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6-9hp LT Owners got a?
https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=6&t=19778
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Author:  pearl river outlaw [ Wed Jul 06, 2011 12:06 pm ]
Post subject:  6-9hp LT Owners got a?

Does your motor vibrate like hell when about half throttle or so? I just put a new motor and all on mine along with new U joints and yokes. Before I did this it vibrated a little but now man it's bad!!!! Once the motor is wide open it plains out but damn when it's at half throttle it feel like it's running a jack hammer.

The original yoke (that went from motor to the u joint) that was on this motor had two set screws the new one only has one set screw I'm thinking that this is the reason why it is so bad! Should I try to balance the yoke out or something?

O yeah and this is a GD motor to not a home made rig.

Author:  keys1222 [ Wed Jul 06, 2011 2:07 pm ]
Post subject:  Re: 6-9hp LT Owners got a?

yep. just run it wide open and be done with it :D

Author:  sftull [ Wed Jul 06, 2011 2:55 pm ]
Post subject:  Re: 6-9hp LT Owners got a?

mine is home made and like your's it vibrates pretty bad until about 3/4 throttle. Thats why I run it wide ass open.

Author:  garjacker [ Wed Jul 06, 2011 7:35 pm ]
Post subject:  Re: 6-9hp LT Owners got a?

could be bent shaft or unbalanced prop but if its like my 9hp lifan clone. it vibrates at just above idle. but i think it has to do more with the single cylinder slinging sidways. my 16 vanguard runs like a cadillac compared.

Author:  fishon!! [ Thu Jul 07, 2011 8:16 pm ]
Post subject:  Re: 6-9hp LT Owners got a?

i had a 11hp tecumseh w/ vertical cylinder that vibrated at 3/4, the new greyhound 11hp w/ slanted cylinder runs MUCH smoother. course im sure thats mostly cause the greyhound has overhead valves where the tecumseh didnt...

Author:  pearl river outlaw [ Fri Jul 08, 2011 7:26 am ]
Post subject:  Re: 6-9hp LT Owners got a?


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