View Full Version : Motor whines....
89'350RX
09-22-2005, 06:31 AM
My 2004 400ex motor has a whine that sounds like a supercharger running....any thoughts on what it may be?
The whine is more noticable on the oil filter side
cals400ex
09-22-2005, 12:31 PM
these bikes have that whine. i believe it is the oil pump but i could be wrong. mine did it the most after i first started it and drove it for the first 5 minutes or so.
wvspeedfreak
09-22-2005, 01:36 PM
Yep,they all sound like that.Especially when they are new.
JDiablo
09-22-2005, 02:03 PM
Thats the turbo :o
ZeroLogic
09-22-2005, 02:09 PM
Originally posted by 300exrida
Thats the turbo :o
my school bus dose that!!:p
89'350RX
09-22-2005, 03:43 PM
Thanks!
400ex100
09-28-2005, 06:54 PM
It is you timing chain
mikeboone
09-28-2005, 08:19 PM
My 460 did that! Turns out the shop left a washer/shim of clutch pack around basket and alingment was off. Verify yours with shop manual. Their are several and they have diff. thicknesses.
My 460 sounded like a gear drive on a drag car:p
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