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    not getting full power from 120 hp sport jet

    I have a 1996 Rinker Rocket Jet Boat. With 120 hp sport jet in it. The boat starts fine, engine appears to be running fine. Sounds normal. But I am loosing as much as 20% of its power. The boat did 40-43 mph last season. This season it won't run over 34 mph. It also won't pull me up on...
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    speedometer will not work what can I do?

    I have a 1996 Rinker Jet Boat with a merc 120XR sport jet engine in it. I bought the boat used and the speedometer never worked. The previous owner broke the pick up on the back of the boat off. He then replaced it with a new one but it doesn't work. What can I do? How does it work do I...
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    Does anyone know about a rev limiter?

    I have a Rinker Jet Boat with a 1996 120XR Sport Jet in it. I can't get the boat to fire unless I disconnect the rev limiter. Then the boat fires right up. Can I run the boat with out it? What does this part do? Do these fail often on Sport Jet Engines?
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    Sport Jet 120XR no spark

    I have a 95 or 96 Rinker Jet Boat. With a 120XR Merc Sport Jet in it. I think the engine is 1995 but not sure. I have had very few problems until yesterday. I ran it all day no problem as I was heading home it just died. Engine turns over but no spark. Sounds like the stator after reading...
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