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post #1 of 42 (permalink) Old 03-25-2012, 05:37 PM Thread Starter
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Snowmobile engine in go kart!

Yup another one of these threads! After seeing my uncles neighbors srx 700 powered kart throwing 50 ft roosts its made me want to start the project ive been thinking of for a while. I have been toying with the idea of putting the jag motor in a kart for a while now. I tried searching it but what i really want to see is pictures i cant find any. Im thinking it'd be easiest to put the engine on the mount the jackshaft with the secondary and everything on the cart. how do you guys think i should go about mounting the jackshaft to the kart? Then from the jackshaft to the axle? no sure how to go about that part. Cant picture things in my head very well so maybe someone has pictures or could give a detailed explanation?

1989 arctic cat jag afs 440(small project)
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post #2 of 42 (permalink) Old 03-25-2012, 08:12 PM
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sounds like a fun idea but i have no idea

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post #3 of 42 (permalink) Old 03-25-2012, 08:23 PM Thread Starter
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I'm also trying to decide if I want to go with a off road design or a street design. it'd be a blast to take to the dragstrip this summer

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post #4 of 42 (permalink) Old 03-25-2012, 09:04 PM
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I had one and the biggest problem is the straight axel! The Honda Odesy had the same problem! I just doen't want to turn! If you can, get a differential rear end out of a Quad!
Personally I'm going to use a Tracker front end and just narrow up the half shafts!
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post #5 of 42 (permalink) Old 03-25-2012, 09:18 PM Thread Starter
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I was looking at quad rear ends earlier but I'm looking for a budget build! if I had the spare cash laying around id have bought a bike like I really want this just seemed like a good project because I already had the stuff I need for the most part

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post #6 of 42 (permalink) Old 03-25-2012, 09:23 PM
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Well it would be cheaper to just put an ATV tire on the Jag!
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post #7 of 42 (permalink) Old 03-25-2012, 09:38 PM Thread Starter
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That sounds much more difficult lol I just want a summer toy! I have a good idea of how ill do it but I don't have the frame here to see how it'd all fit

1989 arctic cat jag afs 440(small project)
1990 yamaha phazer 2

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post #8 of 42 (permalink) Old 03-26-2012, 02:59 PM
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I wouldn't bother with the jackshaft. Build it as a direct drive with the secondary right on your final output, and gear it down with the drive chain for the straight axle.

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post #9 of 42 (permalink) Old 03-26-2012, 03:22 PM
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Do a search of this forum and you will find several threads about similar builds.

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post #10 of 42 (permalink) Old 03-26-2012, 04:12 PM
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UHH how would you gear it down without a jack shaft?
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post #11 of 42 (permalink) Old 03-26-2012, 04:13 PM
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Think of the drive chain as a big, open chaincase.

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post #12 of 42 (permalink) Old 03-26-2012, 04:20 PM Thread Starter
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what your saying is pretty much the same as it would be using the jackshaft off the sled

1989 arctic cat jag afs 440(small project)
1990 yamaha phazer 2

The new money pit
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post #13 of 42 (permalink) Old 03-26-2012, 04:26 PM
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You will HAVE to use the Jack Shaft to do that! The drive clutch on one end and the sprocket on the other, and a chain to the axel!
A direct drive would have the driven clutch on the axel!
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post #14 of 42 (permalink) Old 03-26-2012, 04:53 PM Thread Starter
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My friend is putting an atc 200 motor in his cart so I'm going to let him do his first and learn from his mistakes lol.
How should I mount the jackshaft to the cart? on the sled it goes through a peice of metal and has retainers on each side of the bearing then the other side is mounted in the chaincase how should I mount it on the cart? I saw somebody who just cut the bottom half of the chaincase off and mounted it in that but cutting the chaincase in half just seems kind of wasteful when I could sell it

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1990 yamaha phazer 2

The new money pit
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post #15 of 42 (permalink) Old 03-26-2012, 05:13 PM Thread Starter
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Im liking this setup

1989 arctic cat jag afs 440(small project)
1990 yamaha phazer 2

The new money pit
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post #16 of 42 (permalink) Old 03-26-2012, 05:17 PM
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Quote:
Originally Posted by kccats View Post
The drive clutch on one end and the sprocket on the other, and a chain to the axel!
That's what I'm saying. But do away with the full length jackshaft for the sake of compactness. Mount the clutch right next to the chaincase, (or sprocket) like an old sled, to keep the system as inline as possible.

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post #17 of 42 (permalink) Old 03-26-2012, 05:22 PM Thread Starter
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Quote:
Originally Posted by JD8345RT View Post
That's what I'm saying. But do away with the full length jackshaft for the sake of compactness. Mount the clutch right next to the chaincase, (or sprocket) like an old sled, to keep the system as inline as possible.
People do cut the jackshaft down so its not so long but i like the setup of the one i just posted

1989 arctic cat jag afs 440(small project)
1990 yamaha phazer 2

The new money pit
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post #18 of 42 (permalink) Old 03-26-2012, 06:13 PM
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If you look at those blueish colored bearing blocks they are readily avalibale!
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post #19 of 42 (permalink) Old 03-26-2012, 06:27 PM
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its not as cheap as you expect!! I did it once! of course it didn't turn, as mentioned above. Used front hubs from a 4 wheeler (and brakes) rear straight axle with 4 wheeler tires.
Pry spent about 350 bucks on it, and way too much time. got the tubing for free. its been sitting for the last two years, after the brakes failed. and the rear axle is so wide, never took the time to cut it down to a more appropriate size.

biggest problem you'll run into is suspension. it took a long time to figure that out. independent front, no suspension in back. originally was just going to have a rear swing-arm but wanted to finish it so said screw it.

onle pics I have. lost the ones after completing it as I broke that phone. been sitting outside the shed for two years now lol. might have to put in on CL
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post #20 of 42 (permalink) Old 03-26-2012, 06:34 PM
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I had over a grand in mine! I had Cavalier front A arms and hubs! I went as far as to get the doughnut spares and put tractor front tires on it!
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