KTM125   Kit includes
1 head body, 2 domes, 1 o-ring kit
Head brackets

Order your kit from parts listed below

1998-2001 Head body
2002-2007 Head body

OS8 o-ring kit fits all years

TB1 Head Bracket

Dome selection flat top piston (see note)
T10 8.2cc
T11 7.6cc
T12 6.7cc
T13 5.8cc
T14 5.0cc

Note
Heads colors are red, blue, black, gold and aluminum
T11 dome is closest to stock compression these domes use o-ring seal, the max bore is 56mm
Dome modification for big bore available see FAQ