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  1. J

    merc 4.3l thermostat replacement

    Ive got a 87' chaparral with a mercruiser 4.3l two barrel engine in it. I bought a thermostat kit part# 18-3668 to install. It is the new design cooling system according to pics ive seen. The thermostat that came out of the housing fits in the sleeve perfect. The new thermostat does not. The...
  2. J

    As usual... a shift problem.

    I have a 89 chaparral 187xl with 4.3 and alpha outdrive. the boat has been awesome. The problem im having is when the boat is in the water its tough to shift the handle forward and reverse. Plus it won't go into neutral when put in neutral position. It just idles in forward or reverse depending...
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