Suzuki RM125 User Manual

6-10 CYLINDER, PISTON AND EXHAUST VALVE
• Install the exhaust valve assembly to the cylinder.
• Inspect the main and side valves for smooth movement.
• Inspect if the side valves are closed when the main valve is
lowered and, at the same time, see if the side valvs are open
when the main valve is lifted.
• Install the exhaust valve shaft 1, springs 2 and valve shaft
arm 3.
• Tighten the exhaust valve shaft bolt.
• Install the exhaust valve shaft stop retainer 4.
• Install a new gasket and the exhaust valve cover 5 with hose
clamp 6.
• Install the breather hoses.
CYLINDER REASSEMBLY
• Install the dowel pins and new gasket 1.
• Apply engine oil to the cylinder bore.
• With Holding the piston and piston ring, insert the piston into
the cylinder.
CAUTION
If the piston ring end is not at the proper position, you
can not insert the piston into the cylinder properly and
the piston ring will be damaged.
Locate the piston ring end to the locating pin and
insert the piston into the cylinder.

Suzuki RM125 Specifications

General

Ignition	CDI
Front Tire	80/100-21
Rear Tire	100/90-19
Displacement	124 cc
Front Brake	Single disc
Rear Brake	Single disc
Overall Width	830 mm
Seat Height	950 mm
Engine Type	2-stroke, single-cylinder