NC 30 not starting. Help please!

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batchelor
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NC 30 not starting. Help please!

Post by batchelor » Thu Nov 22, 2018 7:32 pm

NC30 start fine today.
Took it out for a ride.
Then it started to run a bit rough after 20 min or so.
I carried on marking my way home. It was a bit hit or miss on how it was running.
Then it stopped and would not start.
After a bit of pushing I gave it a go and started but was rough.
Anyway off I went then it stopped again. Bit more pushing.
Then tried start and started. This time I made it home.
But now it will not start.
Any ideas?

magg
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Re: NC 30 not starting. Help please!

Post by magg » Fri Nov 23, 2018 12:58 am

Flat battery, lights bright, check battery voltage?

st22041967
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Re: NC 30 not starting. Help please!

Post by st22041967 » Fri Nov 23, 2018 11:53 am

Embarrassingly I had this

I had left the fuel tap on reserve! So it ran until it ran out of juice. I left it for a few minutes (allowing the tiny remainder of fuel to fill the carbs again). Then It started and ran for a bit then finally conked out (Obviously).

Please let me know if this is what happened to you as I don't want to feel like the only idiot in Kent!

batchelor
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Re: NC 30 not starting. Help please!

Post by batchelor » Fri Nov 23, 2018 3:25 pm

Battery is new and was turning the engine over.
I have fuel in the tank. Wish it was no fuel as I pushed it past 2 fuel stations.

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CMSMJ1
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Re: NC 30 not starting. Help please!

Post by CMSMJ1 » Fri Nov 23, 2018 6:33 pm

vacuum hose either loose, or collapsing in the heat. so, check that... :)
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The V4 is the law..

NC30 - No9 - my old mate

magg
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Re: NC 30 not starting. Help please!

Post by magg » Fri Nov 23, 2018 10:13 pm

My mistake, engine cranks but does not fire, fuel tap vacuum issue perhaps or tank vent blocked.

batchelor
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Re: NC 30 not starting. Help please!

Post by batchelor » Sun Nov 25, 2018 3:08 pm

Right. Update
Fuel tap checked and working
Fuel dumped and replaced with 5 litres of fresh
Carbs off stripped and cleaned
Think I’m save to say I have.
When I was turning it over it was firing on 1 cylinder.
Any more ideas out there? Please

batchelor
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Re: NC 30 not starting. Help please!

Post by batchelor » Sun Nov 25, 2018 4:15 pm

Just had it running on 2 cylinders
Front right and rear left

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CMSMJ1
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Re: NC 30 not starting. Help please!

Post by CMSMJ1 » Sun Nov 25, 2018 9:27 pm

Is your vacuum hose in good condition?

Be wary of flooding, or otherwise fouling the plugs. You'll be needing to take them out to dry.

Tap will flow with a hose that is "ok" but unless you can be sure there are no splits, then you'll not get enough fuel.

When you took carbs off- was there fuel in each of them?
IMPERATOR REX ANGLORUM

The V4 is the law..

NC30 - No9 - my old mate

batchelor
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Re: NC 30 not starting. Help please!

Post by batchelor » Mon Nov 26, 2018 6:42 am

Vac hose in good condition.
Plugs are getting wet.


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