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motor swap trouble!

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chelecq
L Plate Warrior



Joined: 13 Mar 2013
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PostPosted: 19:37 - 13 Mar 2013    Post subject: motor swap trouble! Reply with quote
I just swapped out my 87 cbr 600 engine with an identical motor. Now it seems the coils are out of sync with the new engine. I had to splice into the stator connector with plugs into the rectifier.All the wires are yellow, do they have a certain order, need help any tip is helpful since this is my first project! BTW im new here as well Very Happy
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Bike Bunker
World Chat Champion



Joined: 28 Oct 2010
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PostPosted: 20:17 - 13 Mar 2013    Post subject: Reply with quote
perhaps timing is out? or ignition pickup is not in correct position ? Thumbs Up
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Casper
World Chat Champion



Joined: 12 Jul 2010
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PostPosted: 20:55 - 13 Mar 2013    Post subject: Reply with quote
Bike Bunker wrote:
perhaps timing is out? or ignition pickup is not in correct position ? Thumbs Up


That ^^ or you have been a diddy and got the HT leads mixed up.
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chelecq
L Plate Warrior



Joined: 13 Mar 2013
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PostPosted: 21:16 - 13 Mar 2013    Post subject: Reply with quote
I didn't open the new engine, I purchased it completely assembled. All i did was put on my original carbs. The bike turns over but does not start. I checked for spark on the #1 plug, strong spark. The bike has only back-fired with a loud explosion and fire out the exhaust.
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Casper
World Chat Champion



Joined: 12 Jul 2010
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PostPosted: 23:06 - 13 Mar 2013    Post subject: Reply with quote
chelecq wrote:
I didn't open the new engine, I purchased it completely assembled. All i did was put on my original carbs. The bike turns over but does not start. I checked for spark on the #1 plug, strong spark. The bike has only back-fired with a loud explosion and fire out the exhaust.


That can happen when the HT's are the wrong way round. Double check.
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