Motorbikes by Jason

Motorbikes by Jason Locally owned and operated by Kenosha-native Jason Olbrys. Over 20 years of mechanical experience wi Half pay is required up front for custom. Price negotiable.

Average bike: $425 starting

Customs will be done upon request, prices will vary. Customizations within reason can be added to a standard motorized bike for an additional charge. Maintenance/repair is offered as well. Preferred contact is via phone calls and texts.

04/07/2026

The 100cc ported Kent seachange is ready to go. Took it for a 10 mile ride today and this bike runs like a dream and it powerful and fast. $450.00

I will have this 26 inch seachange up for sale soon. This was a customers bike he left here and never came back for. You...
04/05/2026

I will have this 26 inch seachange up for sale soon. This was a customers bike he left here and never came back for. You know I had to do my thing to it. I added new white wall tires a new heavy duty rear wheel. Put a whole brand new yd100 engine and kit on it. Of course I had to port the engine to get more power outta it. Added a hub mount sprocket with a 40 tooth sprocket or the best of both torque and top speed. I will be letting this thing go for $450.00. If your interested send me a message. This is a great deal and the bike has all the right upgrades and runs awesome.

29 inch genesis GX7 63cc 2 stroke friction drive motorized bicycle. This bike is ready to go and rides like a Cadillac. ...
03/30/2026

29 inch genesis GX7 63cc 2 stroke friction drive motorized bicycle. This bike is ready to go and rides like a Cadillac. It features a very powerful and dependable 63cc 2 stroke engine. I've been using these engines for years and they are very good engines. They are modified by me to get more power outta them and make them more reliable. The friction drive kit itself is a staton us made kit with upgraded bearings and 1 7/8 drive roller for a balance of great torque and top speed. The best part about these friction drive bikes is how reliable they are. It's a very simple design with just a roller on the tire. They are pull start and fully automatic no need to pedal at all. Bike will start from a dead stop and get you to top speed very fast. Bike has upgraded tires and brake pads for better stopping power. Gas tank has been custom mounted and is upgraded to a 1 gallon tank so you can ride all day without worrying about running outta gas. For you nite time ridersi have installed blue LEDs around the wheels This not only looks cool but it will make you been seen. Custom blue CNC throttle tube with custom cnc grips and kill switch. Blue CNC pedals with double leg kick stand. Lots of little blue accents to match the bike like the blue CNC fuel filter blue brake end caps and blue stem valve caps. Lots of custom work into this bike. This bike will do 40 mph and is a better setup and more reliable then any inframe engine setup. I am asking $800.00 firm on this bike. If you have and questions or wanna check out the bike feel free to send me a message. Motorbikes by Jason

Couple of bt100s fixed up and ready for the customer. These engine are super cool. They are electric start and fully aut...
03/24/2026

Couple of bt100s fixed up and ready for the customer. These engine are super cool. They are electric start and fully automatic 2 strokes with a charging system. I might build one of these to sell if they start selling them again.

I will have this bike up for sale soon with all specs and details. I'm just waiting for it to be decent out so I can put...
03/17/2026

I will have this bike up for sale soon with all specs and details. I'm just waiting for it to be decent out so I can put some miles on it and full test it and tune it. Till then stay tuned for more builds repairs and updates.

03/17/2026

Have a regular bike that needs a tune up I can do that. I can true rims fix flats grease bearings. You name it I can do it. Have a motorized bicycle that needs work I can do that also. Have a small engine that needs work like a lawnmower snowblower chainsaw w**d Wacker or blower I can do that also. Any small engine being a 2 stroke or 4 stroke I can work on it. Feel free to send me a message if you need work done on any of above.

I got this customers bike done today. This build was kinda annoying but it came out pretty good.
03/13/2026

I got this customers bike done today. This build was kinda annoying but it came out pretty good.

You will be seen on this bike lol 😄
03/13/2026

You will be seen on this bike lol 😄

02/27/2026

Just got this repair done for a customer and it's running great. Bike came in with a blown head gasket bad seals clogged carburetor and a bad ignition. Also a broken throttle cable loose chain and the back wheel had some play in it. Replaced everything and got this bike back on the road. This bike was originally built by me and had a little over 600 miles on it with no maintenance done on it. It's ready for anther 600 miles.

Going to be decent out tomorrow might take this genesis 63cc friction drive for a ride and tune it.
02/27/2026

Going to be decent out tomorrow might take this genesis 63cc friction drive for a ride and tune it.

Someone didnt take there motorized bicycle to motorbikes by Jason and it shows.
02/27/2026

Someone didnt take there motorized bicycle to motorbikes by Jason and it shows.

Address

Kenosha, WI
53140

Telephone

+12623583469

Website

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