Hi Joshua,

The Saito is a great motor. Please follow the instructions with regard to running in R I C H to the letter. I will bet the noise you heard was a backfire and the nut coming loose.

The spinner can be modified to suit your prop. Dremel to the ready.

Once the motor is primed, with the glow plug igniter removed wind the motor backwards until you feel the compression. Now power up the plug and flip the motor backwards. It will fire and start forward. When the motor is run in you will find the back fires go away and unless you change fuel, plug or prop size will not need any tuning. Dont forget to set the tappets after run in.

Out of the box you will probably find the low speed adjust is super rich. Not an issue for run in but my last two new Saitos required considerable adjustment once run in for smooth transition.

Cheers,

Colin