Bike won't idle and runs like its on one cylinder

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Spike_africa
Minimoto racer
 
Posts: 68
Joined: Fri Nov 18, 2016 12:06 pm
Location: Sarasota,FL USA

Bike won't idle and runs like its on one cylinder

Postby Spike_africa » Thu Aug 01, 2019 1:02 am

Started up and ran great cold. Rode it 10 minutes to a friends house to ride together. Go to leave and it just runs like its dropping a cylinder. I've got a feeling its ignition related because its puffing smoke on hard acceleration. But its weird. Runs ok then just drops power and won't idle unless I hold the throttle. Any common things to check before I pull it apart and ohm out the coils and grounds?

Thanks!
2007 SD 990
2009 Triumph Street Triple

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No. 47
Master of the twisties
 
Posts: 3034
Joined: Sat Jan 10, 2009 5:14 pm
Location: London and Kent

Re: Bike won't idle and runs like its on one cylinder

Postby No. 47 » Thu Aug 01, 2019 8:16 am

First check if it actually is running on one cylinder - other faults can produce similar results - and, if so, search 'running on one cylinder' in technical and how to do it sections - lots of info. available eg my long running saga here viewtopic.php?f=5&t=23929&hilit=RUNNING+ON+ONE+CYLINDER
'08 ex-Battle race KTM Superduke 990 R No.47
'08 OE KTM Superduke 990 R
'01 Ducati 996S

Spike_africa
Minimoto racer
 
Posts: 68
Joined: Fri Nov 18, 2016 12:06 pm
Location: Sarasota,FL USA

Re: Bike won't idle and runs like its on one cylinder

Postby Spike_africa » Wed Sep 11, 2019 1:49 pm

Haven't had a chance to pull the tank etc.. and figure this out. Will follow your advice and check that.
2007 SD 990
2009 Triumph Street Triple


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