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Injectors not pumping-- Why?

2007 Yamaha Apex, Just got a new motor put a head shim on it.

Put the motor back into the sled.

Motor fired for a moment.

Has fuel pressure.

Has spark.

Will run if I squirt fuel in the inner cooler.

Injectors do not appear to be working.

Why Not??

Are there over rides that cause the injectors to not function?

Fuse?

Everything visible seems to be connected right.
 
any codes on your display?

no oil pressure will kill the injector pulse...is your oil pressure sending unit plugged in? or is there and air bubble in your oil feed line?
 
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