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| Need help http://mudmotortalk.com/mmt_v2/viewtopic.php?f=3&t=29573 |
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| Author: | Delta Goose [ Wed May 30, 2012 7:33 am ] |
| Post subject: | Need help |
I put a 2010 mb 35 hd mini on a 2006 excel 1754 125ga was only running 12 mph at 3850rpm's it was plowing the motor has twin pipes. I thought it should run atleast 20-25 with one person. I mounted the motor in the same place where the 45hd that was on it. I had a 1752 100ga with this motor on it and could 28 mph. Any help will be great. |
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| Author: | CJB [ Wed May 30, 2012 7:35 am ] |
| Post subject: | Re: Need help |
Check prop? |
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| Author: | Delta Goose [ Wed May 30, 2012 7:40 am ] |
| Post subject: | Re: Need help |
got some wear but not to much I just took the motor off one boat put on the other boat. If it ran good onthe other boat should it not run ok on this boat? |
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| Author: | CJB [ Wed May 30, 2012 7:43 am ] |
| Post subject: | Re: Need help |
Does the motor match the transom height? |
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| Author: | eljefe [ Wed May 30, 2012 7:50 am ] |
| Post subject: | Re: Need help |
transom height and angle.....if you can tell there is wear on the prop you are loosing speed. check bottom of boat its not performing on....sounds like a hook at the transom. |
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| Author: | Delta Goose [ Wed May 30, 2012 7:54 am ] |
| Post subject: | Re: Need help |
Yea both boats are tall transom. Its almost like I'm dragging the anchor it never really plained off. No hooks are anything boats slick. Tried moving weight around didn't help. |
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| Author: | Team Camo [ Wed May 30, 2012 8:07 am ] |
| Post subject: | Re: Need help |
If you were performing good yesterday on the old boat, & the ONLY thing you did was pull the motor & mount it on the new boat, but now it won't perform, new boat either has a hook, transom height doesn't match, or the flotation is so waterlogged it's overweight. On the other hand, if the old boat was really light weight, you could have leaking valves & just didn't notice because of light load. 1st thing to check, get a long straight edge & hold against the bottom of the hull & make sure there's no hook. Next,double check the transom height. If both are right, do a leak down test on motor. I'm betting on hook. |
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| Author: | Delta Goose [ Wed May 30, 2012 8:20 am ] |
| Post subject: | Re: Need help |
Double checked the transom its good , checked for hooks with a 4ft level no hooks, I wound't think that the foam is soaked its been kept in a shop unless the boat was in the water. The foam was my first thought I cut what I could get to and it was dry. I guess valves ? |
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| Author: | Team Camo [ Wed May 30, 2012 8:31 am ] |
| Post subject: | Re: Need help |
Another thing to think about is your prop, but checking valve lash is free. Also have a leak down test done. Something's not adding up, there's got to be a missing piece to this puzzle. |
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| Author: | Delta Goose [ Wed May 30, 2012 8:37 am ] |
| Post subject: | Re: Need help |
leak down test done where can I get that done I live in northwest Al none of the mb dealers know anything over here. I checked the prop outside to outside is 11 3/4 |
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| Author: | Team Camo [ Wed May 30, 2012 8:39 am ] |
| Post subject: | Re: Need help |
You need a new prop. 1/2" is a lot of wear on these. Any Briggs & Stratton shop should be able to do a leak down test, or you could go to a Harbor Freight & buy the kit to do it yourself for about $40 |
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| Author: | Delta Goose [ Wed May 30, 2012 8:58 am ] |
| Post subject: | Re: Need help |
so i guess if I have valve problems I guess it would best to go ahead and get new setx heads. Also do you know the easiest way to get the foam out of the floor. thanks CAMO |
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| Author: | Team Camo [ Wed May 30, 2012 9:25 am ] |
| Post subject: | Re: Need help |
If the valves are leaking, the only way to fix it is a valve job. Since you've already got em off, might as well go the extra mile & get heads worked to. No easy way to get foam out of Excel that I know of. Good luck on that one. |
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| Author: | Delta Goose [ Wed May 30, 2012 9:30 am ] |
| Post subject: | Re: Need help |
Camo what about the super liner how did you get yours off? I figure out how to take the floor out. Just need a tip on the liner. thanks for all your help.. |
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| Author: | Team Camo [ Wed May 30, 2012 11:50 am ] |
| Post subject: | Re: Need help |
I never had an Excel |
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