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Running on 1 cylinder when hot


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Banshee runsd fine for 10 mins or so

but when it gets ot it seems to run on 1 cylinder down low

idle seems fine, maybe misfiring a tad, but down low it loses all response and runs on 1 cylinder

however when it hits powerband its fine pulls good, but a little flat if anything

so it just bogs down at low rpm at any gear, and the longer you keep going after it starts happening the worst it gets

been right through the carbies, everything is mint

only possible tihng i can think of is low speed coil in the stator

any1 else had any similar issues?

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Not to be an a**hole but do a search on the boards. There have been many threads about one cyclinder not firing. Every problem has had a different solution but the steps for trouble shooting are almost the same. or the first step......look at your jetting........It would be greatly beneficial if you gave us some stats on where you are locatied and what has been done to the motor.

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no probs mate

fair comment

im in perth western australia

motor is stock

only mods are k and n filter

200 main jets

not sure on pilot jet size

couldnt find much on searching, but maybe im not searching the right thing!

im pretty sure its not a fuel related problem

but you never know

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no probs mate

fair comment

im in perth western australia

motor is stock

only mods are k and n filter

200 main jets

not sure on pilot jet size

couldnt find much on searching, but maybe im not searching the right thing!

im pretty sure its not a fuel related problem

but you never know

Switch your plug wires and see if the problem switches also.

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yeah done most of the obvious stuff, trimmed leads, checked caps, replaced plugs, carbs are mint, clean as a whistle

its only happens after 10 mins of riding which is the bit which is different to most other peoples problems

it will be fine for 10-15 mins, and the start missing down low but be fine on powerband, and as you keep going, obviously bike getting hotter it gets worst, until itll only run on 1 cylinder almost all the time

so im thinking that spark is not string enough to fire both cylinders as it gets hotter, which makes me think low speed coil?

however most of the time it will idle ok?

one occurence happened where its mainly the right side that wont run, but i watched it swap sides to the left, and fire the left at idle for a while and then it swapped back to the left

so its as if theres not enough to fire both cylinders at once when its hot? plug wire swapping seems to make no difference

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