Cycle World magazine and our other reviewers say it better than we can:

“[The FX] is perfect for cutting through uncharted territory, light enough to lift over fences, fast enough to keep you smiling and just big enough for real trail rides.”

See below for specifications and features…

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Right now we are in development and testing of our 5th generation (FX5) Mountain Motos.

Here are the latest specs and features of the FX5:

FX Mountain Moto | Unique Features and Benefits

  • World’s lightest adult-sized performance-off-road motorcycle
  • World’s first crossover between top-end downhill mountain bikes and dirt bikes – a whole new category of powered two wheeler
  • 130lb (60kg) ready-to-ride means a totally new kind of riding and exploration – ride, carry, walk, lift, float over otherwise impassable obstacles
  • 130lb means 2 bikes can be carried on a suitable vehicle-mounted carrier
  • Standard 125cc engine (recommended) has plenty of power to climb REALLY steep hills easily with the largest of riders in control
  • 32” seat height is unique for a high-spec dirt bike, virtually anyone can touch the ground when they need to and have superior control over extreme terrain
  • Unique design that strips all the bloat from conventional heavy motorcycles and leaves only what you need
  • Designed and developed in New Zealand, spawning ground of the Hamilton jetboat, the World’s Fastest Indian, the bungy jump, the Britten Motorcycle, the Martin Jetpack, the YikeBike, the Gibbs Aquada and Quadski, … now in collaboration with world famous MotoGP engineers Harris Performance in the United Kingdom
  • Tested and evaluated by NZ Army and Special Forces, NZ Police Search and Rescue, US Army, US Navy SEALs, champions of motocross, Supercross, enduro, trials, Downhill mountain biking, BMX…and people who’ve never ridden motorcycles in their life!

FX Mountain Moto | FX5 Off-Road | Specifications*

  • Weight (ready to ride): top end models starting at 60kg / 130lb
  • Frame/swingarm (chassis): Chrome Moly steel, tube and sheet down to 0.9mm (0.036″) wall thickness, TIG welded
  • Suspension, front: trials motorcycle forks, 40mm stanchions, 165mm / 6.5″ travel, by Formula’s Tech Suspension
  • Suspension, rear: motocross/enduro motorcycle shock, coil spring, 165mm / 6.5″ travel, top end models with Ohlins TTX36
  • Engine: 4-stroke, single cylinder, 125cc standard, up to 190cc upgrades (YX and Daytona-Japan options)
  • Transmission: 4-speed (automatic clutch and manual clutch options)
  • Carburetor: Mikuni
  • Ignition: CDI, NGK spark plug, kick-start (easy on 125cc, decompression assist for Daytona 150-190cc)
  • Exhaust/muffler: USFS-approved with spark arrester
  • Tires, front and rear: Kenda 19″ motocross/enduro 70/100-19
  • Rims, front and rear: RK Takasago Excel motocross/enduro 19″ x 1.40″
  • Drive chain: RK Takasago Excel 420 motocross/enduro
  • Brakes, front: Formula 4-piston hydraulic trials/enduro with trials motorcycle disc standard, enduro disc upgrade
  • Brakes, rear: Formula 2-piston hydraulic trials/enduro with trials motorcycle disc standard, enduro disc upgrade
  • Fuel capacity: 2 gallon / 7 liters standard (3 gallon / 12 liters on Expedition model)
  • Fuel economy: 125cc up to 125mpg (est. max range 250 miles / 400 km standard, 375 miles / 600 km Expedition)
  • Maximum speed: 125cc estimated 60mph / 100km/h
  • Wheelbase: 1350mm / 53″ (similar to KTM Freeride 350)
  • Seat height: 812mm / 32″ (Honda CRF230 is considered low at 34″)
  • Ground clearance: 300mm / 12″ (similar to trials motorcycle)
  • Seat to footpeg distance: 512mm / 20″ (similar to KTM Freeride 350)
  • Rider to handlebar reach: (similar to KTM Freeride 350)


* Final specifications subject to change without notice.