Sea-Doo 4-Tec Cylinder Damage After a Sea-doo boat came into the shop this week we discovered the supercharger failed. Initially, we see failures like this from time to time and decided to share pictures of the damage. After a Sea-Doo supercharger has bearing failure the compressor "blade" of [...]
100% Gas or Ethanol Fuel for your Boat and Jet Ski. Battle of the Fuels at the Pump. Seems everyone has a different opinion or answer for recommended fuel for marine use. The majority of watercraft we get into the shop have degraded fuel. How often do people check the fuel in [...]
Aftermarket Seadoo Starter Vs O.E.M Why aftermarket starters maybe a bad choice. First off the original Sea-doo starter was designed for the engine and model it was put into. The majority of Sea-doo related starter issues are from "water damage" or just plain worn out. 80% of 2 stroke watercraft that come [...]
Ticking Noise when you Press the Start Button on your Waverunner? Replace the Solenoid! The starter solenoid (sometimes also called a “starter relay”) is wired between your start button, the starter, and your battery. When you press the start button, the solenoid “closes” the connection between the battery and the starter, which [...]
Cavitation Explained The image above represents the same principle in pump cavitation “As water slips around the propellers of a boat, there are places where it experiences sudden, extreme loss of pressure "cavitation". The propeller is making a ‘hole'” in the water, and the more powerful that the propeller is the more water [...]
Yamaha GP1200r Rebuild Part 1
Sea-Doo intercooler leaking Sea-doo intercooler leaks are becoming more of an issue every day. Looks like this ski was not winterized properly the previous season and some of the cooling passages in the intercooler expanded "cracked" and once thawed they leaked. The water from the intercooler was being forced into the [...]
This Impeller and pump were damaged from starting the ski in shallow water. Rocks where processed through the pump into the impeller.
Running a Watercrfaft in Shallow water or near land can suck up debris off the bottom and destroy the pump or wear ring. Always make sure to have atleast 2 ft of water under the ski at idle.
Yamaha vx110 Gasket leak We had a Ski come in with the front 2 spark plug grommets siliconed down to prevent water from leaking out of the head of the motor into the hull ! Motor now has 2 bad cylinders and will need to be rebuilt.
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Video shows how the oil system works on all Seadoo 4 tec engines.