Product Description
Yamaha FS1/FS1E Athena 43mm Alloy Cylinder Kit.
This is the old Eurocilidro cylinder that was available in the late 80's, but now made by Athena.
Very good quality piston & cylinder, comes complete with gaskets set. Original Yamaha little end bearing can be a tight fit between the shoulders of the piston where the gudgeon pin goes through, use little end bearing PM1806 to allow 0.50 clearance.
