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Old 12-11-2016, 02:39 PM   #1 (permalink)
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Death-kart opinions

This last summer I decided I needed a go-kart, just sounded like a good idea. Picked up a yerfdog off-road kart with a 150cc engine. Fun as it is, I feel like the stupid thing to do is give it more power. I could bolt on parts left and right, but I could also try and drop in a whole new engine. Which is why I'm here, v-twins and the like....

I'm not looking to go from 9h.p. or whatever the 150 is, to 15 or 25, that seems minimal. I've managed to find a 2011 ducati 1098, 01 suzuki tl1000s, and a 96 honda 750vfr. I'm still shopping about as well.

Details;
Ducati, 160 h.p. per wiki. just the engine, needs throttle bodies, fuel pump, wiring, ecu, clutch, oil cooler/radiator. Basically it's just an the motor.

Suzuki, 125 h.p. per wiki. complete but the case is cracked by the output gear. No exhaust. No idea what is or could be broke or damaged internally.

Honda, 104 h.p., from what I can tell, everything is there, complete. However it's a carbed, v4.

So what would pirate do? Get nickle and dimed finding eBay ducati parts? Buy new suzuki case halves and possibly other guts? Pick up the fat honda and hate all things carbed? Or keep shopping?
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Old 12-11-2016, 02:50 PM   #2 (permalink)
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I would stay away from Ducati due to being over complicated.

The others are fine, but would look into a Suzuki SV650 or 1000 or even a first gen VMax
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Old 12-11-2016, 02:55 PM   #3 (permalink)
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The others are fine, but would look into a Suzuki SV650 or 1000
The TL he has listed is the same engine as An SV isn't it?

Seems like a ducati motor that is missing parts is a good way to have you deathcart end up costing as much as a good used car.
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Old 12-11-2016, 03:10 PM   #4 (permalink)
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The TL he has listed is the same engine as An SV isn't it?

Seems like a ducati motor that is missing parts is a good way to have you deathcart end up costing as much as a good used car.
Hmm don't know exactly, but wouldn't doubt it being the same or very close to the same.

Ya. One missing part or one stupid problem with a Ducati and you have an expensive paperweight.
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Old 12-11-2016, 04:48 PM   #5 (permalink)
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The ducati parts do add up quick. Just the parts I know it would need would cost more than the motor itself. Still shopping around for options. Found an 01 kawasaki zx900 and an 80 suzuki gs1100. The in line 4s look like they would be some heavy wide suckers though.
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Old 12-11-2016, 06:53 PM   #6 (permalink)
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If you were to go with a Ducati engine, I would find a "2 valve", like in the monster. It's much less complicated and (most are) air cooled.

What about a RZR engine? Or Yamaha grizzly 700? Triumph Tripple?
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Old 12-11-2016, 07:32 PM   #7 (permalink)
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Originally Posted by Rttoys
If you were to go with a Ducati engine, I would find a "2 valve", like in the monster. It's much less complicated and (most are) air cooled.

What about a RZR engine? Or Yamaha grizzly 700? Triumph Tripple?
I've just been checking the local c.l. for whatever is out there. Haven't looked at eBay or anywhere else. The vtwin seems like it would be the most manageable size to package. I'm not a bike or at guy though...

Picture of the tl1000 case crack. What could cause this other than dropping it? What sort of internal damage may be done?



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Old 12-11-2016, 08:31 PM   #8 (permalink)
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Probably chucked a chain. Probably no internal damage but most case halves have to be bought in pairs. Probably looking at a minimum of 500$ to fix if you use new parts and do all the labor yourself.
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Old 12-11-2016, 10:05 PM   #9 (permalink)
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Buy a whole complete older carbed mc that runs good and hasnt been broken or messed with much .

Once the motor is out and on the cart the carbs will be out in the open and easy to deal with should they even need to be dealt with, probably just a good cleaning and removal of ethanol residue or damage caused by it which is typically only the needle for the seat if its rubber tipped .

Not as much elec bs, no computer and more power than you will need to kill yourself quickly and efficiently .


Messing with that broken case and Ducati junk is pissing in the wind .


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Old 12-12-2016, 06:19 AM   #10 (permalink)
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Ya, loosing a chain can do that easily. Who knows what is messed up on the inside, though, without tearing it down.

I agree with the carb thing. They are less complicated than injection and on a project like this, the less complicated the better, I'd say. There are ton's of SV650 crashed out there. If you have to have a 1000, then the sv1000/TL1000 would be a good choice. Also, Suzuki has the V-Strom that's a twin, along with a few other "adventure" bikes out there.
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Old 12-12-2016, 03:21 PM   #11 (permalink)
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In shopping around I'm finding several cheaper 500-600cc complete bikes with in line 4's. As not a motorcycle guy, how wide do these things get? Packaging and less so weight are the issue. I agree simple is best, but when it comes to carbs I may as well fix it with dynamite.

