Early minibikes used 2 stroke gokart motors. This is a replica of one I owned in 1965. They were fast and oh my..dangerous.. I went on to race go karts and ama flatrack. It was a different world back then.
This is how I install a bicycle disc brake on a older minibike. Machine a hub to attach the rotor to the wheel hub and build a bracket to hold the caliper. This bracket centers on the axle spacer so it requires no slots for adjustment. And lots of stopping power.
Built this one back in 2009. Hit 58 mph with more to go. My brother still rides it around the neighborhood. Gets a lot of looks and attention. It was patterned after one built by guys in the neighborhood in 1967. They called it "The Motorbike" it had no brakes.
My brothers Cat 350 with heated up predator. High stall clutch and it rips. Front tire lifts @ 35 mph. I use high stall max torque springs in all my heated up minibikes. Makes it a lot more fun especially if the motor is heated up
About 15 yrs ago a nite of drinking in my brothers garage created this thing. It was electric but died so we converted it to gas. I named it the death pad cus it was so unstable. It went 35 mph. It got passed along and who knows where it is now..
Home built briggs raptor with all good parts inside including tbr3 cam, ported 3 stage exhaust and mikuni. Cat 250 frame and 3500 stall spring in clutch. I run it on 93 octane with gold label blendzall. Exhaust smells like a indy car. Gotta lean way forward when on the gas or you'll be on your...
Ebay find trailblazer all original. Good looking minibike except the dumb looking rear slanting rear shocks. Ruins the lines of an otherwise minibike. I'm going to experiment with moving the lower shock mounts rearward to clean up the looks . What do you guys think. I have a 125c. Pit bike motor...