Daily Parts Questions

If you are looking for one of the best go-kart and mini-bike racing engines in the market, the Predator 212 will surely fit your needs. The Predator 212 engine is arguably the most popular in its class primarily because of its great cost-to-performance ratio. What this means is that you get more bang for your money, that is, a high amount of power at a cost that will not break your bank.While the 212cc Predator engine will be discussed in d… Read more

I have an old yerf dog kart with a stage 2 predator 212 with the hot .265 cam. I want to upgrade the springs both pulleys on the cvt to better match the power curve of the motor. Hoping you could suggest which ones to get. Here is my recipe to have the TAV better match with a modified engineI replace the driver springs with these spring. This will start to grab the belt at 3100 rpmsI use this heavy spring in the driven unit in the… Read more

I recently purchased the above package and I have quite a few questions. I am a novice builder and wanted input on best methods. 1. Based on what I'm reading from manufacturer specs on all billet parts and flat top piston I will have to grind down my crankshaft, is this correct? If so what is the best method?2. Are chromoly push rods recommended? If not what length is recommended and how does that effect other internals?3. Are the stock rocke… Read more

I need some help completing my build of a predator 212. I was looking at F-275 Grind, Welded Lobe Clone Core Cam. Can you help me build out Rockers, springs, piston, rods, the whole package minus the parts I have listed under the cam? I can assume you have a Hemi engine by the choice of the cam.Regardless of whether a Hemi or Non-Hemi, the stock heads will only accept up to a 26# valve spring and the F-275 requires dual springs You could us… Read more