OIL removal ?

[speedster4us]

OK, I have now been through 1/2 tank of oil on my Speedster. So I contacted the old owner to see what he was running, and come to find out, he said whatever JET SKI oil he could get his hands on. Now I do know that you are NOT to mix different brands, so my ? is. Is it OK to just take the oil tank out and empty it and replace with NEW seadoo syn. oil, or do I need to go further into it??? I assume beings he has mixed the oil with different brands that it would NOT hurt to take it as far as just removing the oil in the tank.. What do you guy's think???

 

[kustomkarl]

Here is some info on the oil and fuel to use;
Use High quality low ASH API TC Injector oil.
Do Not use NMMA TC-W, TC-W2 or TC-W3 outboard motor oils or other ash less type 2 cycle oil. Avoid mixing different brands of API TC oil as resulting chemical reaction will cause severe engine damage. Never mix Mineral or synthetics oil together.

Never use fuel containing more than 10 % alcohol,( Methanol or Ethanol) as severe damage will occur. The minimum of 87 octane is recommended for most engines.


Here is a step by step to the oil pump oil lines;

After you drain the oil from the oil lines and refill them, you have to be sure there is no air in the lines when the engine starts up or it will cause the engine to seize up. You need to fill the oil lines back up with oil. To drain the oil from the Rotary Valve Chamber, ( if yours has a rotary valve) use a shop vac to suck the oil out of the hose…it’s the one that is 3/8” diameter. I attach the empty lines back to tank and fill the tank. The oil line going to the oil injector pump attaches to a elbow fitting on allows the oil to flow to the pump. I let the oil drain into the oil line to the pump first and put a small cup at the end of the oil line, to catch the oil coming out of the end of full line. Attach the full oil line to the elbow on the oil pump. There is a bleeder screw on the pump. Lay a rag under the bleeder screw. Open the bleeder screw till the pump has oil coming out. Tighten the bleeder screw. Be sure the oil is full in the small 2 lines also. Let the oil seep out the ends of the small lines to fill the lines as best as you can. Connect the 2 small oil lines from the pump to the carburetors. Where the cable is connected is a Disk,(pump lever) that the cable is attached to. Check that the mark on the pump aligns with the mark on the disk. Apply the throttle with the ENGINE OFF and check that the cable is in sync with the oil injector cable. They should move open and close at the same time. To bleed the 2 small lines and get the bubbles out, start the engine, on the water hose. DO NOT APPLY THROTTLE. Let the engine IDLE. Turn the Disk,( pump lever) that the oil injector cable is attached to, to full open so the air bubbles travel to the carburetors and leave no bubbles in the line. Don’t run the seadoo for more than a couple minutes on the hose.
For the Rotary Valve Gear Shaft, attach the hose on the tank and allow the oil to fill the hose and attach it to the case. Recheck all the oil lines and be sure they aren't leaking any oil. If you still have any questions give us a shout.

Karl

 

[scooper77515]

There is a correct way to do it, and Karl has outlined it.

You "might" get away with just draining and cleaning the tank, but is it worth it to you to take a chance with it?

Besides, when those different oils mix, it turns to jello. So your current oil squirting into the engine is probably WAY less than it should be. There are clumps of jello all over inside that system, and being heavier, they tend to sink to the bottom.

Pic if of the jello coming out of my hose when I did mine a couple weeks ago. I am amazed the engine was getting ANY oil, and glad I suspected low consumption and started to premix.

This is some other stuff I found floating in the oil, looked kinda like wet leaves, but was one of the ways the oils reacted.

And change out that filter...

These pics are from another thread I wrote on this when I did my cleanup, can someone show me how to make the pictures show up rather than just this text?

 

[kustomkarl]

Scott, the attachment is going to do that unless you post them in Like www.Photobucket.com and post them as an IMG file in the "Go Advanced" response section.

Karl

 

[scooper77515]

Usually, I just post them to my Maverick website and link off of them, but these I wanted to stick around in case I someday leave. It is interesting to hear about them not mixing, but much cooler to see pics of the sludge they leave behind.:hat: