F4:Rattling Noise in Engine - Sportbike Forum: Sportbike Motorcycle Forums
 
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post #1 of 4 (permalink) Old 06-29-2000, 04:00 AM Thread Starter
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Location: Lawrenceville, GA, 30045 USA
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Question

I have a 99' F4 that has about 4k miles on it. At around 10,000 rpm (in any gear) I hear a loose rattling noise. Does anyone know what this is? Could it be the exhaust valve noise that the 929RR has?

I've also heard the ticking sound that some of you have said that you've heard.

Please help !

1RedRider

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post #2 of 4 (permalink) Old 06-29-2000, 04:21 AM
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Lightbulb

One think I do know is it's not the exhaust valve, the F4 does not have the HVIX system like the 929RR has.
I notice a rattle when I get past 10,000 also, but it sounds normal to me, it doesn't sound like anything out of the ordinary.

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post #3 of 4 (permalink) Old 06-29-2000, 04:33 AM
 
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hey,
i believe that the rattling sound that you mention at higher rpm's is from the key, which vibrates in the key hole.
some people have gotten rid of the sound by shooting some WD-40 into the key-hole.
i havent heard the rattle as such on my bike. anyone know of any problems arising from spraying WD-40 down the key hole????

as far as the ticking noises are concerned. some F4's have had those problems. result of over-tightening of the cams and you should definitely take it to the dealer while the bike is still under warranty.

hope this helped..

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arif
'99 F4
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post #4 of 4 (permalink) Old 06-30-2000, 02:23 AM Thread Starter
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Thanks for the help guys!
I'll try the WD40, but I really think the sound is coming from the engine.

"1Red"

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