• Sponsor

  1. Motorized Bicycle Welcome Forum

    1. Welcome to the World of Motorized Bicycles

      Forum announcements and instructions for posting on motorbicycling.com. To start a new thread choose the appropriate area. No new threads can be started in this area
      109
      2,122
      bairdco Latest: Finding adapter to fit KX expansion chamber bairdco, Jul 14, 2019
      RSS

    2. Introduce Yourself

      Meet & greet your fellow motorized bicyclists, make introductions and even find others in your area.
      6,107
      41,231
      B-RADs Army Latest: Howdy from so.cal! B-RADs Army, Aug 23, 2019 at 12:02 AM
      RSS
      3. Show Forums
      Collapse Forums

  2. Bicycle Engine Kit Repair - Top Posts

    1. Instructions for Building and Repairing Motorized

      Classic posts on building, repairing and modifications.
      149
      847
      waynesdata Latest: What to upgrade 1st? waynesdata, Aug 20, 2019 at 6:32 PM
      RSS
      2. Show Forums
      Collapse Forums

  3. Motorized Bicycle

    1. Motorized Bicycle General Discussion

      All topics regarding bicycles with engines.
      9,812
      116,222
      Greg58 Latest: type of plug and spark plug? Greg58, Aug 24, 2019 at 7:09 AM
      RSS

    2. Motorized Bicycle Welding, Fabrication and Paintin

      Custom fabrication and projects, tanks, frames and more.
      801
      13,252
      Jackelope84 Latest: gender bent cruiser Jackelope84, Aug 10, 2019
      RSS

    3. Motorized Cruiser Bicycles

      The beach cruiser has always been great bicycles to motorize. They just look good with a motor. Use this section to share and discuss about motorizing this classic.
      1,489
      25,020
      indian22 Latest: Trying to build a tricycle indian22, Aug 24, 2019 at 6:49 AM
      RSS

    4. Motorized Mountain Bikes and Road Bikes

      Motorize a full suspension mountain bike to get a smother ride or for a little more speed try motorized road bicycles. This section is for sharing ideas on motorizing your mountain and road bikes.
      649
      9,331
      seanbbolson7878 Latest: No power when clutch is engaged seanbbolson7878, Aug 22, 2019 at 1:55 PM
      RSS

    5. Motorized Tandems, Trikes and Recumbent Bicycles

      Trikes (tricycle) and recumbent bicycles can give the ultimate in comfort for cruising on long trips or just around town. Ad an engine and they will really turn some heads.
      375
      11,217
      fasteddy Latest: Indian Tadpole fasteddy, Aug 20, 2019 at 7:22 PM
      RSS

    6. Stretch Cruiser & Chopper Motorized Bicycles

      This area is for sharing all about our custom stretch cruisers and choppers.
      798
      10,910
      wheelbender6 Latest: The OfFiCIaL Low Rider Motorized Bicycle Thread wheelbender6, Aug 20, 2019 at 10:33 PM
      RSS

    7. Board Trackers and Vintage Motorized Bicycles

      Vintage enthusiasts share your board trackers and other vintage motorized bicycles ideas, builds and replicas here
      1,446
      39,087
      Ludwig II Latest: Hi from the UK - INDIAN Board Tracker tribute, my first build Ludwig II, Aug 24, 2019 at 4:31 PM
      RSS

    8. Whizzer Motorized Bicycles

      Whizzer bicycles are still produced today and are one of the oldest motor bikes around. Share some of your stories about this timeless classic with us today
      385
      5,104
      wrench Latest: Breather wrench, Aug 20, 2019 at 8:27 PM
      RSS

    9. Motorized Rat Rods

      Rat rods are in a class all by themselves. take a look and share your creations here.
      156
      2,336
      Mikunimike Latest: Pocket bike build Mikunimike, May 5, 2019
      RSS

    10. Motor Bicycle Safety And Stolen Motorized Bicycle

      Share safety tips. Some of these bicycle engines will reach great speeds and need respect. Also post stolen motorized bicyclesand maybe someone will let you know if seen
      305
      5,342
      Apache Bronco Latest: In the news... Apache Bronco, Jul 29, 2019
      RSS

