KTM 250 300 380 SX EXC (1998-2026) Crankshaft Bearing Collar Spacer Seal O-Ring

KTM 250 300 380 SX EXC (1998-2026) Crankshaft Bearing to Collar O-Ring

A new O-ring to fit on the righthand side of the crankshaft between the main bearing and the collar.

The o-ring supplied is marked on the diagram as part "1" - No other parts are supplied.

This O-ring prevents oil/air passing between the transmission side and the crank side, this can be problematic if it isnt changed each time the collar is removed. O-rings are single use.