yamaha to honda bolt pattern

[trx450r ryder]

i know honda to yamaha is easy but how do u get the holes centered 4 yamaha 2 honda??? :confused:

[trx450r ryder]

ok i figured out how to do the rear and got it done,but i looked at the front and their is no notches on the hub,so wat do i do to get the front hub centered so i can drill holes ???