    11. Pre-Motorized Bicycle Information.

      Before you mount that engine to your bicycle frame, you'll want to know if the bike is ready for the engine! Ask our experts here for advice on what will perform well.
      623
      6,700
      wheelbender6 Latest: Frames wheelbender6, Jul 31, 2019
      RSS

    12. Motorized Bicycle Accessories

      What are some of your favorite accessories. Saddle bags, apparel ect. Use this area to share them.
      104
      1,128
      EZL Latest: Is the spring chain tensioner any good EZL, Aug 13, 2019
      RSS
      13. Show Forums
      Collapse Forums

  4. Bicycle Motor

    1. 2 Stroke Bicycle Engines & Kits

      2 stroke engine kits need careful installation and setup, find out how from our professionals here!
      3,079
      37,657
      FOG Latest: 48cc/60cc crankshafts the same? (need replacement in Aust) FOG, Aug 23, 2019 at 12:01 PM
      RSS

    2. 4 Stroke Bicycle Engines & Kits

      4 stroke engine kits are great if you want reliability or do not want to mix your oil and gas. Learn from each other how to get the most out of your 4 stroke bicycle engine
      1,536
      21,271
      indian22 Latest: What carburetor for 79cc predator? indian22, Aug 21, 2019 at 9:42 AM
      RSS

    3. Morini Bicycle Engine

      Italian made Franco Morini engines are the ultimate bicycle motor. Learn and share how to get the most out of morini motors.
      216
      3,819
      Greg58 Latest: Goat's SCSW BoXer Greg58, Jul 22, 2019
      RSS

    4. Motorized Bicycle Trouble Shooting

      Use this area to post problems that may arise, if you could use some help in figuring out what is wrong with your engine and what needs to be done to achieve top performance.
      2,635
      28,188
      4izzy Latest: Good?Bad?Lean?Just right?Need bigger Jet? 4izzy, Aug 23, 2019 at 9:46 PM
      RSS

    5. Mounting Techniques for Bicycle Motors

      Every frame is different. Share and ask questions about mounting your engine kit to your frame or rack
      547
      6,553
      MotoMagz Latest: Rear Axle Drive? MotoMagz, Aug 3, 2019
      RSS

    6. DIY Home Built Motorized Bicycle (non kit)

      Post all about your home built rides here. Weedwacker motors, lawn mower engines ect. This area is for non kit builds
      1,136
      22,033
      Ludwig II Latest: Motorised bicycle from generator motor? Ludwig II, Aug 18, 2019 at 8:47 AM
      RSS

    7. High Performance Bicycle Engine Tips and Motorized

      We all want our bicycle engines to push our bikes faster. Get exclusive engine modification tips and suggestions from us. Also check out some of our racing members builds
      939
      17,323
      Tyler6357 Latest: PLEASE HELP!! Tyler6357, Aug 18, 2019 at 3:51 PM
      RSS

    8. Norm's 2 stroke repair center

      Having problems with your 2 stroke engine? Just ask Norm, he loves to tinker and troubleshoot engines
      493
      5,258
      Swaltz Latest: Machine work Swaltz, Aug 13, 2019
      RSS
      9. Show Forums
      Collapse Forums

  5. Motorized Bicycle Mechanical Components

    1. Heads and Cylinders

      All about your porting, compression, rings, cylinder and piston modifications to your bicycles engine
      426
      5,998
      Clats97 Latest: What Compression Reading Should I Get? Clats97, Aug 22, 2019 at 2:23 AM
      RSS

    2. Intake & Exhaust

      The ins and outs - carburetors, manifolds, mufflers, expansion chambers and more to keep your engine running the way you like
      1,160
      10,646
      Venice Motor Bikes Latest: case reed project Venice Motor Bikes, Jun 29, 2019
      RSS

    3. Lighting and Electrical

      Things that go ZOT! Ignition components, batteries, lighting and accessories
      713
      7,732
      curtisfox Latest: Cheap 6 volt lighting system!!! curtisfox, Aug 19, 2019 at 3:57 PM
      RSS

    4. Hubs, Gearboxes, Sprockets and Chains

      Can't find 'em, grind em - hubs and transmissions, problems and modifications to make you run smooth and trouble free
      1,204
      11,022
      MEASURE TWICE Latest: Two Speed Automatic Transmission MEASURE TWICE, Aug 7, 2019
      RSS

