ksithumper Posted March 25, 2006 Report Share Posted March 25, 2006 I'm desperate for a crankshaft, ok if it needs a rebuild. Can anyone help? I'm told 350 MAR cranks are different - can anyone confirm/deny/tell me if it can stil be used? Cheers Quote Link to comment Share on other sites More sharing options...
woody Posted March 29, 2006 Report Share Posted March 29, 2006 I can't confim for definite whether they differ. I had a 350 Gripper with a damaged crank and had a good 350 MAR crank. I was told different tales by different people as to whether the cranks were the same, whether the pistons were the same etc. I couldn't see any difference between the two cranks but unfortunately lost the Gripper piston so couldn't compare it to one from a MAR which I then had to use. All I can tell you is that the bike never ran the same as it did before. Although it was worn and rattled a lot when I bought it, it seemed to pull well and the motor seemed strong and picked up well. With the new crank and piston it always seemed rough, couldn't get it smooth and the pick up was sluggish. Never could get to the bottom of it so it is possible there was/is some difference between the two models. If you are in the UK, there is no-one that I know who has a detailed knowledge of Ossas that can answer this question. Try one of the USA Ossa specialists such as Keith Lynas or Hogans, as they have been in continous involvement with Ossas since the 70s and may have part number catologues to confirm whether they are the same or not. Probably have the parts too. You will find their contact details on the bottom of the home page on this site Mats Nyberg's Ossa Webpage Quote Link to comment Share on other sites More sharing options...
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