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September 23rd, 2010, 12:30 PM   #1
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Joined: Jun 2010
From: sunshine coast australia

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I Ride: Husaberg FE450 2009
09 450 knocking sound

I have an 09 450,when the bike is hot it makes a weird sound high up in the engine .
I had a leak down test done thinking piston slap but the test gave good results.(at 90 hrs probably needs one anyway)
Cold the engine hardly makes a sound.
I have 90 hours on it ,a dirt tricks chain tensioner ,valve clearances ok .
It goes like a rocket its just un nerving when it rattles/knocks when hot.
any thoughts?
Regards GWP
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September 23rd, 2010, 02:00 PM   #2
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Re: 09 450 knocking sound

guessing but... higher octane fuel as a test to see if it goes away?

Regards
Fizz
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September 23rd, 2010, 02:07 PM   #3
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From: Ely, England

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I Ride: Husaberg FE501e 2003
Re: 09 450 knocking sound

possible little end or rocker shaft wear of some sort. try running the motor for 20 seconds with the rocker cover(s) off.

regards

Taffy
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