I show how to DIY motor swap a Harbor Freight Predator 212cc engine into a mini bike, dirt bike, motorcycle. This bike is surprisingly fast with the 6.5hp/ 7HP hemi engine and CVT TAV 30 series torque converter transmission in it! This motor swap is a common upgrade for go karts but is easy to install on a motorcycle too. I have even seen this swapped into trucks and cars. This is a simple project that can easily be done over a weekend with a welder and angle grinder. There’s also a xr100 with a BBR big bore kit motor swapped cr80 in this video. In part 2 I pull the governor out of the engine and I installed a stage 1 kit into the predator motor, and even do a little spring adjustment to the CVT.
Here's some Amazon associate paid links if your looking for some of these parts. CVT torque converter amzn.to/2IySo3V
CVT torque converter amzn.to/2Wzmz4I
Both of these Torque converters fit 3/4" engine output shafts (predator 212cc engines have 3/4" shafts) and both kits come with the 40 pitch sprocket (this was the same size sprocket i modified to fit my chain pitch. I hope this helps you guys out.
Here's the jet and air filter kit amzn.to/2FlU67Q
Here's the Tachometer amzn.to/2WWqmZZ
Here's the curved tube I used for the intake runner amzn.to/2IWveV9
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