O’Reilly Auto Parts – New Cylinder Head Bundle for HONDA CRF70 XR70 CT70 C70 ATC70 TRX70 S65 70CC 50CC

Cylinder Head for Honda CRF70 XR70 CT70 C70 ATC70 TRX70 S65 ( 50cc Large Bore / 70cc Small Bore )

Fit For:

for Honda S65

for Honda TRX70

for Honda ATC70 1978-1985

for Honda C70 1980-1983

for Honda C70 1971-1972

for Honda CRF70F 2004-2009

for Honda CRF70F 2011-2012

for Honda CT70 1969-1994

for Honda XR70R 1997-2003

Product Description:

A Complete New Standard Sized Replacement Cylinder Kit
100% New. and never been used.
New Cylinder head Kit fit for Honda ATC70 CT70 TRX70 CRF70 XR70 70CC 72CM3
Replaces Existing Cylinder Assembly. just replace and ride again.

Size:
Outer Bore Size: 47mm
Inner Bore Size: 39mm
Intake Valve Outside Diameter: 23mm / Length 66mm
Exhaust Valve Outside Diameter: 20mm / Length 66mm

This head can be used on either a 50cc or 70cc engine. But Please note that it is for Domed 50cc or Flat Top 70cc.
If you have a 50cc engine:
There are 2 different 50cc Cylinder heads for Honda. Compare the Combustion Chamber Size shown below. to your current head. This head will only work with DOMED pistons.
If you have a 70cc engine:
There are 2 different 50cc Cylinder heads for Honda. Compare the Combustion Chamber Size shown below. to your current head. This head will only work with FLAT TOP pistons.