KTM 690 2008-2010 Tuning kit Stage4

Tuning kit 4

KTM 690 Bigbore - tuning kit. New stage 2 camshaft. The cylinder is bored out to 104 mm and re-coated with LFC. CP forged piston

kit of the extra class 104.00 mm, + 2 mm oversize, compression 12.5: 1. The pistons are supplied with matching piston rings, pins

and clips. The cylinder head is revised to increase performance; the valve seats are milled to optimize flow and the transitions are

optimized to increase performance. Including combustion chamber and channels glass bead blasting. Including fine balancing of the

crankshaft.