I need some help w/ my ? about jet ski's?

Question:What year did jet ski's come out making the 4 stroke enguines?
How would you tell the difference between the 2 stroke and 4 stroke?
I know 2 stroke goes faster but bad on gas. I want to 4 stroke.

Answers:

Is there good surfing in Japan, if so where & when?

Two strokes are inefficient. They spit up to 30% of their fuel unburned right back into the water.
Thank you for making an effort to buy a 4 stroke. My beach experience will taste, smell, and sound better.
Check out the blue water network website www.bluewaternetwork.org for the facts about 2 stroke engines in PWCs and their effects. This site has the best collection of research data from the USCG, the EPA, the ACA and others.

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I want to know the results of the waterski races in new zealand happening now?

unless you are a professional stick with the 4-stroke, it'll last longer, and run better with less maintenance...

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