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20hp Honda bogs down under load.
https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=6&t=73135
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Author:  Jpl00311 [ Sat Oct 20, 2018 9:49 am ]
Post subject:  20hp Honda bogs down under load.

I have Gx620 on go devel frame. Motor runs good idles good when prop is out the water. Bogs down when I put in water. New carb, fuel pump, fuel filter, new hose. Looks to be getting food fire from both spark plugs. What all think?

Author:  aknative [ Fri Oct 26, 2018 8:38 pm ]
Post subject:  Re: 20hp Honda bogs down under load.

Is it over propped?

I had a 25 Kohler, a stop nut came loose somewhere and when I went to give it full throttle it would activate the choke and bog it down.

Author:  Russ [ Mon Oct 29, 2018 9:10 pm ]
Post subject:  Re: 20hp Honda bogs down under load.

Check the oil. Those things don't like too much oil. Other than that, likely culprit is simple, and carb related.

#CFFITR
#TheGhostBoat
#whoneedsphysicsihaveamudmotor

Author:  WI715 [ Tue Oct 30, 2018 4:12 am ]
Post subject:  Re: 20hp Honda bogs down under load.

Try to keep the bulb primed by hand every few seconds to see if that helps. I replaced the fuel pump, carb, and filter on my gx clone but it starve itself out of fuel after idling for a minute or under load. I put a low pressure electric fuel pump on, that solved my issue

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