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Old 04-29-2015, 03:13 PM   #1
sweenrace OP
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High Pitched noise coming from GasGas

Hi All,

I have this strange intermittent noise coming from my bike (GasGas Pro '09). Its a high-pitched, squeeling type of noise related to the fan or coolant system. Sometimes when the bike warms up and the fan comes on I hear this noise briefly (2~3 secs). Today it happened a couple of times after the bike was warmed up. My guess it is related to a bearing in the fan itself but I welcome suggestions from the gurus here!

Best
Ian
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Old 04-29-2015, 05:56 PM   #2
broncobowsher
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I thought all Gas Gas bikes made squealing noises from the cooling fans from the moment they were built?

Dry bearing. I recall someone had a fix by getting some oil into the bearings. Every Gas Gas that is a few years old gets that problem. Yea, just a bad cooling fan. If the oiling trick doesn't fix it, time for a new one.
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Old 04-29-2015, 06:00 PM   #3
NMTrailboss
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Quote:
Originally Posted by broncobowsher View Post
I recall someone had a fix by getting some oil into the bearings. Every Gas Gas that is a few years old gets that problem.
http://advrider.com/forums/showthread.php?t=1037356
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Old 04-29-2015, 06:07 PM   #4
lineaway
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just spray it with wd40
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Old 04-29-2015, 07:34 PM   #5
laser17
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Sweenrace, if you do a search, you will find some threads on here and trials central about taking the fan motor out and getting some lube into the bearing. It usually only a temp fix, but YMMV.
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Old 04-29-2015, 08:17 PM   #6
nevgriff64
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I've heard quite a few high pitched noises coming from GasGas bikes…


9/10 times its just the owners.
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Old 04-29-2015, 09:03 PM   #7
lineaway
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Old 04-30-2015, 08:58 AM   #8
sweenrace OP
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Thanks to everyone for the quick diagnoses. I'm going to assume it is the fan bearing rather than the bike's owner :)
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Old 04-30-2015, 09:37 PM   #9
SammyD
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Coolant overflow hose from the radiator cap dropping down and interfering with the fan blades. Happened to me, yer welcome!
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Old 05-07-2015, 08:12 AM   #10
Sting32
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Quote:
Originally Posted by sweenrace View Post
Hi All,

I have this strange intermittent noise coming from my bike (GasGas Pro '09). Its a high-pitched, squeeling type of noise related to the fan or coolant system. Sometimes when the bike warms up and the fan comes on I hear this noise briefly (2~3 secs). Today it happened a couple of times after the bike was warmed up. My guess it is related to a bearing in the fan itself but I welcome suggestions from the gurus here!

Best
Ian
fan can be lubed. or you can try to low dollar motor replacement, read this thread over at TRIALS CENTRAL on how to do it.

http://www.trialscentral.com/forums/...r-replacement/
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