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Author Topic: MGX-21 running rough  (Read 6510 times)

pete roper

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Re: MGX-21 running rough
« Reply #30 on: August 03, 2019, 06:04:04 PM »
Mark, I got asked yesterday by a friend of Jude's if I could work on a Flying Fortress as a friend's husband has one they bought from 'You Know Who' in Sydney and it 'Doesn't run very well'. Anyway with a bit of luck we'll have a local test bed soon.

Pete
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beetle

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Re: MGX-21 running rough
« Reply #31 on: August 04, 2019, 01:26:26 AM »
 :thumb:
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Offline Luap McKeever

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Re: MGX-21 running rough
« Reply #32 on: August 04, 2019, 05:54:59 AM »
I cleaned the plugs up yesterday and also put the original map back on. I haven't had a chance to take it for a test ride yet because of floods but should be able to today. Stay tuned...
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Past Guzzi's: 72 Eldo, 73 Eldo, 98 EV, 2000 Quota, 76 T3, 84 V65C, 98 Centauro,  09 Stelvio, 12 Stelvio, 17 MGX21

Offline Luap McKeever

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Re: MGX-21 running rough
« Reply #33 on: August 04, 2019, 06:19:18 PM »
Update:  Cleaning the plugs and putting the OEM map back on did the trick. The fortress is flying again.  Guess the map was a bit too rich, but it sure took its time to rear its head. I've rode for probably 10,000 miles on the new map without a problem. Heck, even 1000 miles ago when I checked the plugs they looked just fine.  Something had to have taken place.

But, as of now its running awesome.  Thanks all for the advice...
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Owner, Wildguzzi.com (est. 1998)
2021 V85TT Centenario E5
2001 California Special
2001 California EV
2020 Indian Challenger Limited
2008 Hyosung GT650R (for grandson)

Past Guzzi's: 72 Eldo, 73 Eldo, 98 EV, 2000 Quota, 76 T3, 84 V65C, 98 Centauro,  09 Stelvio, 12 Stelvio, 17 MGX21

Offline Chet Rugg

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Re: MGX-21 running rough
« Reply #34 on: August 04, 2019, 10:57:38 PM »
quit hoppin that shit up. : :copcar:
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Chet Rugg
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Offline SportsterDoc

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Re: MGX-21 running rough
« Reply #35 on: August 25, 2019, 09:41:24 AM »
Plug reads are easy, cheap and can be a good diagnostic tool.
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