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 » Sun Jul 01, 2018 5:21 am

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
Track day God
Track day God
Posts: 2234
Joined: Sat Sep 24, 2011 3:27 pm
My Bike: ZXR400 L4
Location: Nuneaton

Re: Dropping a cylinder randomly no1

Post by banner001 » Mon Jul 02, 2018 3:02 pm

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 ZXR 400 L4
UK ZXR 400 L3 track bike
1989 FZR 1000 EXUP-R streetfighter

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

Re: Dropping a cylinder randomly no1

Post by morj58 » Tue Jul 03, 2018 2:13 am

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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