nosecone, the story begins.

This is the good ref to order the shims! (25 & 30 hp) +0.50 std

These are the messures of the original shims.

inside is; 39.5mm (side poulie)

outside is; 50mm (side poulie)

inside is; 49.50mm (side flywheel)

outside is; 60mm (side flywheel)