shercoben12 Posted November 15, 2014 Report Share Posted November 15, 2014 hi, our ossa 1975 250 mar has got a silver sammy miller exhuast on. it makes a right racket. very poppy and loud compared to our 348 mont. can you get an original one? would this be better? or any after market one? Quote Link to comment Share on other sites More sharing options...
feetupfun Posted November 15, 2014 Report Share Posted November 15, 2014 mine has an MCS universal two stroke muffler with one side flattened a bit to clear the tyre. It is not particularly quiet either Quote Link to comment Share on other sites More sharing options...
feetupfun Posted November 15, 2014 Report Share Posted November 15, 2014 It would take something pretty special to reduce the exhaust noise to that of a 348 Cota Quote Link to comment Share on other sites More sharing options...
shercoben12 Posted November 15, 2014 Author Report Share Posted November 15, 2014 its just a loud bang bang crackly noise from the ossa, the montesa has standard exhuast completly original low use bike. i know old bikes are not quiet as bikes go but its abnormaly loud. Quote Link to comment Share on other sites More sharing options...
feetupfun Posted November 16, 2014 Report Share Posted November 16, 2014 (edited) Maybe it would help you work it out if you listened to an OSSA with a standard muffler Edited November 16, 2014 by feetupfun Quote Link to comment Share on other sites More sharing options...
feetupfun Posted November 16, 2014 Report Share Posted November 16, 2014 Both the 348 and the OSSA are old bikes, but the standard 348 is a quiet old bike and the standard OSSA MAR is a noisy old bike Quote Link to comment Share on other sites More sharing options...
cleanorbust Posted November 16, 2014 Report Share Posted November 16, 2014 (edited) Cleaning and repacking silencer likely to help noise and performance if you can find a way of opening up and resealing the silencer. Edited November 16, 2014 by cleanorbust Quote Link to comment Share on other sites More sharing options...
2stroke4stroke Posted November 16, 2014 Report Share Posted November 16, 2014 The original Mk2 exhaust was a primitive expansion chamber with a steel bomb shaped tail silencer with a bayonet QD fitting and was very quiet for its day. Try running without the tail silencer, as per the Mk1, and you'll find out what a noisy bike is really like. I assume it's just the Miller tail silencer you have so an original tail silencer would fit but the chances of getting one are slim though I daresay there are a few lying under workbenches. Quote Link to comment Share on other sites More sharing options...
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