With 17 Bears in the past three years, TXM has established itself as a premier engine shop for kart racers. TXM owner Ted Greenwood has remained on with GreenSpeed and under the tent as Director, Engine Support and will be supporting GreenSpeed with Honda and Rotax engine service and support.

TXM is a karting specialist and is active in all categories of racing. We provide full machine shop services. Whether you need a motor, want to rebuild your own motor, make an existing motor faster or just want a stock rebuild and setup give us a call.

Engine Sales       

Honda GX160 4-Cycle Engines

Engine Specifications:

  • Engine type: Air-Cooled, 4-stroke, Single Cylinder, OHV
  • Bore x Stroke: 68mm x 45mm (2.7 x 1.9in)
  • Displacement: 163 cm3 (9.9 cu in)
  • Dry weight: 13 kg (28.7 lbs)
  • Cooling system: Fan
  • Ignition system: Transistorized Magneto
  • PTO shaft rotation: counter clockwise

Honda GX200 4-Cycle Engines

Engine Specifications:

  • Engine type: Air-Cooled, 4-stroke, Single Cylinder, OHV
  • Bore x Stroke: 68mm x 54mm (2.7 x 2.1in)
  • Displacement: 196 cm3 (12.0 cu in)
  • Compression Ratio: 8.5 : 1
  • Dry weight: 16 kg (35.3 lbs)
  • Cooling system: Fan
  • Ignition system: Transistorized Magneto
  • PTO shaft rotation: counter clockwise

Rotax FR125 Max JR

  • 124.8cc displacement
  • Bore & stroke 54 x 54,5mm
  • Peak performance: 22 HP
  • Revolution limiter at 13 800 tr/min.
  • Reed valve intake
  • Dell'Orto 34mm carburetor
  • Lubrication oil / fuel (1:50 ratio)
  • Liquid cooled; circulation by integrated pump
  • Aluminum radiator; connected directly to the engine
  • Intake silencer with integrated air filter
  • Dry centrifugal clutch
  • Tuned exhaust with muffler (one piece)
  • Standard sprocket 13T (12T & 14T available)
  • Dry weight 12 kg w/o accessories
  • Power supply from12V battery
  • Electric starter

Rotax FR125 Max

  • 124.8cc displacement
  • Bore & stroke 54 x 54,5mm
  • Peak performance: 28.5 HP achieved at 11 500 RPM
  • Torque 21 kw max @ 11 500 RPM; 21 Nm max @ 8 750 RPM
  • Revolution limiter at 13 800 tr/min.
  • Reed valve intake
  • Dell'Orto 34mm carburetor
  • RAVE valve
  • Lubrication oil / fuel (1:50 ratio)
  • Liquid cooled; circulation by integrated pump
  • Aluminum radiator; connected directly to the engine
  • Intake silencer with integrated air filter
  • Dry centrifugal clutch
  • Tuned exhaust with muffler (one piece)
  • Standard sprocket 13T (12T & 14T available)
  • Dry weight 12 kg w/o accessories
  • Power supply from12V battery
  • Electric starter

TXM Engine Services       

Complete Race Motor Preparation and Building

Race Engine Maintenence

Complete Dyno Testing & Services

Full Carb Service & Maintenence

Custom Exhaust

Custom Ignitions

Air Boxes

Brakes