Suzuki RM250 Owner's Service Manual page 92

• Install a new gasket.
• Install the return spring with its end engaged the groove of the
exhaust valve shaft and the other side the spring cap.
• Temporarily tighten the bolts B.
• Turn the spring cap 180° clockwise and tighten the bolts B to
the specified torque.
 Return spring cap bolt: 4.5 N·m (0.45 kgf-m, 3.0 lb-ft)
• Apply engine oil to the exhaust side valve.
• Install the exhaust side valve C, stopper pin D and new gas-
ket E.
• Tighten the exhaust valve cap bolt F to the specified torque.
 Exhaust valve cap bolt: 4.5 N·m (0.45 kgf-m, 3.0 lb-ft)
NOTE:
Make sure that the yellow painted side valve C is installed on
the right and the white painted side valve is installed on the left.
• Install the pin G.
NOTE:
Move the exhaust side valve fully to outer side.
CYLINDER, PISTON AND EXHAUST VALVE 6-17
Spring cap
Yellow