Ducati Tracker, Earle Motors 17 July 15

Alex Earle of Earle Motors was wondering what to do with his now aging Monster, he decided to build a taller, more bad·ass bike utilizing the nice italian v·twin and a classic flat tracker proportion. Horizontal profile, tall, narrow wheels (19' track only tires) flush number plate and high bars, all the while retaining roadworthiness.

Flat tracking is an obscure form of racing showcased by Mert Lawill in Steve Mcqueen's classic movie "On Any Sunday" always appealed to me. He loved the brutal look of flat track racers and felt this could be a perfect antidote for the current proliferation of cafe bikes.

His plan was to produce these kits for builders, it currently fits any first generation Ducati Monster and could easily be altered to fit Harley XR1200'5 or Triumphs.

He produced the concept sketches, then a 1/5 scale model in foam, paper and styrene. Next, the model, Ducat! motor and frame were 3-D scanned to facilitate the building of the 3-D digital data. The data was used to mill a female mold from which the fresh, new bodywork emerged. As this was being completed, the graphics and new aluminum gas tank, header and wheel adapters were fabricated. The end result is bodywork that highlights perfectly, straight out of the mold with the fit and finish of an OEM production machine.

The gas tank holds approximately 3 gallons of fuel and includes the threaded bung for the petcock and factory fuel sending unit. The cap is a Ducati Performance vented unit. To keep the height of the tank low the factory airbox was eliminated and replaced with K&N direct filters. For the rear wheel, a Harley 19" front wheel was widened to 3-1/2". For the front, a Kawasaki wheel was used almost stock. Both wheels required major major machining to make them fit and then they were finished in wrinkle finish black powdercoat.

The header is 1-3/4" stainless with cored S2R mufflers, plumbed straight through. The front and rear header lengths were engineered within an inch of each other, much better than stock, they produce a crazy even exhaust pulse and sound amazing. Like a big, hairy nascar V-B, everyone should have these on their Ducati. Most of the wiring harness was relocated in front and below the carbs. The battery now resides on a custom tray under the seat and required almost no modification except lengthening the positive battery lead. The rear frame section was replaced with a simple tube matched to the curvature of the bodywork. a seat support/gas tank support tower was also added. The entire frame was treated to a general clean up, improvement of some less than beautiful welds and an array of new tabs for mounting various components. The swingarm required minor machining to increase the adjustability at the rear. this is required to clear the tall dirt tire.

A Baja Designs driving light is positioned in the thin number plate, off center to clear the headstock and provide a sci-fi look. Its high and low beam are switched electronically and it is incredibly bright. Fork protectors keep the sliders free of pits and give the bike the look of a real brawler.


  • Ducati Monster M900
  • Seat Height: 33.5"
  • Front Wheel: 19" Kawasaki
  • Rear Wheel: 19" Harley widened to 3.5"
  • Front Tire: Maxxis DTR-1 (27x7-19) CD-3
  • Rear Tire: Maxxis DTR-1 (27.5x7.5-19) CD-5
  • Battery: Ballistic 8-cell
  • Headlamp: Baja Designs Squadron, yellow lens
  • Taillamp: Mad Doctor
  • Speedo: Knog 12 function wireless, waterproof
  • Drive: 14T
  • Sprocket: 42T
  • Pegs: Solid NOS Ducati Performance
  • Bars: Renthal Fat Bar, ATV rise, 31" wide
  • Brakes: Stock caliper and rotor, Brembo radial shorty levers
  • Gas Tank: Approx. 3 gallons, Ducati Performance cap, stock fuel sending unit.

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Alan Goodsell , 17 July 15