Throttle cable WC-05106, OEM part number 54012-3712, is a control cable used on certain Kawasaki PWC models (Jet Ski) for throttle actuation. It is manufactured by Wavewerx as an aftermarket replacement for the original Kawasaki part. 

Features

• Designed specifically to replace the OEM throttle cable for 1988-1990 Kawasaki 550 SX models.
• Manufactured for durability and compatibility with original routing and attachment fittings.  

Specifications

• OEM part number: 54012-3712
• Alternate SKU / Aftermarket identifier: WC-05106 (Wavewerx)
• Length and “throw” (how far the throttle lever moves) are not clearly listed in the sources for this exact cable; some related cable specs for similar years (1990) show ~86.5 in overall length and ~4 in throw. Note: that spec (86.5?, 4? throw) is for 1990 cable part 54012-3723 (not the 1988-89 54012-3712 version).

Cross-Reference OEM Part Numbers

• 54012-3712 = OEM part for 1988-1989 Kawasaki 550 SX / JS (throttle cable) 
• Note: part 54012-3723 is used in 1990 model year for 550 SX. Similar fits but slightly different version. 

Vehicle Fitments

• Kawasaki 550 SX, model years 1988-1990