Yamaha WR250F Owner's Service Manual page 121

3. Install:
• Cylinder gasket "1"
• Cylinder "2"
Install the cylinder with one hand
while compressing the piston rings
with the other hand.
• Pass the timing chain "3"
through the timing chain cavity.
• Be careful not to damage the tim-
ing chain guide "4" during instal-
lation.
4. Install:
• Bolt (cylinder) "5"
Bolt (cylinder):
10 Nm (1.0 m•kg, 7.2
ft•lb)
CYLINDER AND PISTON
5-27