RCMK Parts

RCMK Crankshaft Standard length 28mm RCMK Starter Pulley Nut2
RCMK Crankshaft Standard length 28mmRCMK Starter Pulley Nut2

The RCMK Crankshaft Standard length 28mm "R254" crank and connecting rod material is 20CrMo as same piston pin meterial. it is not common steel material. The crank shaft bearing and the connecting rod bearing are larger for more durability.

RCMK Starter Pulley Nut2

$57.00

$7.20

Zenoah Redline CNC Mod Piston 28.5cc, 29.5cc, 30.5cc RCMK Collet ST - R right Hand Thread
Zenoah CNC Modified Piston 28.5cc, 29.5cc, 30.5ccRCMK Collet ST - R right Hand Thread

This is the Redline CNC Modified 25.4 piston. Very light in weight, allowing a quicker throttle response and more rpm. Maintains strength and durabality. This piston can be used on any modified or stock Zenoah 260 PUM motor.

Collet ST - R right Hand Thread - for R254 engine REAR EX

$45.00

$16.50

Rcmk Evo Cylinder RCMK Evo Cylinder Kit
Rcmk Evo CylinderRCMK Evo Cylinder Kit

The new evo cyl with new ex port shape and timing. New transfer port shape.direct bolt on for you Rcmk S-254,Sx-254,R-254 this is for the cyl only.

The new evo cyl kit with new ex port shape and timing. New transfer port shape.direct bolt on for you Rcmk S-254,Sx-254,R-254 and your Zenoah 260/231 comes complete with everthing shown in the picture.

$89.00

$119.00

RCMK Gas engine optional Short Venturi RCMK K30 Cylinder
RCMK Gas engine optional Short VenturiRCMK K30 Cylinder

RCMK Gas engine optional Short Venturi (RED)

RCMK K30 Cylinder

$25.00

$96.00

RCMK K30 Piston 36MM (rear exhaust) RCMK K30 Piston Pin Side Exhaust
RCMK K30 Piston 36MM (rear exhaust)RCMK K30 Piston Pin Side Exhaust

RCMK K30 Piston 36MM (rear exhaust)

RCMK K30 Piston Pin Side Exhaust

$32.00

$3.50

RCMK K30R Piston pin for Rear Exhaust RCMK K30RZ Cylinder
RCMK K30R Piston pin for Rear ExhaustRCMK K30RZ Cylinder

K30R Piston pin for Rear Exhaust

RCMK K30RZ Cylinder

$4.80

$98.00

RCMK Needle Roller Bearing KT 17 23 11(pair) RCMK Piston Pin Spacer
RCMK Needle Roller Bearing KT 17 23 11(pair)RCMK Piston Pin Spacer

RCMK Needle Roller Bearing KT 17 23 11(pair)

Piston pin spacer for all RCMK crankshafts.

$35.00

$3.00

RCMK Piston Ring S, SX, R, RZ 254 Piston Ring RCMK R254 & K30R Option Kit
RCMK Piston Ring S, SX, R, RZ 254 Piston Ring RCMK R254 & K30R Option Kit

Piston Ring fits: RCMK S, SX, R, RZ 254, Zenoah piston ring for 34mm engines. Fits G260RC / G260PU / G260PUH / G260PUM engines. Also fits Chung Yang 26cc engines. PMW part # 4310R. Zenoah part # T2088-41210.

RCMK R254 & K30R Option Kit

$6.00

$139.00

RCMK R254 Engine Mount RCMK RZ 254 Cylinder
RCMK R254 Engine MountRCMK RZ 254 Cylinder

RCMK R254 Engine Mount

S-254 A four bearing crankcase with hardware, case gasket and bearings.

$48.00

$91.00

RCMK S-254 Crankcase RCMK Stroker Crank 1mm
RCMK S-254 CrankcaseRCMK Stroker Crank 1mm

S-254 A four bearing crankcase with hardware, case gasket and bearings.

1mm Stroker Crank RCMK for marine engines. increasing primary compression and increasing power.

$68.00

$72.00

RCMK Throttle Arm RCMK Wristpin Bearing
RCMK Throttle ArmRCMK Wristpin Bearing

RCMK Throttle Arm

Wristpin Bearing, will fit any RCMK Engine.

$6.20

$3.50

Rear Exhaust Kit for Zenoah 260

This kit is setup to turn your engine into a rear exhaust racing engine.

$595.00