RRP motor mount help

[JetManiac]

Helping a customer who doesn't have his hull yet.

What is the best size for motor mount to plate bolts for RRP hulls?

 

[2HIGH4U]

Mine are 25mm with nylok nut,that's with 3 or so threads sticking through

 

[JetManiac]

Mine are 25mm with nylok nut,that's with 3 or so threads sticking through

Thanks!