I was wondering if any on here could help someone that lacks knowledge.
I pumped fuel out of vehicle and placed it into my bike then later that day the idle rpm was at 1000 insted of 1500rpm. Then the rpm dropped and cut out. The next day it took longer to start it and then normally id twist the throttle and the rpm would raise straight away but it was very lagged and the rpm then dropped again and died out completely. Now the bike will not start at all .
I should add that the fuel has been used in other cars and they work, I know this could be the difference in the jet sizes. But the cars haven't missed a beat in the slightest.
Is there a common fault with the NC30 like the fuel pump or is it more likely to blocked carbs?
Thanks Pete.

was the fuel clean and not have any particles of gunk from the car tank? have you looked at the reg/rec? the battery? charging system? or even taken the plugs out to see if they are fouled? could also even be a faulty kill switch...may need to say what you've done or haven't done since the issue has arised so more knowledgable people than myself can help you

This sounds like a classic case of drowned plugs. These bikes do not like being tarted willy nilly. They also respond well to full choke, no throttle for starting.

Try and get all the plugs out, cleana dn dry them (oven, gas hob) and then try again using only the choke.

If not, as is always the top answer.......change the plugs

CMSMJ1 wrote:This sounds like a classic case of drowned plugs.

If the plug were drowned would they improve and begin to start working?

Causon67 wrote:If the plug were drowned would they improve and begin to start working?

not until they dry up, take the plugs out, leave them out over night any excess petrol in the cylinders will evaporate over night, and if your wife or mum allows stick them in the oven for an hour @ 150C to dry out.

stick them in,

FULL CHOKE NO THROTTLE ands she should start.