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Tucker1445
MMT Member
Joined: Thu Oct 16, 2014 1:50 pm Posts: 19
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 Long Tail Motor Swap
Newbie here, and MMT seems to have wealth of info floating around so hopefully someone can answer my question. Can I take a Beavertail frame that had a 31HP vanguard (engine blew) and do a 1 for 1 swap with a Honda GX630 without any major modifications to the frame? The shaft diameters are different so the yoke will have to change and the PTO heights have a .012" difference. Thanks for any help in advance.
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Sun Sep 13, 2015 8:04 am |
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Tucker1445
MMT Member
Joined: Thu Oct 16, 2014 1:50 pm Posts: 19
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 Re: Long Tail Moto Swap
Ok so I got the new to me frame home. I didn't realize I was getting the blown engine too but maybe I can sell it as a parts motor. I ordered my new GX630 today and need this monster off the frame. I'm have a hard time getting the u joint off. I'm slowly tapping it off the shaft but it'll take a while. Any thoughts or tips? I'm sure there is a very simple way I just have no idea.
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Thu Sep 17, 2015 9:32 am |
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Bigbend
MMT Pro Member
Joined: Sat Dec 11, 2010 6:25 am Posts: 493 Location: SWGA
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 Re: Long Tail Moto Swap
What's the story on that briggs?
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Thu Sep 17, 2015 12:37 pm |
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Russ
MMT 1000 Club
Joined: Mon Dec 31, 2012 11:07 pm Posts: 4820 Location: West Monroe, LA
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 Re: Long Tail Moto Swap
Patience and time. It'll come off.
Pm sent
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Thu Sep 17, 2015 1:15 pm |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm Posts: 16915 Location: Rowlett, TX
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 Re: Long Tail Moto Swap
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Thu Sep 17, 2015 1:26 pm |
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jakehawk9
MMT 1000 Club
Joined: Wed Jul 01, 2015 6:06 pm Posts: 1447 Location: South central, ks
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 Re: Long Tail Moto Swap
Hahahaha.
It's simple. get a mud motor. shoot ducks in the face.
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Thu Sep 17, 2015 1:27 pm |
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Tucker1445
MMT Member
Joined: Thu Oct 16, 2014 1:50 pm Posts: 19
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 Re: Long Tail Moto Swap
Guy I got it from said he hit a log and popped the motor out of the water. A short while later Sparks and oil flew everywhere and this was the result. It looks as though the governor spring was disconnected. Maybe it just spun apart?
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Thu Sep 17, 2015 3:30 pm |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm Posts: 16915 Location: Rowlett, TX
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 Re: Long Tail Moto Swap
Only time I've seen that happen, the connecting rod came out the side. Usually a lack of oil thing...
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Thu Sep 17, 2015 3:33 pm |
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Tucker1445
MMT Member
Joined: Thu Oct 16, 2014 1:50 pm Posts: 19
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 Re: Long Tail Moto Swap
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Fri Sep 18, 2015 1:49 am |
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tfd1224
MMT Member
Joined: Sat May 03, 2014 1:44 pm Posts: 43
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 Re: Long Tail Moto Swap
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Fri Sep 18, 2015 9:49 am |
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Tucker1445
MMT Member
Joined: Thu Oct 16, 2014 1:50 pm Posts: 19
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 Re: Long Tail Moto Swap
Yes all the set screws are removed and I filed down the spot welds on the keys. A guy I work with is gonna help me out. We'll use his tractor bucket to slightly lift it and then we are gonna hear the u joint and slowly tap it off.
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Fri Sep 18, 2015 12:54 pm |
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Tucker1445
MMT Member
Joined: Thu Oct 16, 2014 1:50 pm Posts: 19
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 Re: Long Tail Moto Swap
Ok wd40 did the trick just fine. I got the new u joint, prop and motor today and what do you think... Yep bolt patter is off and I need about 1" spacers under the motor to match the previous PTO height.
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Mon Sep 21, 2015 4:05 pm |
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Tucker1445
MMT Member
Joined: Thu Oct 16, 2014 1:50 pm Posts: 19
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 Re: Long Tail Moto Swap
Also where do you guys have your alternator's rectifier mounted? It says not on the engine for vibration reasons but the only place I can come up with is the u joint cage so not sure if that's any better.
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Mon Sep 21, 2015 4:07 pm |
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Tucker1445
MMT Member
Joined: Thu Oct 16, 2014 1:50 pm Posts: 19
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 Re: Long Tail Motor Swap
Got it all done. That Honda runs like a dream. It pushed me and two other grown men up river at 12 mph (my boat is a barge and really plows) down stream I was getting 15+
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Tue Oct 06, 2015 6:04 pm |
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Bigbend
MMT Pro Member
Joined: Sat Dec 11, 2010 6:25 am Posts: 493 Location: SWGA
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 Re: Long Tail Motor Swap
Hell yeah man! Like the cowling too
What RPMs are you at WOT?
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Tue Oct 06, 2015 7:20 pm |
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Tucker1445
MMT Member
Joined: Thu Oct 16, 2014 1:50 pm Posts: 19
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 Re: Long Tail Motor Swap
Thanks my neighbor does vinyl for cars had it laying around. I'm at 3600 ish WOT with a 9x5 hill prop
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Tue Oct 06, 2015 7:31 pm |
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spcamno
MMT Member
Joined: Sun Aug 10, 2014 10:23 pm Posts: 11
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 Re: Long Tail Motor Swap
Very nice build / swap.
Do you mind to find out who makes the vinyl wrap and name of the pattern?
Thank you in advance!
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Wed Oct 28, 2015 7:07 am |
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Bigbend
MMT Pro Member
Joined: Sat Dec 11, 2010 6:25 am Posts: 493 Location: SWGA
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 Re: Long Tail Motor Swap
Never seen a vinyl wrap, but pretty sure that's Max-4. I've seen guys send their cowling off to get dipped (water imaging) and turn out pretty good. It's kinda pricey though.
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Thu Oct 29, 2015 4:36 am |
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Tucker1445
MMT Member
Joined: Thu Oct 16, 2014 1:50 pm Posts: 19
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 Re: Long Tail Motor Swap
Thanks. It is Max-4. Next time I see him I'll ask about the vinyl. It was just scrap he had lying around.
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Thu Nov 12, 2015 8:13 am |
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