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Under the tank, or somewhere on the crankcase casting should state the CC's. Looks like the caroll stream 6.5HP clone to me, just a guess.

Found some info on NR racings site. Drill or purchase jets in the .037-.039" range, for sea level operation once you've done the external bolt ons. The stock one is .029" so that is quite a difference, I'd be concerned with damaging my engine if I left it jetted stock with the upgrades done. The...

I just picked up a Italkart shifter chassis this weekend that was converted to a clone kart with a harbor freight blue lifan engine. It's bolted to the chassis with the 15* angled motor mount. The engine still has all the stock parts and gas tank, but the seller included a mikuni pulse pump...

Sorry I forgot to mention, the tube avail is a DOM type. I'm looking at using either the 1x .083 or a 1-1/4 x .065". I'm aware that if chromoly the frame would have to be normalized in an oven and that's a pain...not to mention the cost of the tube. I priced an 8' chunk at $48 when I can get...

I've been reading rules for sprint(road course)kart racing, and being a fabricator by trade, am looking at either buying or building my own kart chassis. The rule set states minimum tube diameters and wall thickness which seem adequate for mild steel construction.(1dia x.078", 1-1/8dia x.060"...

A muffler with packing, perforated core, and 2 or three passes inside should take alot of noise out. That stock "box" is pretty small. Also pointing the outlet down after the muffler will help alot too.

You at least need to get the mill scale off where you'll start welding, otherwise it can be a problem especially with limited amperage on hand.

I think I realize what they are doing. Nicetoy got it, it induces cross-weight transfer to the outside front and takes some off of the inside rear tire. Not optimal by any means, but when you have no differential it's a necessary evil. What I'm looking to do, is a fairly standard racing kart...

Looking at some other brands, some are not as bad as the margay and I don't think with the 5" wheels that they could be inside the wheel as there couldn't be much height(and inherent strength) of the spindle assembly. I don't think it will hurt to get it out there as close as I can though.

Welding is a bit of an art. Everything is changing as you start welding. The part gets hotter as you weld so when you start out you may go slow and side to side to get some wet out, then go faster and less side to side as the piece builds more heat. If you get the setting just right, you'll get...

Ahh that makes sense. Most of these are upgradable to shifter kart specs which include adding front brakes. I'm looking at fabricating my own frame for a clone kart and want to question some of the construction methods of the popular race frames. Thinking a bolt in front wishbone setup would...

You can easily see the pivot point on this margay kart is a good 8" inboard of wheel C/L...

Coming from an R/C car background(raced regionally-had a few sponsers, etc etc), I'm looking at these race kart chassis's wondering wth is going on with the steering kingpin locations. Why are they so much inboard of the centerline of the front wheel which makes it swing a radius when steering...