NC30 running on 2 Cylinders
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- Site Supporter
- Posts: 32
- Joined: Tue Apr 21, 2009 2:19 pm
- Bike owned: NC30
- Location: Aberdeen
NC30 running on 2 Cylinders
I wonder if anyone can give me an idea of a couple of easy things to check first rather than cleaning the carbs.
I started my NC30 after several weeks & it only fired upon 2 cylinders, both front pipes are cold.
I only bought it 6 months ago but been assured this hasn't happened before as it's been extremely well looked after.

I started my NC30 after several weeks & it only fired upon 2 cylinders, both front pipes are cold.
I only bought it 6 months ago but been assured this hasn't happened before as it's been extremely well looked after.

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- Senior Member
- Posts: 1218
- Joined: Tue Apr 29, 2008 9:13 pm
- Bike owned: ftr223 650 bros
- Location: Surrey
Re: NC30 running on 2 Cylinders
2 front cylinders dead would suggest ignition coil or LT supply to it.
Will it run OK on choke?
Rev the engine to see if the front 2 chime in at higher revs, if so carb pilot circuit could be blocked.
Possibly the plugs, but I have found they pack up one at a time, but remove them to check for spark anyway.
Will it run OK on choke?
Rev the engine to see if the front 2 chime in at higher revs, if so carb pilot circuit could be blocked.
Possibly the plugs, but I have found they pack up one at a time, but remove them to check for spark anyway.