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  1. M

    Aviation Gasoline (100LL), Good or Bad for Carbureted BF40A?

    I have been running ethanol-free 90 octane gas treated with Seafoam Marine in my 1998 BF40A. It runs well. It is more convenient for me to find 100 octane aviation gas (100LL). I would appreciate any experience/opinions about using 100 octane aviation gasoline (100LL) in this engine.
  2. M

    New Water Pump Worked, Then Stopped!!!!

    I just installed a new Honda water pump kit and OEM thermostat in my BF 40A. With ear muffs on and the cav plate intake taped off, I ran the engine for 10 minutes with a steady, strong discharge from the water tell-tale. I stopped the motor. When I restarted it 30 seconds later, there was...
  3. M

    1998 Honda BF40 Throttle Position When Stored

    I have a 1998 carbureted, manual choke, Honda BF 40, with a top mounted, Honda control on the center console. I would like to store it with the throttle control in the full forward, advanced position (to minimize the height profile). Will this create a problem? Thank you!
  4. M

    BF60 or 50??

    I'm planning to re-power 20 foot Downeast CC skiff with either a BF60 or BF50. It currently runs a 1998 BF40, which powers her adequately. I am familiar with the stats of both motors (including the weight difference). I would really appreciate thoughts from anyone that has experience with...
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