Suzuki RM125 Owner's Service Manual page 84

• Tighten the cylinder nuts to the specified torque according to
the specified tightening order as shown.
 Cylinder nut: 25 N·m (2.5 kgf-m, 18.0 lb-ft)
• Install the exhaust valve rod 2 to the exhaust valve shaft.
• Tighten the exhaust valve rod bolt using the pin A as a stop-
per.
 Exhaust valve rod bolt: 4.5 N·m (0.45 kgf-m, 3.0 lb-ft)
NOTE:
The pin A is one of the included parts.
• Install a new gasket and tighten the exhaust valve rod cover
bolts.
• Apply grease to new O-rings and install them to the cylinder.
 99000-25010: SUZUKI SUPER GREASE "A"
• Install the cylinder head.
NOTE:
Apply Bond to the stud bolt threads when assembling the
removed stud bolts into the cylinder.
 99000-31140: SUZUKI BOND "1207B"
• Tighten the cylinder head nuts to the specified torque in two
steps according to the specified tightening order as shown.
 Cylinder head nut
Initial: 15 N·m (1.5 kgf-m, 11.0 lb-ft)
Final: 25 N·m (2.5 kgf-m, 18.0 lb-ft)
• Reassemble the engine mounting brackets.
 Engine mounting nut 3: 45 N·m (4.5 kgf-m, 32.5 lb-ft)
Engine plate nut 4: 43 N·m (4.3 kgf-m, 31.0 lb-ft)
• Reassemble the exhaust pipe. (5-8)
• Engine coolant level (2-10)
(or equivalent grease)
CYLINDER, PISTON AND EXHAUST VALVE 6-11
Forward
1
4
3
5
2
3
2
1
4