Fixing Up a Briggs & Stratton 90100 Series Engine

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ekrekeler

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I have an old Briggs & Stratton 90100 Series Engine from an edger that I used to use. A few years ago, I had to buy a new edger because the one I was using started breaking down. I lost one of the two screws holding the fuel tank in place, the throttle lever cracked one day, and I had to force the engine to choke while running because a crack formed in the fuel intake so it would suck in more air than it needed to. Unfiltered air. I abandoned it altogether when I accidentally broke the assembly that controlled the gas/air mixture intake into the engine. :oops: I think that's called a throttle, but I'm not completely sure. However, I have recently taken an interest in building a go-kart, and so I was wondering how much work it would be to fix it all up and if it would be worth the effort. Since I abandoned it, I've completely lost the gas tank (I have no idea where it is in my cluttered garage) and the fuel intake has completely broken off. There's also a chance it just won't run anymore even after I fix it since it's been out of use for so long. Since it's from an edger, it is a horizontal shaft, 24 lb (give or take a few pounds), 3 HP engine, as opposed to a vertical shaft lawn mower engine. It has a pulley built into the shaft that makes it convenient to just hook up a belt to and go. If I'm going to fix it, I would need a new gas tank, probably a new air filter considering the one in there now is disintegrating, I would need to repair the throttle (I'm not sure how to go about that part yet), and I would need to get a new part for the fuel intake and figure out how to put it in. Does anyone think it would be worth the effort to even try? Also, I'll attach some pics if they're needed. :useless:
It's just that it's 12:00 at night where I am right now, and I'd rather not trip over a bunch of stuff in my garage to get to it. But just say the word and I'll have some next time I post. Warning: I am a noob so I ask that you experienced guys have a little patience around me. Just sayin'. Thanks for anyone who read this!

The Krekeler
 
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OzFab

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You will learn soon enough, whether pics are needed or not, post 'em anyway :lolgoku:

Some will say "ditch it & buy a Predator", others will say "fix the B&S"; I'm of the latter...

However, being only 3hp, I'm not sure it's worth it; you see, it will need to be a small, lightweight kart with a small, lightweight driver & low gearing to be at all suitable...

If you plan on building a kart for small, lightweight kids then fix it; if not...

Oh, welcome to the forum :)
 

ekrekeler

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...However, being only 3hp, I'm not sure it's worth it; you see, it will need to be a small, lightweight kart with a small, lightweight driver & low gearing to be at all suitable...

If you plan on building a kart for small, lightweight kids then fix it; if not...

I'm not so sure now... If I can't make an adequate go kart out of a 3 HP engine, are there any other fun projects in which it would be better to invest my time? A paraglider? Maybe (probably not enough power for this) an ultralight?


...Still working on those pictures...:yawn:

Oh, welcome to the forum :)

Thanks! I hope to get something out of it.
 

landuse

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I'm not so sure now... If I can't make an adequate go kart out of a 3 HP engine, are there any other fun projects in which it would be better to invest my time? A paraglider? Maybe (probably not enough power for this) an ultralight?


...Still working on those pictures...:yawn:



Thanks! I hope to get something out of it.

You could make an adequite minibike!! :thumbsup:
 

ekrekeler

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Okay I have pictures everyone! Sorry it took so long. I've just been busy with work and school. Let me know if anything needs to be explained.

You could make an adequite minibike!! :thumbsup:

I might look into that option. Paragliders require WAY more than 3 HP.
 

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n3480h

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Paragliders (powered parachutes) and Ultralights typically have engines of at least 27 HP. Flying either is not a "just do it" proposition. Both require very precise setup, frequent maintenance, and some serious training before attempting to fly. That is, if the builder would like to avoid becoming a room temperature statistic. IIWM, I'd use the engine to power a small minibike.
 

ekrekeler

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IIWM, I'd use the engine to power a small minibike.
Put it on a mini-bike...with the proper gearing....it will still "fly"...:lolgoku:

Punny. The mini-bike seems to be the best option I have for this engine. I've seen many people use a Lil' Indian frame with the Briggs & Stratton 3 HP engines, but I cannot seem to find one for sale anywhere. Even if I can get my hands on one, I was told by a friend of mine that the frame isn't that reliable and that I would be better off just building my own frame. What are your opinions?
 
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