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riceboy131 · 07-30-2021, 08:42 PM

my 2005 gz250 sounds like it is knocking under heavy accel i cant pinpoint the sound since i have to be riding it. its kind of a hard high pitched thud and sounds like pre detonation. i dont know how or if you can adjust the timing so i cant check if it is infact pre det. there is also a loss of power at about 1.500 rpm if anybody knows what thats about
the bike only has 4k miles on it

07-30-2021, 08:42 PM	#1
riceboy131 Junior Member Join Date: Jul 2021 Posts: 2	knocking under acceleration my 2005 gz250 sounds like it is knocking under heavy accel i cant pinpoint the sound since i have to be riding it. its kind of a hard high pitched thud and sounds like pre detonation. i dont know how or if you can adjust the timing so i cant check if it is infact pre det. there is also a loss of power at about 1.500 rpm if anybody knows what thats about the bike only has 4k miles on it Login or Register to Remove Ads Last edited by riceboy131; 07-30-2021 at 08:43 PM. Reason: for got mileage
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