    5. Wheels, Brakes and Suspension

      All about suspensions, rims, tires and disk, drum and caliper brakes
      960
      8,344
      curtisfox Latest: Whay are the best 26" non-black Cruiser tires? curtisfox, Aug 24, 2019 at 2:33 PM
      RSS
      6. Show Forums
      Collapse Forums

  6. Electric Bicycle Forum

    1. Electric Bicycles, Trikes and Recumbent Bicycles

      Electric bicycles are quiet and efficient form of transportation for general commuting.
      638
      10,633
      Toro1978 Latest: Felt mid drive Toro1978, Aug 23, 2019 at 2:16 AM
      RSS

    2. DIY Electric Bicycle Hub Motors and Kits

      Electric bicycle engine kits are clean, quiet, and efficient. Learn about electric bike range, speed and cost by sharing your experiences here.
      152
      1,928
      bluck Latest: 3000W SBP Battery Questions bluck, Mar 27, 2019
      RSS

    3. Electric Bicycle Non-hub Motor Drives

      This section is for e-bikes powered by rc motors, gear driven and roller type motors
      53
      857
      elewayne Latest: Dyno Mid-Drive Shifter Build elewayne, Jul 14, 2019
      RSS

    4. Electric Bicycle Batteries and Accessories

      Discussion about battery options and different accessories like voltmeters, speedometers and other things to add to your e-bike
      124
      1,952
      Nashville Kat Latest: A shorter range solution ? Nashville Kat, May 6, 2019
      RSS
      5. Show Forums
      Collapse Forums

  7. Hybrid Motorized Bicyles & Tricycles

    1. Hybrid Bikes & Trikes

      Hybrids use more than one type of motor to maximize efficiency & range. With a long history of innovative use & design this section is for sharing your ideas and hybrid creations.
      40
      1,192
      indian22 Latest: I built a hybrid AWD bike indian22, Aug 18, 2019 at 7:52 AM
      RSS
      2. Show Forums
      Collapse Forums

  8. Motorized Bicycle Tavern

    1. Motorized Bicycle Pictures

      Use this forum to share your pictures
      1,505
      16,952
      Ludwig II Latest: Non US/European Motorized Bicycles Ludwig II, Aug 20, 2019 at 10:11 AM
      RSS

    2. Motorized Bicycle Videos

      Use this area to share your videos
      666
      5,077
      Greg58 Latest: Haralson Ga. Ride 8/10/2019 Greg58, Aug 21, 2019 at 6:04 AM
      RSS

    3. Travels, Adventures and Motorized Bicycle Touring

      Use this forum to tell us about your travels around the neighborhood or around the world
      352
      4,765
      MEASURE TWICE Latest: Hollister CA MEASURE TWICE, Mar 26, 2019
      RSS

    4. Motorized Bicycle Racing

      Here you go race fans!
      15
      620
      BobbyT Latest: V1 Interceptor BobbyT, Oct 14, 2018
      RSS

    5. Motorized Bicycle Events, Races and Rallies

      Promote your events and get togethers here to help spread the word about bicycles with motors! This area is for anything from a large event to a back yard BBQ.
      729
      19,931
      Mr.B. Latest: 2019 5th Annual Midwest Scarecrow Run 6/8/2019 Mr.B., Aug 3, 2019
      RSS

    6. The Tavern

      Kick off your shoes and sit back with your favorite beverage and enjoy talking about whatever you like.
      2,767
      38,965
      indian22 Latest: Bike builders that have machine tools/shops indian22, Aug 24, 2019 at 7:41 AM
      RSS

    7. Laws and Legislation for Motorized Bicycles

      Share you knowledge of the laws in your state in this forum. Remember to always verify everything yourself with your dmv
      659
      13,093
      curtisfox Latest: Idaho Moped Law curtisfox, Jul 29, 2019
      RSS

    8. Suggestions

      This is the members forum. Help to make the forum better with your suggestions
      244
      2,575
      Tony01 Latest: Find all threads posted by this user Tony01, Jun 14, 2019
      RSS

    9. Motorized Bicycle Swap And Shop Sales

      Buy, sell and trade your engines, parts and accessories
      4,004
      30,636
      Monark1950 Latest: helio bikes? Monark1950, Aug 9, 2019
      RSS
      10. Show Forums
      Collapse Forums