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Hey guys. Here's my o7 525 that I've owned from new. Used it as a dirt bike for about 12 years before doing a resto/sm conversion. Replaced half the bike with new parts including an elusive NOS tank. (tank not fitted in this pic.) So just when I thought I was finished the right main bearing decicded to let go. Only one thing to do i that instance. Build a 600 stroker using a Thumper racing ultra light billet stroker crank and a custom CP piston. The head was very well ported at the same time and a hot cam added. It already had a 41mm carb fitted with an emulsion tube. Will have it out for the maiden voyage today with the new motor. The next thing will be a better front brake set up and maybe a devtech swingarm......this build will probably never end but it's fun. Certainly not as speccy as a lot of bikes on here but I'm pretty chuffed with where it is at this stage.
155762
 

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I am following closely as I am in the process of the same build, can’t wait to hear a review of the new motor!
 
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