mike1714 Posted April 2, 2012 Share Posted April 2, 2012 I have the above and I am looking to replace the existing airfilter for an after market type K&N filter only because the original air filter has the rubber perishing which means a new replacement unit is needed. My question is............will the carburettor need to be retuned with the new airfilter as I would of thought the airflow would be more efficient and hence the mixture leaner? Can anybody guide me here please. Many thanks Mike Quote Link to comment Share on other sites More sharing options...
stevec Posted April 2, 2012 Share Posted April 2, 2012 I doubt it. The original isn't much of a filter anyway, more of an airbox to reduce induction noise with a gauze over the inlet to keep large particles out. You may even find that the k&n is more restrictive. It'll probably be noisier. Quote Link to comment Share on other sites More sharing options...
mike1714 Posted April 3, 2012 Author Share Posted April 3, 2012 Steve what you're saying there is no element inside the airbox then? Hmmm.........will crack it open to see? Many thanks Mike Quote Link to comment Share on other sites More sharing options...
stevec Posted April 3, 2012 Share Posted April 3, 2012 Nope, no element. I've run my Top 80 on the ground without the box. It doesn't half make a racket. I'd stick with the standard box if I were you. Also, if you mean the rubber between the carb and airbox, I think that is a seperate part (at least it is on the Top 80) which should be available on it's own. Steve Quote Link to comment Share on other sites More sharing options...
mike1714 Posted April 3, 2012 Author Share Posted April 3, 2012 steve cool thanks Mike Quote Link to comment Share on other sites More sharing options...
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