In our MR50 master engine kit you get everything you need to rebuild the engine. All the engine shaft oil seals, all the gaskets, an oil drain washer, o-rings and the forged piston kit. We even throw in a new Honda top end bearing so you're ready for another 40 years of use! This is our best price for these pieces to save you some money over buying them individually. This combination comes with everything you see in all the pictures. These pieces are also sold separately.
Have your cylinder measured by a professional! This is not a big bore kit. To install this you will likely require a bore and hone of your cylinder.
1974-1975 Elsinore MR50
Choose bore size from 40.25mm (1st over), 40.50mm (2nd over), 40.75mm (3rd over), 41.00mm (4th over) or 41.50mm using the options before adding to cart