rdchair Posted May 3, 2008 Report Share Posted May 3, 2008 Hi I have been to see an o1 mont, looks like its had an easy life and was really keen till he started it, the top end was quite noisey with a vibey whirr noise, is this normal, or piston wear or something more ominous The bike otherwise is nice and runs/pulls well. worst case how much to remedy. Quick reply apreciated thankyou. Quote Link to comment Share on other sites More sharing options...
motovintage Posted May 5, 2008 Report Share Posted May 5, 2008 as a 315R owner I would have to say it's not a normal sound, too hard to tell what is the problemb from here Quote Link to comment Share on other sites More sharing options...
widrace Posted May 6, 2008 Report Share Posted May 6, 2008 RDCHAIR, The 'quite noisey with a vibey whirr noise' could well describe my 02 315 until I put a new piston in it. An expensive piston at that. Quote Link to comment Share on other sites More sharing options...
rdchair Posted May 7, 2008 Author Report Share Posted May 7, 2008 It transpired it was the mains rumbling!! walk away!! thanks those who replied and pm'd me Quote Link to comment Share on other sites More sharing options...
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