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Like riding lawn tractors through mud, woods, rocks, and snow? Then this is the place for you! Share your ideas, Post your projects and more!
 
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 Rally 12.5 horse Briggs

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redzz02
Doc Sprocket
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1997 Murray
Jugghead90
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Jugghead90
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PostSubject: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 12th 2013, 11:37 am

What would be a good pulley sizes for the woods. Mud and snow?
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1997 Murray
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PostSubject: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 12th 2013, 12:43 pm

I have a 12.5, I would say leave the engine pulley stock, and get a 4" pulley for the rear end. this setup works great for me.
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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 12th 2013, 1:46 pm

Thanks I got a 5 in on the back and it does pretty good how much speed will you gain by going down to 4 in?
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Thunderdivine
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 12th 2013, 2:34 pm

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1997 Murray
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PostSubject: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 12th 2013, 3:41 pm

probibly 3 mph
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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 12th 2013, 5:39 pm

O ok thanks I will look into that I have almost got my mower complete just trying to add a extra fee things front and rear bumper move my gas pedal around the other day and going to paint when I can catch a warm day
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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 12th 2013, 10:44 pm

How do you post pictures on here as your making progress on your build?
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Doc Sprocket
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 13th 2013, 6:45 am

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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 13th 2013, 11:49 am

I'm trying to post them from my phone and I can't figure it out? I just join the other day but I can't figure out how from my pone
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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 13th 2013, 1:04 pm

Rally 12.5 horse Briggs Untitl11 this is what my mower look like before I started working on it again about a week or two ago going to put bumpers and repaint
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1997 Murray
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PostSubject: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 13th 2013, 1:13 pm

looks good! what size tires are on the front?
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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 13th 2013, 1:21 pm

20x10x8 all the way around I just took the stock back tire and made a axle and put them on the front
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1997 Murray
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PostSubject: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 13th 2013, 1:25 pm

oh, ok I have 20x7x8 on mine, they looked really big, not stock at all. big tires on the front work really good in the mud.
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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 13th 2013, 3:41 pm

they stick out wider than the back becuase of the front axle are made but it does go pretty good in the mud i have been a couple all day rides and it goes pretty good but i wwant to get my bumpers made so i can put me a hand crank wench on the front
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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 15th 2013, 9:54 pm

My mower has been parked since April and I'm having a hard time making roll over. It will start I just have to turn the flywheel while I'm holding the push button starter. What can I do to make it roll over easier? I have tried everything I know
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 15th 2013, 11:45 pm

a new battery, and clean up your connections
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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 16th 2013, 5:33 am

I cleaned all the connections but I will try a new battery thanks
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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 20th 2013, 2:08 am

When your transaxle goes out. Do you have put one from another mower like it back in or can you buy a different one and put in it? This is something I haven't had to do before any help would be greatly appreciated
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 20th 2013, 9:25 am

The biggest consideration is getting the pulleys at the same height.... other than that it's mild fabrication or possibly simple swap depending on the models. Obviously, if the input on your old one is on top, you want to stick with that format... same with side input etc.


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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeDecember 20th 2013, 10:52 am

Alright I have some parts mowers bit none of them match mine exactly. Is there a transaxle you can buy that is better and a stock one?
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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeJanuary 1st 2014, 12:03 pm

Front bumper just need some paint and lights mounted I couldn't get my the picture of the back bumper to load Rally 12.5 horse Briggs 2A357098-BEB3-4EDC-A88C-A5822E0B6BF6_zpseo1kducl
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1997 Murray
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeJanuary 1st 2014, 12:22 pm

Jugghead90 wrote:
Alright I have some parts mowers bit none of them match mine exactly. Is there a transaxle you can buy that is better and a stock one?

get a peerless 820. berings on all of the shafts, 1" axles insted of 3/4" schech uses them. also a lot of aftermarket accsesorys for them.
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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeJanuary 1st 2014, 12:25 pm

Alright thank you do you know where I can get order one?
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1997 Murray
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PostSubject: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeJanuary 1st 2014, 12:36 pm

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Jugghead90
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PostSubject: Re: Rally 12.5 horse Briggs   Rally 12.5 horse Briggs Icon_minitimeJanuary 5th 2014, 8:36 pm

i have run into a problem on my mower and i need some advice/help my decompression value on my cam has broke. would it be easier to buy a new cam or replace my 12.5 briggs with a 18.5 briggs that i have on another mower? thanks for any help
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