Yamaha - Body, throttle 1 - 67H-13751-00-00 Yamaha Boat | WaveRunner Cylinder Heads & Blocks starting with a blank slate

starting with a blank slate

or on top of wax or ceramic coatings

especially if the lower unit is already off

On many EFI models

The YJA-01156-30-02 is a genuine Yamaha original equipment manufacturer impeller housing

Yamaha - Body, throttle 1 - 67H-13751-00-00 Yamaha Boat | WaveRunner Cylinder Heads & Blocks starting with a blank slateYamaha Body, Throttle 1 Air Intake Component 67H 13751 00 00 Overview When throttle response starts feeling off or inconsistent, the throttle body is usually where I start looking. This part controls how air enters the engine, and if its worn or sticking, youll notice hesitation or uneven acceleration. Ive worked on plenty of Yamahas where cleaning only goes so far and replacement is the real fix. When its working right, throttle response feels smooth