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

Note:
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.