miss bud. .15 dyn. engine help!!!!!

[masonf24]

i have just purchased a used miss bud and it has been broken in but i am an idiot and messed with all the needle settings and cannot even get close to reaching a good combination. can someone just tell me what would be a great starting setting for the low and high. thanks and i also have another motor of the same one but when i started it i could not stop it so i just yanked out the fuel line to stop it. probably a bad idea. i am trying to run this boat in 45 degree weather. thanks :wave:

[Tsn_Homie]

Hey man, Hummm you prolly wanna start out at 2 1/4 or 2 1/2 turns out on top and right around the same on the low speed... i usually dont bring my low speed needle in though, ive had good luck with setting the low speed flush with the housing of the needle and going leaner from there. Thats pretty cold weather man so make sure your letting the engine fully warm up before you try and tune it. Also the water is most likely a lot colder than the air so i would think not to let water slash onto the hot engine, it might cause major damage.

Good luck!

[mjmsprt40]

i have just purchased a used miss bud and it has been broken in but i am an idiot and messed with all the needle settings and cannot even get close to reaching a good combination. can someone just tell me what would be a great starting setting for the low and high. thanks and i also have another motor of the same one but when i started it i could not stop it so i just yanked out the fuel line to stop it. probably a bad idea. i am trying to run this boat in 45 degree weather. thanks :wave:

Go with what Tsn said for the needle settings, that's a good start and then you tune from there.

About pulling the fuel line to stop it: That's actually a sound idea. You have a lean burst that way which you might think would cause damage, but it doesn't seem to affect things. More important, that allows the engine to use up nearly all the fuel it has in it and that's a good thing. Shutting down an engine with fuel left in the crankcase REALLY hurts it because corrosion sets in pretty quickly from water condensing in that fuel and creating acids. So, pull the fuel line and let the engine run dry. Then do the standard after-run maintenance at the end of the day and you'll have your engine for a long time.

About not being able to stop the engine (presumably with the radio), check your settings. With the throttle in the closed position, it should fully close the carb opening. If it does, then the second problem is that you could have the mixture a bit too lean. I assume here that you have a carberetor and not an exhaust throttle, of course. Personally, I've never been able to get an exhaust throttle to fully shut down an engine, I suspect too much leakage letting exhaust pressure escape around the barrel but I was never sure.