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Hi folks! I am building a Yamaha XS850 engine into an 896cc via a big bore kit. I got the new pistons and rings from CruzinImage and was pleased with their quality. However, when I measured the end gap in the rings, I found them to measure 0.014". The factory specification calls for 0.008" -...

Well - I finally pulled the trigger after months (years?) of lurking here and other sites. Found a 1977 XS750 that came with 2 XS850 engines and the nice standard tank, not the teardrop style. The engine in the bike supposedly runs, the one on the floor does not but seems like it would with...

Hi guys. The subject line says it all. Im thinking its the CB750 but are there others out there? Im looking for more than just tires and levers, things like cams, pistons, ignition systems, etc. Thanks, Tom B

Hello - I will likely come into a 1982 Yamaha 550 Maxim that my father in law parked in the mid 90's. It will likely need an engine rebuild and was wondering the following: 1. Does anyone know where I can get new pistons? 2. Does anyone know if the block can be bored for 650cc or 750cc...