How to Lube a Throttle Cable


The throttle cable on a motorcycle, four wheeler, or practically any small engine is a part that can usually last a lifetime. However, if not properly lubricated, it may become impregnated with dirt and grime and not function as designed.

Things You'll Need

  • Assortment of screwdrivers
  • Small set of box-end wrenches
  • 1 can degreaser
  • 1 can good-quality lubrication spray
  • 1 adjustable pliers/needle-nose pliers
  • 1 cable lubrication tool
  • Locate the operating end of the throttle cable. (Usually on the handle bars or near the control panel.)

  • Loosen the locking nut or jam nut for the throttle cable lever or handle.

  • Unscrew the main throttle cable adjustment assembly and remove from the throttle cable lever.

  • Pivot the entire throttle cable toward the right or left at approximately 90 degrees to allow the cable end to slip out of the throttle lever.

  • Disconnect the throttle cable from the carburetor of the device using the needle-nose pliers. This is done normally by disengaging the cable end, which has a bend in the throttle wire or a slot to pivot the cable and remove the cable through the slot. (Note: Sometimes a small screw or bolt with a mounting bracket will need to be loosened and removed to allow the cable to be disengaged.)

  • Place the cable lubrication tool on the end where the throttle lever was located and be sure that the tool is tight on the cable so as to force cleaning solution down the entire length of the throttle wire and cable housing.

  • Insert the spray nozzle tube from the can of degreaser into the small hole of the lubrication tool and spray a liberal quantity of cleaner/degreaser to flush out dirt and grime.

  • Remove the spray nozzle tube from the can of degreaser from the lubrication tool and now insert the spray nozzle tube from the can of lubrication.

  • Apply a liberal amount of lubrication in the same manner as you did when cleaning the cable.

  • Arrange the cable back in place using the same route or path that it was removed from originally.

  • Reconnect the remaining end of the throttle cable to the carburetor and replace any mounting brackets that were removed earlier in the removal process.

  • Adjust the throttle cable pull using the main throttle cable adjustment assembly nut and then secure the jam nut.

  • Start the engine and check for proper operation and enjoy your ride.

Tips & Warnings

  • Some degreaser and lubrication can be eye irritants, so be careful when using the lubrication tool and placing the throttle housing and wire under pressure from the aerosol cans that liquid does not enter your eyes and cause irritation.
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