My First Go Kart Build

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robbstech

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Hello All Newbie Here.

I have just decided to build my first go kart. I need to ask a few questions first.

1) I have an old clinton engine I think is 5HP and it is a 4 stroke, I think it is around 100cc or more but I was wondering what RPM I would get out of it if I took the govener off it.

2) I have a clutch with 20 teeth on it and was just wondering what would be the best number of teeth on the axle gear.

3) Would I be able to use a brake disc and caliper off a push bike on my kart?

I have done alot of planning so far and drew out the plans in 1/5 scale so I know how big everything is.

So thanks for your support
Rob
 

modelengineer

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1. ???

2. You want AT LEAST a 4:1 ratio, so you need at least an 80 tooth sprocket. It would be easier to get another clutch with 12 teeth so you can get a better ratio like 5:1 or 6:1. If you're staying with that clutch use a jackshaft so you can get a double reduction.

3. Yes
 

robbstech

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Thanks for all the replies guys.
I am only 17 and that is the only engine I have got and I cant afford a new one. So...Will this engine be suitable and what RPM will I get out of it.

Thanks
 

scar

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if you cant afford a new motor buy used or sell the clinton to buy one you could get a pretty penny for it if you find the right buyer like Kenny_McCormic said dont abuse a piece of history like that
 

Russ2251

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Taking the governor off is abuse, as this engine (or any governed engine) was designed to be used with governor in place.
Figure that it's lifespan will be a fraction of it's original intent.
The fact that it is collectible and a piece of history, makes it all the worse.
If a rod goes, you got nothin'. Possibly not even a parts engine.
If this engine were complete and everything intact, my guess as to value would be in the $100 to $300 range.
Last Clinton was made in early '80's (???). Judging by pics posted, yours is much older than that.
Only on rare occasion is mine kicked on. When I bring it to shows, I mix the oil and gas using the original non detergent oil called for at a 16:1 ratio.
The exhaust smell is more than remarkable and will jog anybody's memory over the age of 50.
 

kibble

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Now we just need the Anti Engine Abuse committee started and we'll be all set!!!
 

Russ2251

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I don't specifically recall. I think around $80 from Ebay.
Got it as a box of incomplete parts. Took a couple of years of parts hunting to complete restoration. Paint and decals are original. If cleaned and repainted, engine would likely lose half of it's value. Estimated worth is around $300 to $400.
Genuine Clinton NOS (new old stock) parts have been used throughout.
I was very lucky to come across a complete service manual that covers the entire Clinton line from early '50's through mid '60's.
Not many folks around that know (or even remember) this engine.
 

sayre315

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wow i bet you got some sort a acomplishment once you finished that
ofourse i dont remember it mostly bc i was born in the 90's wayyyyyy after that last one was made, which was in the early 80's correct?
i just know that those things a piece of history and can fetch a pretty penny under the right cercumctances
 

robbstech

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I think you guys are right as I was given this engine as a present and it even has a flexi-drive hedge trimmer to attatch to it. I was thinking of showing this engine and now I probably will.

I will look for another dirt cheap engine to use on a go kart!!!

Cheers Guys:cheers2:
 

Kenny_McCormic

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I think you guys are right as I was given this engine as a present and it even has a flexi-drive hedge trimmer to attatch to it. I was thinking of showing this engine and now I probably will.

I will look for another dirt cheap engine to use on a go kart!!!

Cheers Guys:cheers2:
Good idea! Craigs list is great for budget beater motors.
 

spude33

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i wouldnt suggest taking the govener off cause then there is a really high chance of blowing your engine!
 
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