I rescued the 550 from the wreckers last year rebuilt the engine last winter, no compression on 2 of the cylinders and the output shaft's splines were worn off. sold my record collection to put the money into it, still a couple little things to do to the engine, needs new electronic ignition the points are done. would like to swap out the cams to ones from a 650. I'm building it into a kind of cafe/brat bike, trying to get a Honda cbr 600 triple trees, forks, dual disk brakes to work with the frame and original rim, need to get some machining done to do it but I'm pretty sure I can get it to work. kinda stalled out on it due to lack of funds.
gs550-1.jpg
original condition
I acquired the 425 as payment for some mechanical work done for him. It had been sitting in a barn for 15 or more years, cleaned the carbs washed the dust and pigeon crap off it, changed the oil and got it running again. pulled the engine to give it a really good scrub and as i was cleaning it i discovered that the lower case half was broken by the sprocket, one of the bolt holes for the sprocket cover (also broken) is completely gone off the case half and the shifter shaft is bent, so I tore it apart would like to get new case halves, sprocket cover, shifter shaft. what I'd like to do is get the wiesco 844cc pistons, the bigbore cylinders for the 750. read about using these on another thread on this forum. bore out the cylinders to fit, use cams from a 500 twin or something degree cams, get a friend of mine to port and polish the intake for me. hard tail the frame using a kit from Voodoo vintage fabrication, kit is made for the 550 but I can make some small altercations to the kit and make it work with the 425 frame. might use a sportster front end might not.
I'm trying to get some more pictures up but its not working, might be to big I'll see what I can to do and get some more pics up.
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