Flywheel lighten models up to 1975
Fits models /6, R90S up to September 1975. The mounting srews are M11x1.5 .
The starter gear has 8 teeth and the flywheel have 93 teeth.
The BMW weight is approx. 3750 gr and we reduce the weight approx. 1070gr. The weight after the machining will be approx. 2500 gr.
Please send us your flywheel in exchange.