nigeldavis
New member
I have a 43' yacht with a
I have a 43' yacht with a 4jh2e and a KM4a gearbox. The engine was fitted in around 1994 but I don't have any paperwork. I want to fit a new feathering prop but need my gearbox ratio for correct sizing. Is there anyway I can ascertain the gb ratio from the serial numbers etc or should it be stated on the casing somewhere?
I have a 43' yacht with a 4jh2e and a KM4a gearbox. The engine was fitted in around 1994 but I don't have any paperwork. I want to fit a new feathering prop but need my gearbox ratio for correct sizing. Is there anyway I can ascertain the gb ratio from the serial numbers etc or should it be stated on the casing somewhere?