Not a super mod but she run 74mph, mariner 30hp 689 model75644
Type: Posts; User: Dvdracing; Keyword(s):
Not a super mod but she run 74mph, mariner 30hp 689 model75644
40hp class
68423
Roflhat,
Solution was too simple then overlook
Race all day long with engine no overheating issue
6842068421
Mike,
We successfully with this design since 30 years ago , over 500 racers in our region did with this system , the whole ideal was only block the gas exit to the bearing carrier, seal the mouth...
Mike,
We successfully with this design since 30 years ago , over 500 racers in our region did with this system , the whole ideal was only block the gas exit to the bearing carrier, seal the mouth...
We submerged only half of the gearcase in the water, Yes ! water flow up, however need some modification internally, seal the exit gas at bearing carrier, seal & block the gas passage at upper and...
What power gain to be expect ?
New intake system for new project 30hp yamaha68418
Hi Mike,
I am working on research converting Yamaha 30hp x 2 cylinders, also plan converting a 56 omc in future
Dearest All,
What steps to consider if converting stock motor to pro = alcohol / methanol / nitromethane ?
Regards,
Dvd
I just need the gears for spares
My question is this nitro lower not the bolt
Can anyone confirm if this is nitro lower with 15:28 gears ?6309763098