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GP3 High Performance Throttle Assembly Black

Made for JAWA or Giuseppe Marzotto (GM) Motors. Will also work on any application with 7/8" handlebars.

GP3 High Performance Throttle Assembly Black

ITEM # SW-3112

GP3 8mm Cable Adapter

ITEM # 040317-9

  • Product Description
  • Fitment
  • Resources
  • Additional Information
  • Made for JAWA or Giuseppe Marzotto (GM) Motors. Will also work on any application with 7/8" handlebars. 
  • The newly improved GP3 SPEEDWAY throttle from Joker Machine features ball-bearing action for extra-smooth performance with a more precise feel. A "Quick Change" knob attached to our durable polycarbonate window allows the rider to view the internal workings of the throttle (INCLUDING THE CONDITION OF THE THROTTLE CABLE), and enables the rider to remove the cable from the roller quickly and easily.
  • Inner cable length not including the amount needed for the carburetor is 2-3/4". This is the amount of cable needed to go from the cable adjuster to the throttle tube.


  • All CNC machined billet aluminum contruction from a solid block with military-spec.
  • Hard anodized internal wear surfaces.
  • All new milling features incorportaed around the outside of the housing for improved style and lightness.
  • Has an adjustable throttle rotoation limited screw with lock-nut, that allows you to "dial in" the perfect rotation amount without undo strain on the cable.
  • Has a unique sealed ball bearing cable roller for positive throttle response.
  • Anodized body and grip sections for increased durability.
  • Diamond knurled handle for positive hand grip holding.
  • Has new knurled and slotted cable insert with a larger set screw that enables you rotate the insert slot into postion for quick cable removal.
  • Uniqe design enables quick and easy servicing from top and end sides without disturbing the position of the main body.
  • Has internal o-ring bar seal and nylon washer system for optimum performance.
  • Available in multipul colors.
  • Comes with 10mm cable adjuster. 8mm cable adjuster sold separatly.
  • Made in the USA


  • Joker Machine actually makes what it sells, so all replacement parts are available from us - a wise investment indeed when service is needed.
  • Don'te be fooled by imported copies of these out there....Insist on the original Joker Machine unit,. All throttles are backed up by Joker Machine. Contact us any time for customer service, parts, technical info ect. Un-like our competitors.

Throttle Cable Suppliers

  • Steve Wells Racing 310-774-1494
  • Cody Racing 714-638-5651 
7/8" handlebars
Part # SW-3112 040317 SW-3012