Dropping a cylinder randomly no1

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morj58
Posts: 3
Joined: Sun Jul 01, 2018 4:49 am
My Bike: zxr400rr m4

Dropping a cylinder randomly no1

Post by morj58 »

Hi Guys after a little insight, 94 M4 , running h model harness and cdi, (1270)just replaced cdi, rebuilt carbs new plug etc keep dropping no1 at random any suggestion
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banner001
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Track day God
Posts: 2584
Joined: Sat Sep 24, 2011 3:27 pm
My Bike: ZXR400 L4
Location: Nuneaton

Re: Dropping a cylinder randomly no1

Post by banner001 »

Try swapping the #1 and #4 leads over and see if the problem moves to cylinder #4.

My guess would be bad HT leads or plug cap
UK ZXR400 L3 (1993) - Fully restored and on the roads, my green beast!
JPN ZXR250 A2 (1990) - Revs to 19,200rpm... 'nuff said :smt003
morj58
Posts: 3
Joined: Sun Jul 01, 2018 4:49 am
My Bike: zxr400rr m4

Re: Dropping a cylinder randomly no1

Post by morj58 »

Thanks for the reply will try again just in case, unfortunately the cdi was purchased in may 2017 and only just fitted, might have to find another 21119-1270 cdi any suggestions im in Oz
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