Used Jet Skis Can Come with A Ton of Problems.

Yamaha jet boat loss of power. This video is about loss of power for a jet outbord motor on a jon boat About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features. The boat is steered by a movable nozzle that aims the stream of water left or right. I think it has to do with the impeller having to push the water through such a tight whole.

When I first got it there was no problem. I let it run full throttle for a few minutes and then all of a sudden it burst into full power and back up to 7400 RPM at 50 MPH. Is is a supply problem or a carb problem.

Compatible with mechanical controls our Multi-Function Tiller Handle analog gauges and Command Link 378 pounds including jet pump assembly Fits 25-inch transom boats. Yamahas Suite of Advanced Responsive Handling Boat Technologies - Duration. I agree on the bulb.

Then test the boat and adjust the height if necessary as high as possible without air entering the pump and causing cavitation slippage. That only lasted for a couple of minutes and then the engine went back down to half power. Available for 19 bowriders and FSH models upgraded amp and subwoofer are part of premium packages only.

At the marina I work at one Yamaha ha I think 310 HP. The typical improvement is 6. If you need to do a self-diagnosis on your Waverunner then with the engine running press the select button 1 for 8 seconds and look for an error code.

The fuel programming on EFI up-to-date boat power plants is controlled by the ECU. Understanding your jet boat Most boat owners like to perform at least a certain amount of their boat maintenance themselves to ensure continuing good performance and reliability. Jet boats may have one or two engines and jet pumps.