Philmorgs Posted September 20, 2017 Share Posted September 20, 2017 my gs500 has started making a strange sound when hot, its a sort of metallic slap but only at idle, doesn't happen all the time but it is noticeable when it is there.it only happens at idle any sort of throttle it goes away. oil has always been checked and is at correct level. i have tried changing the oil plugs and filter but the noise persists. seems like its happening near the top of the engine but hard to tell. any help would be grateful guys!2004 GS50018000 miles Quote Link to comment Share on other sites More sharing options...
megawatt Posted September 20, 2017 Share Posted September 20, 2017 Carb balance? Quote Link to comment Share on other sites More sharing options...
Philmorgs Posted September 20, 2017 Author Share Posted September 20, 2017 cheers for the reply mate, if it was carb balance would it not happen constantly? just spoke to a few people and they have said the CCT? but i assumed that would be a constant noise also Quote Link to comment Share on other sites More sharing options...
fastbob Posted September 20, 2017 Share Posted September 20, 2017 Having just googled"GS500 engine noise" I'd be more concerned if it wasn't making a strange noise ! Seriously though, I'd go with carb balancing as well just to see if you can tune the noise out first. After that I'm thinking cam chain wear. Quote Link to comment Share on other sites More sharing options...
Philmorgs Posted September 20, 2017 Author Share Posted September 20, 2017 i will have to get it booked in at my garage and let them sort the carbs! hopefully not to expensive cheers guys! Quote Link to comment Share on other sites More sharing options...
fastbob Posted September 20, 2017 Share Posted September 20, 2017 i will have to get it booked in at my garage and let them sort the carbs! hopefully not to expensive cheers guys! It would be cheaper and more satisfying to buy some gauges and do it yourself. The bike is a twin so there's only one adjuster screw to twiddle.http://i.imgur.com/EComsar.png Quote Link to comment Share on other sites More sharing options...
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