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 2008 GRiSO

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Dan
Squinternotto
Squinternotto
Dan

Posts : 2
Join date : 2019-12-01

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PostSubject: 2008 GRiSO   2008 GRiSO Icon_minitime1Sun Dec 01, 2019 4:44 pm

G'day was hoping some one could tell me why my GRiSO only fires on one cylinder below 3000rpm when hot.
any help would be greatly appreciated
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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 6526
Join date : 2013-05-29
Age : 62

2008 GRiSO Empty
PostSubject: Re: 2008 GRiSO   2008 GRiSO Icon_minitime1Sun Dec 01, 2019 5:44 pm

Either the plug cap is arcing on one side or the tappets are so fucked the mixture is incombustible.

Pete
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GuzziSteve
Fra Cristoforo
Fra Cristoforo
GuzziSteve

Posts : 257
Join date : 2016-04-14

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PostSubject: Re: 2008 GRiSO   2008 GRiSO Icon_minitime1Mon Dec 02, 2019 8:48 am

No indication which G it is ???? G11 or G12. Maybe it ate the airfilter in 1 side cuz a critter was living in the airbox. They all had bad wires, even seen them unplug from coil. Not much to go on at all.

Has it been tuned up at all or just hammered on?
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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 6526
Join date : 2013-05-29
Age : 62

2008 GRiSO Empty
PostSubject: Re: 2008 GRiSO   2008 GRiSO Icon_minitime1Mon Dec 02, 2019 9:31 am

His avatar says 1200-8V Steve.
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Dan
Squinternotto
Squinternotto
Dan

Posts : 2
Join date : 2019-12-01

2008 GRiSO Empty
PostSubject: Re: 2008 GRiSO   2008 GRiSO Icon_minitime1Mon Dec 02, 2019 12:57 pm

It runs great over 3000rpm. it will rev right out, but when I stop at traffic lights its missing and does not want to idle.


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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 6526
Join date : 2013-05-29
Age : 62

2008 GRiSO Empty
PostSubject: Re: 2008 GRiSO   2008 GRiSO Icon_minitime1Mon Dec 02, 2019 1:18 pm

Has it had a decent tune up in living memory? Have you checked the valve clearances? As I said though unless it's been rollerised doing anything to it is pretty pointless.
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