KTM 690 2008-2010 Tuning kit Stage2

Tuning kit 2

CP piston kit of the extra class 102 mm. Compression 11.8:1. The pistons are supplied with matching piston rings, pins and clips.

The cylinder is honed with special diamond honing stones. The cylinder honing is necessary with regard to the correct running

clearance and the surface roughness corresponding to the piston ring. The cylinder head is revised; the valve seats are milled to

optimize flow and the transitions are optimized to increase performance. Including combustion chamber and channels glass bead

blasting.