cmb 21 L/S green head

[BobFerguson]

what size should the water exit hole be on the top of the motor, and starting pipe lenth on the cmb black spp pipe rigger is fire fighter prop is stock 1450.....................Bob Ferguson

 

[Nigtmare]

what size should the water exit hole be on the top of the motor, and starting pipe lenth on the cmb black spp pipe rigger is fire fighter prop is stock 1450.....................Bob Ferguson

You need to use a 1445.or h4,h5 with that boat...

Nick