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 idle issue

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tsheep2
Squinternotto
Squinternotto
tsheep2

Posts : 6
Join date : 2020-07-08
Age : 51

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PostSubject: idle issue   idle issue Icon_minitime1Tue Sep 01, 2020 2:45 am

Fuelled up, went for a ride around 100km long. re- fuelled and carried on.
Didn't thrash it, stopped at the lights in taupo and it just dropped a cylinder.
Has done it before, give it about a minute of one cylinder running & it comes right.
Took it down a back road, nice and twisty and gave it a fair bit of welly....all good.

Have noticed under hard acceleration pulling rpm around 6500 it seems to be starved of fuel or leaned out.
Ease of the throttle and accelerate slowly goes around to red line.

It has had a re-map but i'm thinking it's not been done right.
Airbox has extra holes...where do i start without doing a beetle re-map.

cheers terry
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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 7395
Join date : 2013-05-29
Age : 63

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PostSubject: Re: idle issue   idle issue Icon_minitime1Tue Sep 01, 2020 3:34 am

Firstly, check the throttlebodies for signs of molestation. Secondly, ditch the 'Open Airbox' mod and fit a new air filter.

Then perform a full service/tune. This requires a manometer and a laptop with Guzzidiag or equivalent and cables to suit.

Judging from your description it sounds like your throttlebodies May of been molested.
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lablame
Squinternotto
Squinternotto
lablame

Posts : 6
Join date : 2019-09-29

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PostSubject: Re: idle issue   idle issue Icon_minitime1Tue Sep 01, 2020 11:02 am

When I bought the GRiSO, I could get the price lower because it was or no idle or on one cylinder.

The bike did not go over 6500 rpm. It has only a Mistral exhaust, no re map.

I tried buying an electronic piece that permits to enrich fuel and used it 6 months but it has been expansive (200€) and more or less useful. I had a great idle but still cannot go over 7000 rpm.

The final and more economical way to solve it has been to remap it.
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tsheep2
Squinternotto
Squinternotto
tsheep2

Posts : 6
Join date : 2020-07-08
Age : 51

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PostSubject: Re: idle issue   idle issue Icon_minitime1Thu Sep 03, 2020 1:08 am

Thanks guys, i'll look into things soon. What i have found so far is a dynajet power commander 5.
Is that standard or aftermarket and are they any good?
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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 7395
Join date : 2013-05-29
Age : 63

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PostSubject: Re: idle issue   idle issue Icon_minitime1Thu Sep 03, 2020 2:11 am

They are snake oil spruiked by charlatans as well as being obsolete technology.

The end.

Bill Hagan likes this post

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tsheep2
Squinternotto
Squinternotto
tsheep2

Posts : 6
Join date : 2020-07-08
Age : 51

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PostSubject: Re: idle issue   idle issue Icon_minitime1Thu Sep 03, 2020 10:11 pm

Thanks capo.
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PJPR01
GRiSO Capo
GRiSO Capo
PJPR01

Posts : 57
Join date : 2018-04-24

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PostSubject: Re: idle issue   idle issue Icon_minitime1Fri Sep 04, 2020 10:53 am

In addition to all of the above, check spark plugs and plug wires as well for any cracking. When in doubt, replace with fresh items.
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