1500 se

dennislp · Post by **dennislp** » Mon Jul 21, 2014 3:15 pm

over 3500 rpm and putting the gas to it I have a knocking sound in back of motor but not all the time. has anyone run into it. can be loud.

Post by **WingAdmin** » Mon Jul 21, 2014 9:00 pm

dennislp wrote:over 3500 rpm and putting the gas to it I have a knocking sound in back of motor but not all the time. has anyone run into it. can be loud.

Is it only when the engine is under load (i.e. does it happen in 5th gear and not 2nd gear)?

dennislp · Post by **dennislp** » Mon Jul 21, 2014 9:11 pm

when you are under load in upper gears . like passing. has 60000 miles on bike

Post by **WingAdmin** » Mon Jul 21, 2014 9:58 pm

I'm suspecting it may be your universal joint, but next time you fuel it up, try putting premium in it. If it is in fact detonation, that should make it go away. If it's still happening with premium fuel, and it is in fact coming from the back of the engine, my guess is that your universal joint is on the way out - which means it's only going to get worse.

1500 se

1500 se

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