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zxr400 randomly running on 2 cylinders

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RS2MATRIX
Spanner Monkey



Joined: 03 Apr 2008
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PostPosted: 18:38 - 04 Dec 2008    Post subject: zxr400 randomly running on 2 cylinders Reply with quote

Just started my bike for the first time in a few days. sounded rough and like a twin, so let it warm up a bit and it wouldnt idle at all, choke didnt seem to be working as normal and it was having different effects on the bike, so then found out the right two exhausts are hot and the left two cold. Sad
Whats going on Question
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RS2MATRIX
Spanner Monkey



Joined: 03 Apr 2008
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PostPosted: 21:10 - 04 Dec 2008    Post subject: Reply with quote

nothing seems obvious, ive never had anything like this before. Everything seems normal, should i try and swap the plugs over?
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TAX MY BRAIN
Nitrous Nuisance



Joined: 17 Aug 2008
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PostPosted: 21:25 - 04 Dec 2008    Post subject: Reply with quote

check the coils are not breaking down would be the first thing i would try Thumbs Up
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i also ride the local bike.............she's like a moped great fun to ride as long as your friends dont see you !!
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RS2MATRIX
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PostPosted: 21:42 - 04 Dec 2008    Post subject: Reply with quote

thanks, ill check for spark tomorrow when i have daylight, but wouldnt a dodgy coil mean that 1 cylinder on each side would go or have i got it wrong?
Smile
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2Smoke
Crazy Courier



Joined: 15 Apr 2005
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PostPosted: 11:25 - 05 Dec 2008    Post subject: Reply with quote

RS2MATRIX wrote:
thanks, ill check for spark tomorrow when i have daylight, but wouldnt a dodgy coil mean that 1 cylinder on each side would go or have i got it wrong?
Smile


Thats correct. Coils will feed in pairs, ie 1&4, 2&3. When was the bike last serviced?

Paul
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Currently in the stable.. '89 TDR250, 86 NSR250 '79 350LC, '79 DT175MX, 82, Pasola, '98 R1, '95 Speed Triple.. all of them total sheds..
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RS2MATRIX
Spanner Monkey



Joined: 03 Apr 2008
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PostPosted: 18:54 - 05 Dec 2008    Post subject: Reply with quote

gotta be a few months to be honest mate. Might get all the parts in and do it. Havent checked it today as i got called out this morning and just got back, weekend now so will have the weekend on it Smile
Thanks.
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