z200txrc wont run

[captgarysr]

engine will run with key in crank position but wont run if you let key switch go back to run position

 

[99yam40]

Key switch would be the 1st thing I would be checking.
Something is getting power in start position, but not in run position.

But it never hurts to monitor fuel rail pressure, spark, and injector firing to see what is missing to narrow down what to be looking for.

 

[captgarysr]

found problem dirty fuel, strang it would with key in crank position.... thank you for reply