Currently the 9hp is mounted on the rear suspension, trailing arm style. When the axle moves so does the engine. Whether or not that's a great thing I don't know. Basically I could duplicate/ modify the current setup, or build to mount a motor to the kart frame and cook up a suspension around that. Any thoughts?

As for slapping the biggest engine I can find in, if I'm going to die fast, I want it to be scary fast
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Old 12-12-2016, 04:43 PM   #12 (permalink)
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07 gsxr 600 with everything to drop it in, fire it up and go for $700? Reasonable price?

The 01 tl1000 is $350, plus ~$200 for a used case...
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Old 12-12-2016, 05:45 PM   #13 (permalink)
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Wiring harness, computer and all? Doesn't sound bad.

I thought you wanted to stay away from inlines though?
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Old 12-12-2016, 06:01 PM   #14 (permalink)
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Wiring harness, computer and all? Doesn't sound bad.

I thought you wanted to stay away from inlines though?
Yep, all the plumbing, cooler, air horns, header pipes, ecu, wiring, hand controls, throttle bodies, and whatever else. May try to see if I can get the brake stuff too. It's 18" wide which would fit without having to wide the axle, hopefully. The vtwin twins seem like they would be easier to cram in, and maybe weigh less?
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Old 12-12-2016, 08:24 PM   #15 (permalink)
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Might want to look for older snowmobille engines. The 2 strokes make good power and the belt systems are the same as most atvs. Should be able to pick up an 90s sled for 500 or less. Many are air cooled.
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Old 12-13-2016, 09:37 AM   #16 (permalink)
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I've thought about sled engines, but aren't most cvt trannys? It's what the kart currently has and I know they can be modded. Just no high rpm clutch dump burnouts, lol
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Old 12-13-2016, 09:50 AM   #17 (permalink)
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Might want to look for older snowmobille engines. The 2 strokes make good power and the belt systems are the same as most atvs. Should be able to pick up an 90s sled for 500 or less. Many are air cooled.
488 Fuji fan.

Great little motor.
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Old 12-13-2016, 09:53 AM   #18 (permalink)
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Actually a Mach Z would be a better choice.
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Old 12-13-2016, 10:36 AM   #19 (permalink)
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Any old carbed Honda inline 4. I've built one of these things. they are stupid fun. 80-100 hp is more than enough to kill you.
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Old 12-13-2016, 11:46 AM   #20 (permalink)
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488 Fuji fan.

Great little motor.

This. Unless it is clutched horribly you will have more than enough power to burn the rear tires into oblivion. You don't have to worry about rigging up a clutch or shifter. They can be found relatively cheap and are reliable.

If you want the ultimate in go fast hurt yourself, I have a 800cc Polaris triple that makes 175 hp. Comes with snowmobile for $2500.
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Old 12-13-2016, 03:57 PM   #21 (permalink)
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Problem is availability and cost. People want $1200 for a clapped out 82 honda. Haven't really looked at sleds. I know they can be had reasonably-priced, but recouping anything parting it out seems like it would be harder than a newer street bike. Kids pile them up daily and need parts lol. Looking into some other inline 4's right now.

The Polaris is tempting but out of my budget for certain death.
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Old 12-14-2016, 09:41 AM   #22 (permalink)
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So I can pick up the 07 gsxr 600 with all the engine parts and whatever else the guy has for $650. Found an 04 gsxr 750 complete bike for $800. The 04 sounds like it has a throttle issue, savt maybe?

Quick opinions? Probably picking one up tonight.

Edit, 07 has 22k miles, 04 has 27k.
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Old 12-14-2016, 02:22 PM   #23 (permalink)
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I vote sled motor. I built one 30+ years ago with a 340cc single cyl fan cooled putting out maybe 16hp. It would do 65 and smoke the tires off getting there. Find yourself a 600cc fuel injected motor with electronic reverse and don't look back. You will be in the 100-120hp range. Your only issue is keeping dirt out of your clutches.
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Old 12-14-2016, 02:40 PM   #24 (permalink)
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I vote sled motor. I built one 30+ years ago with a 340cc single cyl fan cooled putting out maybe 16hp. It would do 65 and smoke the tires off getting there. Find yourself a 600cc fuel injected motor with electronic reverse and don't look back. You will be in the 100-120hp range. Your only issue is keeping dirt out of your clutches.
I'm glad to see you are still kicking old man!
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Old 12-15-2016, 06:35 AM   #25 (permalink)
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So I can pick up the 07 gsxr 600 with all the engine parts and whatever else the guy has for $650. Found an 04 gsxr 750 complete bike for $800. The 04 sounds like it has a throttle issue, savt maybe?

Quick opinions? Probably picking one up tonight.

Edit, 07 has 22k miles, 04 has 27k.
Kind of a coin toss. I'd like to have the whole bike so if I need anything, it should be right there and you can hear it run.
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