new toy, like a scooter By oldmopars (Read 971 times)

[oldmopars]

My son and I built this for him to ride today. It is a Onex Walmart bike. 29in wheels and a very old school look. We then got a motor kit off E-bay and made it into a motor-bicycle for him to ride. All in all we are into this for $300. It runs great and is fun to ride.

[dragonsparks]

Cool a whizzer, that's a nice little Father & son project . Let the fun begin. Careful were you park it. They've been known to leave a puddle. D8

[bobf]

It does resemble a Whizzer style assembly, but it is not a Whizzer. I had one and the belt power was around a large sheave mounted about midway size on the back wheel. When I saw this posted yesterday I was wondering how the power was transfered. I see no belts, no pulleys, must just be magic. I remember my junior and senior high school days and the Whizzer, lots of fun times. Back then I think they sold in a kit for a bicycle at around $125. Mine was a used one and I think it was about $50 as is. We kids would put together a group of Cushmans and Whizzers and go to the next town and back. About 20 miles each way. Someone will have a good time with this setup.

[justbuggin2]

ther is a chain drive on the left side very cool

[bobf]

Thanks, I see that now. Follow the wide member from the engine to the sprocket. Likely a belt in that main member as there needs to be some way to energize or relax the drive motion. Very interesting machine.

Lots of folks would put their Whizzers on bikes with shock absorber fork assemblies. Mine was just like the fork on this bike. Rigid and solid. Mine broke off right at the top corner where the cross bar is. It did not let me down on the road but just as I was pulling into the back yard at home. It felt wiggly and then the wheel twisted down to the ground. Bending the lower area where the axel was. I was just on it watching things go bad. Had it gone out while on the road I expect that I would have been a bit messed up and full of gravel cuts. I think that was all in the 1950 time frame.
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[cruiser]

This looks like a basic 2 stroke kit. The primary reduction gear and hand operated manual clutch are on the right side of the engine. Power is then transferred to the left side of the engine by an internal shaft which has a sprocket that then drives the rear wheel by a chain drive on the left side of the wheel. Starting the engine usually involves pedaling the bike and then popping the clutch.

Here's my 4 stroke motorized bike. It uses a belt drive transmission with a centrifugal clutch on the left side of the motor. The engine is started with a pull starter like a chain saw. This setup is closest to our scooters in that it is a twist and go.

[dragonsparks]

DX Yes Sir that's it

[bobf]

I don't see any licenses on these bikes. So are they then also speed restricted to no more than 25 mph? My original Whizzer in 1950 would run near 40 mph. It was not licensed back then either. I think now they are licensed an also limited to 30 or 35 mph. Speaking of Ohio back then.

We would start the Whizzer by opening a compression release valve, pedal a bit and then close the valve. It was a good starting engine. There was a twist and go handle on my Whizzer. It may have been an option at the dealers.
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[oldmopars]

Well, they fall into a grey area in the laws. They are still a bicycle and are not registered. They can go about 35-40 MPH. We had ours up to about 35. Yes it is chain drive and you peddle it and dump the clutch to start it.
It was a very fun project.

[cruiser]

In Massachusetts, a motorized bike is also called a moped and they fall under the same laws. You need a valid driver's license and they need to be registered. No insurance or inspection is required.

50cc max engine, an automatic transmission, and a maximum speed of 30 mph are necessary requirements.

A small sticker with the expiration date and transaction number takes the place of a license plate.....

[wolfhound]

Ahhh!!! The Whizzer. I had one as well as a Velo Solex. Rode the Whizzer on WNC graveled country roads, the VS on FL. flat paved roads.Cant remember
ever dropping one.