WELL???
Mr CB is asking a question?
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| motor running weak under a load http://mudmotortalk.com/mmt_v2/viewtopic.php?f=3&t=27851 |
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| Author: | bullsprig [ Thu Mar 22, 2012 10:18 am ] |
| Post subject: | motor running weak under a load |
A friend of mine is having trouble with his longtail motor. It seems to run fine out of the water, but once his prop digs in he claims the motor acts as if it's bogged down runs with no power/low rpms. He knows how to clean out a carb and assures me that all of the jets are clean. After that, Im of no help to him. Any suggestions? |
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| Author: | duckduckboom [ Thu Mar 22, 2012 10:25 am ] |
| Post subject: | Re: motor running weak under a load |
sounds like it is firing on one cylinder. |
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| Author: | cb5331 [ Thu Mar 22, 2012 11:37 am ] |
| Post subject: | Re: motor running weak under a load |
What motor is it? |
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| Author: | cb5331 [ Thu Mar 22, 2012 11:40 am ] |
| Post subject: | Re: motor running weak under a load |
If its that Honda that Zane was messing with during duck season, I told them to cut the plunger off the solenoid or plug the hole with a bolt. Is it that same motor? Did he ever do that? |
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| Author: | Migrator [ Thu Mar 22, 2012 11:43 am ] |
| Post subject: | Re: motor running weak under a load |
WELL??? Mr CB is asking a question?
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| Author: | bullsprig [ Thu Mar 22, 2012 11:47 am ] |
| Post subject: | Re: motor running weak under a load |
I am verifying the motor right now. I do think it is the same motor but not 100% sure. |
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| Author: | bullsprig [ Thu Mar 22, 2012 11:48 am ] |
| Post subject: | Re: motor running weak under a load |
It is the 24 honda. |
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| Author: | cb5331 [ Thu Mar 22, 2012 12:03 pm ] |
| Post subject: | Re: motor running weak under a load |
If they never took that solenoid out, I'm almost certain that's what is causing his problem. |
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| Author: | Team Camo [ Thu Mar 22, 2012 2:07 pm ] |
| Post subject: | Re: motor running weak under a load |
Tell Zane if he aint gonna listen, he shouldn't ask for suggestions. 
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| Author: | cb5331 [ Thu Mar 22, 2012 2:14 pm ] |
| Post subject: | Re: motor running weak under a load |
Its not Zane's motor. Its one of their buddies, but Zane did call during duck season about it and it sounds like its still the same problem. If they never messed with that solenoid I'll bet that's what it is. I talked to them yesterday but didn't realize what motor it was until we hung up the phone. He says Carb is clean and it has good spark. |
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| Author: | bullsprig [ Thu Mar 22, 2012 3:05 pm ] |
| Post subject: | Re: motor running weak under a load |
| Author: | cb5331 [ Thu Mar 22, 2012 3:13 pm ] |
| Post subject: | Re: Re: motor running weak under a load |
| Author: | Team Camo [ Thu Mar 22, 2012 3:38 pm ] |
| Post subject: | Re: motor running weak under a load |
| that's right. Ftr, if it ain't that, check for air leaks in the hose, loose fittings, etc. Also check for intake air leaks. If not that, go back to basics & do a leak down test. Sent by carrier pigeon. |
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| Author: | Puddle jumper [ Thu Mar 22, 2012 11:59 pm ] |
| Post subject: | Re: motor running weak under a load |
Im in late on this one but could he have too big of a prop on it, maybe a bad prop shaft bearing or your sure its somthing else? Somtimes I overlook the simple things, were all guilty of it! |
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| Author: | bullsprig [ Fri Mar 23, 2012 1:33 pm ] |
| Post subject: | Re: motor running weak under a load |
Don't think it's the prop. The prop has been on this unit for a while so it's probably something new. |
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| Author: | cb5331 [ Fri Mar 23, 2012 1:35 pm ] |
| Post subject: | Re: motor running weak under a load |
Did he ever mess with the solenoid? |
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| Author: | bullsprig [ Mon Mar 26, 2012 10:27 am ] |
| Post subject: | Re: motor running weak under a load |
Yes. Same problem. Weird. |
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| Author: | cb5331 [ Mon Mar 26, 2012 10:48 am ] |
| Post subject: | Re: motor running weak under a load |
| Author: | farmfuel [ Wed Mar 28, 2012 9:19 pm ] |
| Post subject: | Re: motor running weak under a load |
No one mentioned the governor adjustment. The loss of rpm under load= incorrectly adjusted governor. I see this quite frequently on Toro's with horizontal Kohlers. After they get a couple of hours on them, its time to adjust them. I know his motor is a Honda twin, but the principle is the same. I know on the Honda singles, there's not really a whole lot of choices as to governor spring relocation, but maybe the Honda twins allow for different spring positions? On the Honda single cylinders, you move the throttle to WOT, then turn the governor shaft clockwise (rotate it the same direction as the throttle linkage pivots). I hope it helps. |
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