firing order and coils

93 Yamaha YZF 750 R discussion forum:


firing order and coils

firing order and coils 
scott Newman said 2008-06-18 14:41 
 
Hello everyone
I own a 1992(says on the frame 92 is it a 93 then?) yzf 750 and am having ignition problems. I have swapped out a cracked coil for a used one etc.. My timing light shows all wires firing but the 2 left cylinders(while sitting on the bike) are either 1.firing on the bottom of the stroke or 2.maybe CDI problem?. Those 2 exhause pipes are not getting hot while the other 2 would burn the fingers off ya.Trust me i have cooked flesh 2 prove it. LOL. I can,t see how i may have crossed wires and have the firing order mixed up but maybe i do. Can some one tell me firing order AND what coil wire etc.IE Left coil ,left wire here...right wire there...Right coil.Left wire here and right wire there. I drew a template befor removing them but maybe i screwed up. Thanks Scott 
 
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