According to Yamaha to break-in a WaveRunner you have to make sure first that the oil level is correct in the engine.

Yamaha jet boat break in. How to break in a new Yamaha Outboard motor. If not ask your Yamaha Jet Boat wheel is centered. You also need a healthy dose of ergonomics and engineering to really get the PWC to dig into turns.

Yamaha recommendations for the proper break-in of your new outboard engine. See Doo Boats Would Get Rusty Rings and Housings. If steering is stiff or misadjusted ask your Yamaha dealer to service it.

Hazard Information Practice turning in an open area without obstructions until you have a good feel for the maneuver. Contact your Yamaha Boat Dealer Navigation charts for the waters where you or the Coast Guard for more information. How to break in a new Yamaha Outboard motor.

How do you break-in a WaveRunner. How to break in a new Yamaha Outboard motor. Click here Yamaha break-in-period-procedures.

The nozzles should both point smoothly from idle to full throttle and straight back when the steering back. Choke Cable Adjustment Both gates should drop down over the nozzles to the stops. I too read the owners manual completely before first launch but the thing they dont tell you in the manual is that your boat and all of them was water tested on the lakeat the plant in Tn.

Courtesy Yamaha But performance is about a lot more than just top speed and hookup. The GP has that in spades with a narrower saddle that allows even smaller riders to tuck their inside knee in and wider self-draining footwells that let the rider brace better with their outer foot. This cooling off period allows all the new parts that are wearing in together a time to contract to their natural state.