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General Category >> Rubber Side Down! >> a strange noise on shutdown
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Message started by vargas on 04/04/09 at 20:12:43

Title: a strange noise on shutdown
Post by vargas on 04/04/09 at 20:12:43

when i turn the key off i hear the pfft backfire - then a whirring noise. never heard it before. transmission is in neutral when i shut it off.clutch is in. any clues, hints?

Title: Re: a strange noise on shutdown
Post by T Mack 1 on 04/04/09 at 20:33:06

Could it be coming from the left side lower engine area..... if so, it might be the starter clutch spinning down...

If not.... hmmm.... where is it coming from......

Title: Re: a strange noise on shutdown
Post by vargas on 04/04/09 at 21:01:17

starter clutch?? hmm. idk. starter has a clutch?
seriously , never heard it before.i was (am) afraid im riding around with the starter engaged. last week whn it stopped , it stopped. now (backfire) wining down noise
. it's got one week left on warranty.

Title: Re: a strange noise on shutdown
Post by verslagen1 on 04/04/09 at 21:12:50

The sound you're hearing is the engine running backwards. The starter has a one way clutch and when the engine runs backward it will engage causing the starter to turn

What year is your bike?

If pre '95, then you don't have a torque limiter on your stater and running backward can cause damage to your engine. If so then try to kill the engine rotation with the clutch as the engine winds down.

If '95 or newer, don't worry about it.