New member here, just bought a used doodlebug for the kids to tear up the yard with. Appears stock, 2.8 Lifan. Runs good, stops good, but obviously lacking. Just ordered a Predator 212 and am planning to build it up over the winter with the kids. I've already gained a ton of knowledge from the forums here, super cool to see so much interest in mini bikes. Hoping someone can lead me in the right direction. The old Lifan that's currently in there seems to be reliable, but there's a ton of hesitation and there's not enough power there to get the kids back up the hill in the backyard. While the engine swap might be enough for them (the oldest is 9), I also thought it would be a good learning experience for them to help with an engine build. It seems like most builds I run across focus on top end performance. I'm interested in a build that increases low end performance. I'm tired of pushing this thing back up the hill and see no reason for the little sh1ts to be doing 45 or 50mph around the neighborhood.
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