MOTOPED From SOR
Have a spare XR50/pit bike engine and parts lying around and an old mountain bike collecting cobwebs in your garage? Spend your weekend turning them into a fun, efficient way of getting around town with a Motoped ($1,000) conversion kit. All you need to bring to the project are a Honda 50-190cc motor, gas tank, seat, and a couple other parts, along with forks, brakes, wheels, tires, cranks, and pedals from a mountain bike. The kit comes with everything else: frame, swing arm, jack shaft, bottom bracket, rear hub, sprockets, and exhaust. When you're finished, you'll have a 4-stroke motorized bike that you can pedal, or ride on- and off-road.
Or get a complete rolling chassis for only 1500.00
Check out this video Motoped Commute - On & Off Road - YouTube
The Motoped can use any of the Honda mini trail 50, CT-70, SL-70, trail 90&110, XR50, XR70, CRF50, CRF70 from 1969 to 2010. Also any of the Chinese clone (pitbike) engines Lifan, Jialing, YX Works, GPX, SSR, etc. Which motor you choose depends on what type of riding your going to be doing and how much you want to spend. If your going to ride this as a motorized bicycle youll need to choose an engine based on the requirements of your state. If its for off-road, you can use anything you want.
The engine can be any 1969 and up Honda mini trail-50 ,CT-70, SL-70, trail-90&110, xr50,crf50, or any of the chinese import pit bike 50 to 150cc horizontal ohc motors. Semi-auto or auto transmission is best manuel clutch is difficult to use on a motoped because of no foot brake.
Suggested Parts: Honda Lifan Piranha GPX Pitster Pro SSR
The frame comes with the kit, it is different than the stock xr50/pitbike frame. You cannot buy just the rear swingarm and put it on a xr50/pitbike frame. The motor mounts and tank/seat/body mounts are the same as an xr50/pitbike and will accept all of the standard xr50/pitbike componts.
The tank, radiator shrouds, seat, and rear fender are 2000+ Honda XR/CRF50 or chinese import/pit bike.
Suggested Plastic: UFO Acerbis Import Plastics & Tank
Suggested Seat: SDG - Two Brothers - BBR - Red Baron - Imported pit bike seat
The front fork is mountain bike. It should be a dual-crown fork with at least 7″ travel. The head tube is 1 1/2″ (49.6mm) which can be reduced to 1 1/8″ with headtube reducer cups.The head tube is is 4.5″ long. The fork should have a tall crown and a steerer tube at least 8″ long with standard stem or about 7″ long with direct mount stem.
Suggested Parts: Marzicchi 888 - Fox 40′s White Brothers Groove 200 -Manitou Dorado
The rear shock can be a 9.5 (240mm) 3″ stroke pit bike or mountain bike shock. Spring rate is around 450 lb for a 175 lb rider.
Suggested Parts: Marzocchi Roco (9.5L) - Fox DHX (9.5L) - Manitou Revox (9.5″L) - Rockshox Vivid R2C (9.5″L)
Brakes are mountain bike 51mm International Standard disc brake mounts. You should use at least an 8″ rotor.
Suggested Parts: Hayes Stroker Ace v9 - Hope Tech Evo M4 - Shimano ZEE M640 - Avid Code
Hubs and Wheels
The rear hub is custom made and have to get from us. The rear hub is 36 hole, and the rear rim is 24″. The front rim is standard 26″ mtb
Suggested Rims: Halo SAS - Sun Ringle MTX 39 - Alex DX32 Rim - Mavic EX 729 - Odyssey Hazard - Surley Large Marge
Suggested Tires: Duro Razorback 24Χ3.0 - Kenda Tomac Nevegal DH 24Χ2.5, 26Χ2.7 - Kenda Hans Rey Telonix DH 26Χ2.6 - Maxxis Minion DH 26Χ2.7 - Maxxis Holy Roller Urban 24Χ2.4, 26Χ2.4
Cranks and bottom bracket
The bottom bracket is custom made, its wider than a standard mountain bike. The cranks are mtb or bmx with square taper JIS interface. The cranks should be on the short side (160 170mm) to increase the pedal to ground clearance.
Suggested Parts: Sinz Expert (square taper) - Redline Microline (square taper) - FSA Dynadrive (square taper) - AC Mini Le Alloy (square taper) - Snap S1 (square taper)
The exhaust system is custom made by us. If you try to use a standard pit bike(xr50) exhaust system the muffler winds up hanging down about 8″ below the seat, so you have to do some rebending of the pipe and then make your own muffler hanger. We highly recomend using our exhaust system, its tucked tight to the frame and gets routed through the subframe with the muffler under the rear fender, a must when riding with shorts on.
Kick Start Lever
Not all kick starters wiil work, it needs to be a curved folding style kickstarter. The kick start lever has to be curved and fold so that when the lever is kicked downward it clears the pedal spocket and chain that is directly below it.
Suggested Parts: Kitaco kickstart lever (curved folding style) - Import kickstart lever (curved folding style)
Suggested Stem: Easton Havoc DH Azonic Barretta Race Face Atlas & D2 - Truvativ Hussefelt
Suggested Bars: Answer Protaper Atomlab Pimplite DH DMR Wing Bar - Easton EA30 Monkey Bars - Race Face Atlas - Truvativ Holzfeller
Suggested Headset: FSA Pig DH Pro FSA Orbit MX Cane Creek 40 Series - Ritchey Logic
Suggested Freewheel: ACS Crossfire (metric) ACS Claws (metric) Odyssey (metric) - Excess (metric)
SNEVEY'S OFFROAD 530-255-4302 "Quality Parts That Dont Break The Bank"
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Last edited by Snevey; 11-27-2013 at 04:05 PM.