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Yes I have the new version.I bought it last week.has the beefed up cam gear.thinner head gasket from what I've heard.

So are the lobes bigger on the plastic gear? I'm thinking it couldn't be much of a difference.

Well the new cam gear isn't plastic anymore either.they beefed it up w a steel can gear.

I just purchased a new Harbor Freight 212cc engine i bought a thinner copper gasket ".016" thick I have already removed the governor. Should I break the motor in with stock head gasket or pull the head off and put the new copper gasket on,and then break the Motor In?

Im looking to buy a used kart for for some Street fun. My brother and i are going to build a small dirt track on his property at some point.i have been looking for something i could take on the dirt track oval as well at some point.im looking at a go kart that has a tag leopard 125 cc engine...

You can do it.theres a few good videos out there.i watched a few times and did it.

The set up im running is the stage 5 engine at AGK. Only difference is im using rev rockers.im also having halls precision bore the block,and head dowels. I would've bought a complete engine,but im looking forward to having my dad and brother help me build the engine.my dad use to race go karts...

Well i bit the bullet and upgraded everything. I found myself wanting to do a couple of modifications and each 1 that i added.then there was another weak link in the chain.only thing stock in my engine is the crank.

Where did you get the parts from and why aren't you happy with it?sounds pretty healthy. where you found your tach. At and how much.

My kart is an old pay to ride kart. Its stamped on the front " tiger manufacturing inc." It looks like an indy kart. All steel rather heavy.i found it on a job site someone ditched it at so i gave her new life.its a really kewl kart. Soon to be kewler.Before my kart was doing around 40 mph.i...

Thx far the advice.well as for the costs it was 1100$ .i went with a 275 cam,billet connecting rod, weisco flat top piston,new 14cc head,three angle valve job,ported n polished,stock valves,26lb springs,rev rockers,molly push rods,mikuni 22mm with manifold for pulse adaptor,billet flywheel...

I have a 212cc predator engine that I did some modifications to.machine shop bored the cylinder.Billet connecting rod,flat top piston.smaller 14 cc head, 275 cam.How should i break the new motor in? Rpm's.

Im trying to learn how to post pics.

Thank you for the information much appreciated. as for my spelling and English I finished a fifth grade and off to work i went.i apologize :surrender:

Anyone?

I am doing a few modifications replaci replacing stock cam with 265 lift, billet connecting rod same length as stock : molly push rods. Valve train upgrades are 26mm intake 24mm exhaust.,1.3/1 rockers, 18lb springs,.060 shims for springs.my friend is polishing and porting the head.how much...

Found an old go kart.use to work at a machine shop.fun tearing apart engines and make em fast .looking for advice. Seems like a decent place to start.