gbuzz511 Posted May 24, 2010 Share Posted May 24, 2010 Can anyone help, Please ? On the YBR125 exhaust, there is a small metal pipe/tube welded on about half way, which connects to a rubber tube leading up to the engine. What is that for ?? What does it do ?? Thanks Link to comment Share on other sites More sharing options...
Hughsie Posted May 24, 2010 Share Posted May 24, 2010 Can anyone help, Please ? On the YBR125 exhaust, there is a small metal pipe/tube welded on about half way, which connects to a rubber tube leading up to the engine. What is that for ?? What does it do ?? Thanks This tube is an outlet from the Airbox. As far as I know, it dilutes the exhaust gasses to be more environmentally safe, but it also helps with performance. If you take the pipe off for a short while, the bike sounds a little louder, but the performance of the bike is horrendous. Best to keep it on and firmly tightened. Link to comment Share on other sites More sharing options...
gbuzz511 Posted May 24, 2010 Author Share Posted May 24, 2010 Yes, I thought it was something like that. Many thanks Link to comment Share on other sites More sharing options...
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