Pakman
New member
Hi my name is Pete. I just bought a used Kart and need to get it running. I'm located in Nothern NJ. I look forward to being a member on the forum
New to Karts
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Welcome to the forum Pete. I am sure you are going to learn a lot from the forum.
Do you know what type of kart you bought? Post some pics of it so that we can see what you have. Do you have a lot of work to do on it, or is it a runner?
Here is a thread on how to post pics
firemanjim
Just kartin' around....
Welcome!
OzFab
Well-known member
Yeah, what they said 
Pakman
New member
Hey guys, I know it's a 100cc yamaha engine. I will post pics
Pakman
New member
Here are some pics, hope it works
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WOW!
That doesn't look like a wise decision on sprocket vs wheel diameter
'sid
WOW!
That doesn't look like a wise decision on sprocket vs wheel diameter
'sid
Pakman
New member
I really know nothing about this kart, so please any advice! Why is the sprocket not a good idea?
Isn't that obvious from the picture?
the sprocket comes with a sprocket protector that met more than just a few inches of pavement already
that's not a major problem per se, since that's what the protector plates are made for, but in this case.. the wheel diameter is too low, on the pictures it looks like there is no clearance at all (it almost looks like the protector plate is LARGER than the wheel)
And you want the wheel to have perfect ground contact, you don't want to move the kart by scrubbing the protector plate on the ground
The sprocket seems to be ideal for an engine like yours, so I'd get taller tires on the rear axle and that'd end up being a much better set up.
'sid
the sprocket comes with a sprocket protector that met more than just a few inches of pavement already
that's not a major problem per se, since that's what the protector plates are made for, but in this case.. the wheel diameter is too low, on the pictures it looks like there is no clearance at all (it almost looks like the protector plate is LARGER than the wheel)
And you want the wheel to have perfect ground contact, you don't want to move the kart by scrubbing the protector plate on the ground
The sprocket seems to be ideal for an engine like yours, so I'd get taller tires on the rear axle and that'd end up being a much better set up.
'sid
Pakman
New member
There's no air in the tire, would that make a difference?
Pakman
New member
Guys I have slot of questions, please don't think I'm dumb, I'm just new to small engines. Should there be a kill switch? I have no clue how to begin to start this kart! I know how, but the fuel tank was empty, and there was no line. I put a new fuel line on and gassed her up. How do I get fuel going to the carb? Also when you insert the Allen key and begin to crank, will it take the drill with it when it starts?
indeed, it'd make a huge difference.although I'd still check that you have at the very least half an inch between your protector plate edge and the pavement (with driver!)
'sid
danssoslow
Member
I'm not certain this works for 2 strokes; but I've used two methods to get the fuel line primed. First, if that Tilly has a fuel release, loosen it; then give your gas tank CPR until the line is primed. If there isn't such a thin on Tillitson carbs, have someone hold onto the line while it is off the carb and pinch it when the line is full.
Method two is much nicer on the lips; but don't know the kind of suction a two stroke creates. Simply put your hand over the carb's inlet and start turning the engine over. The suction from the intake stroke on a 4 stroke engine will pull the fuel into the carb after 5-6 pulls. You may want to check on this technique; I know those Tillies have a bunch of diaphragms in them; I wouldn't want you to acciedently rupture one of them.
Method two is much nicer on the lips; but don't know the kind of suction a two stroke creates. Simply put your hand over the carb's inlet and start turning the engine over. The suction from the intake stroke on a 4 stroke engine will pull the fuel into the carb after 5-6 pulls. You may want to check on this technique; I know those Tillies have a bunch of diaphragms in them; I wouldn't want you to acciedently rupture one of them.
Some race karts need to be bump started or use a starter (like a big drill) to get them started
Pakman
New member
I just used a 1/2 drill to start the kart and as it was about to turn over, it took the drill and almost broke my hand! HELP!! lol What can I use?
OzFab
Well-known member
That engine is a Yamaha KT100. They're usually started with a starter like this:
DO NOT USE A DRILL TO START IT! As you found out, once the engine kicks, it'll take the drill with it...
Those tyres are the tallest you'll get (11x 8/5) for those wheels (5" diameter x 8" wide). The only alternative is to drop the size of the sprocket & guard...
The carb has a built in fuel pump which runs off the engine, which doesn't help to prime it. The only way I know of is with a primer bulb. hang arouns a bit, someone should have a better idea than that...
DO NOT USE A DRILL TO START IT! As you found out, once the engine kicks, it'll take the drill with it...
Those tyres are the tallest you'll get (11x 8/5) for those wheels (5" diameter x 8" wide). The only alternative is to drop the size of the sprocket & guard...
The carb has a built in fuel pump which runs off the engine, which doesn't help to prime it. The only way I know of is with a primer bulb. hang arouns a bit, someone should have a better idea than that...
danssoslow
Member
I know that most of those starters use something called a Bendix to couple to the engine. Does the Bendix provide the racheting action to prevent the engine from outrunning the starter?
Btw, google diy starters. Apparently, you can buld one of those starters for around $50 using a starter off of a Subaru engine. Don't know any more details, as I don't need one.
Btw, google diy starters. Apparently, you can buld one of those starters for around $50 using a starter off of a Subaru engine. Don't know any more details, as I don't need one.
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