colin1212 Posted May 9, 2010 Report Share Posted May 9, 2010 Im getting a loud noise from my bike. no idea where its coming from but sounds like the engine. it starts and go's fine but after about 20 minutes the noise starts. it sound like a loose bolt but its louder than the engine. Quote Link to comment Share on other sites More sharing options...
tt5th Posted May 10, 2010 Report Share Posted May 10, 2010 Sorry if this sounds a bit simple but - it's not your fan coming on is it? They can make quite a noise. Quote Link to comment Share on other sites More sharing options...
razz Posted May 10, 2010 Report Share Posted May 10, 2010 I get (what we believe to be) a bit of piston slap in my '06 Raga, when the motor gets good and hot....usually indicates it's time for me and the bike to take a little rest/cool down break. Sounds like a little bolt is rattling around inside the motor. Richening the fuel mixture just a tad helps a bit in mine, I run closer to 75:1 when the weather gets hotter around here, with no ill-effect. Quote Link to comment Share on other sites More sharing options...
razz Posted May 10, 2010 Report Share Posted May 10, 2010 On my bike, the sound goes away when I pull in the clutch, does yours? Quote Link to comment Share on other sites More sharing options...
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