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    93 Mercruiser 4.3L thermostat replacement

    I'm replacing the thermostat, gaskets, sleeve, o-ring in my 1993 Mercruiser 4.3L. Serial number is 0F074116. Based on the serial number it shows a 140 degree and also a 160 degree thermostat. Which is better/correct and is there a kit with all the parts required? Boat is used only in Iowa...
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    Mercarb rear idle screw slips off cam

    Re: Mercarb rear idle screw slips off cam Here are a few pictures, hopefully. Thanks a ton for your responses.
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    Mercarb rear idle screw slips off cam

    I have a '93 Larson 170 with a Mercruiser 4.3 V6. It has a Mercarb carbeurator. Twice last summer the idle screw on the rear of the carb slipped off the cam which controls the choke rod, causing the boat to not idle properly. The screw is only touching the edge of the cam. I am wondering if...
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    Carb rebuild kit needed

    Guys- I am revisiting my carb project for my 93 Larson 170 with the 4.3 V6. The engine model number is 0F074116. With your help, it was determined I needed carb rebuild kit 9437. My problem is that I just found the following stamped on the carb: 9565A-6 and date code 2703. I read somewhere...
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    Need carb rebuild kit for 93 Mercruiser 4.3 V6

    I am trying to find a carb rebuild kit for my 1993 Larson 170. It has a 4.3 V6 Mercruiser with engine s/n 0F074116. The engine is stamped GM 14097289. If there is a number on the carb itself, I have been unable to find it but it is a 2 bbl. I am hoping the engine s/n is enough. The boat...
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