install:
9 Spark plug
6. Tighten:
9 Spark plug
7. Install:
9 Spark plug cap
9 Exhaust chamber assembly
5-17
ENG
10 Nm (1.0 m•kg, 7.2 ft•lb)
20 Nm (2.0 m•kg, 14 ft•lb)
9 Nm (0.9 m•kg, 6.5 ft•lb)