Motorized Bicycle Questions
General Questions
General motorized bicycle questions and answers.
- Threads
- 7,446
- Messages
- 74,370
2-Stroke Engines
Questions about 2-Stroke motorized bike engines.
- Threads
- 4,886
- Messages
- 52,344
Transmission / Drivetrain
Clutch, sprockets, jackshafts, chains, tensioners, pull start, centrifugal, gear ratios, ect.
- Threads
- 1,290
- Messages
- 12,013
Electrical
CDI, wiring, magneto, head lights, tail lights, indicators, horns, charging systems, speedos ect.
- Threads
- 665
- Messages
- 7,973
Performance Mods
Performance carbs, porting, exhausts, expansion chambers, reed valves, boost bottles, ect.
- Threads
- 1,026
- Messages
- 16,178
4-Stroke Engines
Questions about 4-Stroke motorized bike engines. Honda, Robin Subaru, EZM, DAX, HuaSheng ect.
- Threads
- 1,219
- Messages
- 14,115
Electric Bicycles
Electric bike builds, commercial kits.
- Threads
- 539
- Messages
- 6,409
Projects
Photos & Bicycle Builds
Pictures of motorized bike projects and bike builds.
- Threads
- 2,271
- Messages
- 26,594
Video Gallery
Post your motorized bike videos here. You can embed youtube videos using the insert video icon.
- Threads
- 322
- Messages
- 1,219
Frame Mounted Engines
Mounting engines in a bike frame. Brackets, mounting and frame questions. Will the motor fit?
- Threads
- 1,234
- Messages
- 12,384
Rack Mounted Engines
Mounting engines on a rack behind the bike, GEBE ect.
- Threads
- 571
- Messages
- 8,724
Friction Drive
Questions and answers about friction drive bicycle systems. Rollers, tires and gear ratio discussion.
- Threads
- 397
- Messages
- 5,196
Painting, Welding, Bending and Gas Tanks
Painting motorized bike frames and engines. Welding and bending bike frames. Airbrushing and decals. Gas tank fabrication.
- Threads
- 233
- Messages
- 2,672
Motorized Trikes & Quads
Motorized tricycle and quadricycle forum (3 wheels and more).
- Threads
- 202
- Messages
- 2,738
Motorized Recumbents
Recumbent motorized bicycle forum.
- Threads
- 73
- Messages
- 904
Push Trailers
Motorized push trailers to propel your bicycle.
- Threads
- 109
- Messages
- 1,500
- Zekenoscooter
Bicycle Trailers
Tow behind bicycle trailers
- Threads
- 34
- Messages
- 342
Whizzer Motorized Bicycles
Questions and answers about Whizzer motorized bikes.
- Threads
- 1,154
- Messages
- 10,477
Antique Motorized Bicycles
Antique Motorized Bicycles, Old Motorcycles, Board Track Racers and Replicas.
- Threads
- 315
- Messages
- 3,047
Bicycle Repair
Brakes, Tires, Tubes, Wheels, Bearings, Spokes, ect.
- Threads
- 814
- Messages
- 6,927
Marketplace
For Sale
Motorized Bicycles & Parts For Sale. Post links to eBay Auctions or Craig's List ads or upload photos to the forum. Found a bargain that others may be interested in? Post it here!
- Threads
- 2,155
- Messages
- 9,253
Dealer Advertisements
Motorized bicycle dealer parts, products and specials.
- Threads
- 295
- Messages
- 3,443
Dealer Reviews
Reviews and ratings of all the well known motorized bicycle engine kit dealers and parts suppliers.
- Threads
- 330
- Messages
- 4,802
Spare Parts, Tools & Product Developement
Miscellaneous motorized bicycle parts, special tools and product development.
- Threads
- 1,089
- Messages
- 9,920
- Rob Hudson
Community
Introduce Yourself
New motorized bicycle forum members tell us a bit about yourself!
- Threads
- 8,928
- Messages
- 43,178
Laws, Legislation & Emissions
Motorized bicycle laws in countries around the world.
- Threads
- 602
- Messages
- 9,962
Races, Events & Group Rides
Motorized bike racing, events and group rides. Meet up and ride with local members.
- Threads
- 508
- Messages
- 6,598
Travelling, Commuting & Safety
Share your motorized bike rides, adventures, experiences, crashes and safety tips.
- Threads
- 435
- Messages
- 8,615
Stolen Bicycles & Security
Announce your stolen motorized bicycle so other members can track it down.
- Threads
- 129
- Messages
- 1,355
Forum Help & Suggestions
Do you have a problem with the forum or maybe a suggestion as to how we can make this place even better? Please post it here.
- Threads
- 290
- Messages
- 2,721
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SAT OCT 27th 2018 SoCal Motor Bicycle Racing in Perris, CA- Latest: MotorBicycleRacing
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