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losing speed
https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=2&t=47068		 Page 1 of 1
Author:  Dane [ Mon Nov 04, 2013 3:44 pm ]
Post subject:  losing speed
I have 2005 gtr with a stage one and started noticing a drop in my top end used to run 29-32 now only getting between 22-24 running 3850 rpms. Would a worn down prop cause this?
Author:  Old School [ Mon Nov 04, 2013 3:58 pm ]
Post subject:  Re: losing speed
Yes
Author:  Westi [ Mon Nov 04, 2013 5:04 pm ]
Post subject:  Re: losing speed
Worn prop, hooks in the boat, OR you just got REALLY fat.
Author:  bayouboy [ Mon Nov 04, 2013 5:16 pm ]
Post subject:  Re: losing speed
Worn prop usually means more rpms.
Author:  deltaduckmaster [ Mon Nov 04, 2013 5:20 pm ]
Post subject:  Re: losing speed
If prop is good may want to do a leak down
Author:  coupe1975 [ Mon Nov 04, 2013 8:18 pm ]
Post subject:  Re: losing speed
Picking up fat chick will do it too
Author:  OwenDickeson [ Mon Nov 04, 2013 8:49 pm ]
Post subject:  Re: losing speed
Check your throttle linkage to make sure you are getting full travel.
Author:  Woodiebuster [ Mon Nov 04, 2013 9:07 pm ]
Post subject:  Re: losing speed
If its still the original prop it came with, Ive got 20 on a worn prop.
Author:  Westi [ Mon Nov 04, 2013 10:23 pm ]
Post subject:  Re: losing speed
Author:  diddyduck [ Mon Nov 04, 2013 10:43 pm ]
Post subject:  Re: losing speed
Author:  Bigrich [ Tue Nov 05, 2013 1:58 am ]
Post subject:  Re: losing speed
Author:  banded-mallard [ Tue Nov 05, 2013 6:21 am ]
Post subject:  Re: losing speed
Author:  cr244 [ Tue Nov 05, 2013 7:19 am ]
Post subject:  Re: losing speed
Author:  Will [ Tue Nov 05, 2013 7:28 am ]
Post subject:  Re: losing speed
Author:  Dane [ Tue Nov 05, 2013 9:13 am ]
Post subject:  Re: losing speed
No i didnt get fat. No i didnt pick up a fat chick. No it is not the orignal prop i got a new one 2 years ago normally would get a new one every year but didnt really use it much last year so didnt think it was that worn but pulled a measurement yesterday and prop was 11 3/8 so that is prolly my problem gonna put steel flex on the bottom this week as well as get a new prop or have my old one rebuilt. Thanks for the input though.
Author:  btmannin [ Tue Nov 05, 2013 10:12 am ]
Post subject:  Re: losing speed
If you have a worn prop and still only turnin 3850 with a stage 1 motor (I'm assuming that is with an empty boat) then your valves are more than likely leaking as well
Author:  OwenDickeson [ Wed Nov 06, 2013 7:52 am ]
Post subject:  Re: losing speed
You have other issues besides a worn prop. My motor is stage 1 and I turn 4600 rpm.
Author:  dfou [ Wed Nov 06, 2013 11:47 am ]
Post subject:  Re: losing speed
Author:  OwenDickeson [ Wed Nov 06, 2013 1:33 pm ]
Post subject:  Re: losing speed
Author:  dfou [ Wed Nov 06, 2013 1:48 pm ]
Post subject:  Re: losing speed
Author:  Dane [ Wed Nov 06, 2013 3:03 pm ]
Post subject:  Re: losing speed
How hard is it to check the valves, what do i need to check the valves and what is the tollerance supposed to be if yall dont mind me asking.
Author:  cupped up [ Wed Nov 06, 2013 3:36 pm ]
Post subject:  Re: losing speed
Author:  OwenDickeson [ Thu Nov 07, 2013 8:06 am ]
Post subject:  Re: losing speed
Author:  Dane [ Thu Nov 07, 2013 10:57 am ]
Post subject:  Re: losing speed
Also did the gear ratio change from 2005 to 2010. Reason being i went from a short transom to a tall transom in 2010. If so could that be why i am not getting the rmps that i used to get??
Author:  bayouboy [ Thu Nov 07, 2013 6:36 pm ]
Post subject:  Re: losing speed
Your ratio is going to be in the pulleys, did you get a new lower unit with the belt housing/new lower pulley?
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