The RD Book

Words and Resources for Yamaha RD Motorcycles


Here are a few images from a recent top-end rebuild of my 1977 Yamaha RD400. She had a seizure and it was time to take her up to 2-over bore with Wiseco 64.5mm pistons, rings, bearings and wrist pins. I got the kit on eBay for about $200. The packaging was so nice I saved most of it. Unwrapping new pistons is as exciting as unwrapping Christmas presents when you were 5 years old.

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