I'm a little confused about whats right. This fall when weather started to get cold here I decided ( as I have done with my previous boats) to winterize my kawasaki jet ski. While I was searching for the best price around town I was surprised to learn that unlike boats different dealers have completely different ways of dealing with the cold. One dealer that all they've been doing throughout the years is running the motors dry until all the water is expelled. The next dealer said that I should take some part of the plumbing off and blow pressurized water through what I presume are the lines. And the last dealer said that I should run antifreeze through seawater lines to get the water out. Of course all of them Fogged the engines. What do you think is right? are all the methods okay?
In the cold you want to get out all the water as it can freeze and expand and possibly crack your cylinders and exhaust manifold. You want to run Jet Ski engine as it will get water out of exhaust system. You can blow compressed air through the water line that goes to the jet pump (blow air both ways). Or you can add antifreeze to the cooling lines filling up the waterjackets. Also add some fuel stabilizer to the fuel or plan on draining the gas before you go riding again and add fresh gas (You can take the old fuel and put it your car). You should add an ounce of oil in each cylinder, Charge the battery from time to time during winter.
I have a Yamaha GP 1200 and A Yamaha Waveriader 700. Both of these Jetskis had their Yamaha impellers freeze up in the Yamaha jet pump housing. My mechanic said this was the result of salt ( I run these PWC's in salt water) getting behind the impeller housing and causing expansion of housings into impellers. The JetSki mechanic suggested that I hose off the impeller and housing after each use. The Yamaha GP1200 has a Solaris SS impeller while the 700 is stock. Thanks for your assistance.
Hi Buck, Your mechanic is right and you should wash off salt every time you ride Jetski watercraft in ocean. It will help preserve your jet ski and its jet ski parts. The Yamaha Jet pump housing has this issue of becoming out of round due to a chemical reaction behind the Yamaha wear ring. We offer a solid steel Yamaha pump housing that will solve this problem.
Watercraft Mechanic PRO
I have 2 1998 Kawasaki ZXI 1100's machines and they are both hard starting unless i pull the spark plugs and put a little gas into cylinder. If I do this they start right up. Can I put an inline gas bulb into the gas line and force gasoline into the cylinders before I try and start them?
Yes, but we call it a primer kit. These primer kit will allow you to squirt gas into carbs with a push pull plunger that hooks up to the fuel line. Not only does the jet ski primer kit help with starting it also adds life to your Jet Ski starter.
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