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To save headache I'm probably just gonna order a 20 dollar driver that comes with a new belt. I know I should get a genuine comet belt, but I'm too cheap for that lol. Besides I hope to eventually put full independent suspension and maybe even a fourwheeler engine in this, so spending a lot on...

I think the driver pulley shot. It will over rev going slow the. Suddenly big down as if the driven pulley just fully upgraded engaged. Plus it shredded my drive belt and the driver is not against the bushing like it's supposed to be at idle. But by God is it fast.

Test run was a success! I need to do a backyard alignment though because it pulls very hard to the right and if I hit any bumps it gets very squirrely (I almost ended up in the drainage ditch) but it was a blast and I'm soaked now lol. I also saw a possum off to the side of the road (I live down...

Oops wrong picture

About to fire her up for a test rip in the dark and rain! Wish me luck!

This is the beast. The 224 is already mounted and I just have to clean up the CVT. It's currently raining so I'm in the garage, I just pushed her in.

The job's taken a lot longer than I thought. I'm still hoping to get the kart riding tonight, everything but the engine was functional (was told it was running and riding perfectly until the engine locked up). I'll be home in about another hour. It's probably gonna take me 20 or 30 minutes to...

I will when I get home, I'm currently out doing some handyman work

A while ago I picked up a 2 seater dingo style go kart for 40 bucks. The engine was locked, so it kinda sat around for a while. I picked up a 224 from harbor freight for only 60 bucks a few weeks later planning to bolt it on and have fun for 100 bucks. Well, life got in the way so I didn't get...

I am definitely gonna use this engine Not only does it have more displacement, but the exhaust also has bolt.holes for a flanged exhaust. That makes fitting a custom pipe much easier. Sure it might be a bit taller than the 3hp, but not by much.

Here's the one I'm probably gonna use. A freshly rebuilt (from what I was told) Briggs 3.5 HP. The serial number comes back as being made in 2001, I thought they quit making these long before that. Is has some good fresh oil in it, and just needs an ignition coil slapped on it. It's overall in...

Oh, and shaving the eyebrows for better flow

Some porting and polishing, increasing compression, modifing the cam lobes to have more lift, advancing timing, and a round slide carb. That's all I plan to do for now.

Interesting. I didn't know it had no bearing. I still am going to build this and see just how long it will last. Maybe I'll learn something useful in building my 79cc predator.

Ok, did some research and it looks like the new target is 6000 rpm. The cast aluminum rod won't handle 8000. I was thinking of a forged steel rod, not cast aluminum lol

Tha ks for the links. I think I might order both, they are pretty cheap. If they won't fit I'll replicate the design making it smaller to fit the rod. I really hope to bring enough knowledge from trial and error in this build process to help others out who have the same mission as me. I've...

Does anyone see any issues with running the aluminum rod at 8,000 rpm? I personally think it's maybe pushing it, but entirely possible, and so does my buddy that used to do this stuff to cars for a living. Also, does anyone know if the Briggs raptor rods were made any different from the stock...

I think I've read that thread, and thanks for the link! I might just pick one up to see how it's made and possibly replicate it for the 3hp

Could you maybe post a link? I couldn't find one.

Ok, after looking into things a bit closer I should be able to rev that puppy up on a polished aluminum rod just fine, but the dipper is still an issue. I looked at the Briggs 5hp rods that arc sells, but they have built in oil dippers. Do you guys think I could make one with thicker steel and...