Hi,
I have recently bought and had installed a Yamaha F90. I've been given contradictory advice from people about whether I should run regular (87 octane), or premium (91 octane) gas in the motor. Currently, I'm running 87 octane. The boat will sit for 5-6 months each winter.
Thanks,
Peter
I have recently bought and had installed a Yamaha F90. I've been given contradictory advice from people about whether I should run regular (87 octane), or premium (91 octane) gas in the motor. Currently, I'm running 87 octane. The boat will sit for 5-6 months each winter.
Thanks,
Peter