Haynie Z21 in Progress

[huntin fool]

Originally Posted by Ray

Running wide open was one of the break in procedures for my motor.
I had to run at different RPM's for 5 minutes each, for 10 hours.
I had to run wide open for several cycles.
I didn't like to, but the dealer said it was how it was supposed to be done.
After that 10 hours, they said to run it how I wanted. It don't matter no mo.

On our jet ski's we ran, at certain RPMs for "X" amount of time. Just like you stated above.