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Force 125 - verifying no cross fire

FstaRockr Burns

Regular Contributor
Hi - I have a 125 at the shop.. starts runs, spark on all 4 - on a 4 cyl I mark the firing order every 90 degrees and check each plug wire to see if the number jumps in and out (cross fire) -

I noticed it jumps around a bit- motor starts runs fine, but put any power on it and it dies..

Also is the 30 degree (middle mark) timing spec during cranking/plugs out+grounded right?

Any way to test the cdi unit?
 
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