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Recent content by Bob Moors

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    Need Help Optimax 225 2004

    I bought this used, engine runs at high speed when started. I get throttle sensor error. I replaced the throttle position sensor and get the same error. Tach gives message limp home mode. Why does the engine power up going this fast seems to me in neutral it should just idle and then have a...
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    Anyone using SeaStar Matrix Guage on Smartcraft Can bus?

    I am wondering if any user has tried these out?They are about 1/3 the cost of the Mercury Marine part.
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    2004 Optimax 225 Salt Water Idles too high

    I bought this engine off Ebay and had a Merc shop start it up and run it. It seemed fine. I took it back home and had it mounted on the boat. Now it starts up, but idles really fast. None of the gauges work on the boat as it has the white back VDO smartcraft which were only good for 2001...
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    DF40 Vapor Separator Issues 1999 model

    I have not used this engine in several years. I replaced the electric fuel pump inside the vapor separator. The engine idles fine and runs upto about 2500 rpm, then it starts cutting in and out like the fuel is cutting out. In the very bottom of the unit under a plate is a small $200 part...
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