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Like the title says I would like to convert my motorcycle back to oil injection. Premixing is getting old. So if you have an oil injection pump laying around let me know. Jeff

I'm looking for a replacement battery for my 1977 RD400. I would like a dry cell or AGM battery in order to not deal with battery acid. I have had some trouble trying to find one. I had the same issue with my old 1971 AT1-c. The battery I'm looking for is 12N5.5B-3A. Any idea where to look? I...

I'm looking at a RD400 that is in good overall shape. Its a little worn around where the tank touches the seat, but comestically in really good shape for a bike of its age. My concern is the bike doesn't run currently. Feels to have good compression, but supposedly it won't stay running. The...

I have a 1971 Yamaha AT1-c with eletric start. I am starting to gather parts to have the engine rebuilt. While I am having it rebuilt I would like to upgrade to a CT1 cylinder for more displacement. Can this be put on the stock bottom end of a AT1? Anyone know where to find piston kits for these...

I have a 1971 Yamaha AT1-c. I'm currently looking to restore/upgrade a bit. The engine will be rebuilt hopefully using a CT1 cylinder and piston kit to make it a 175 cc. I already have a expansion chamber for the bike. I am also looking update the suspension a bit. What is on there now is stock...