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Old 03-23-2013, 09:04 AM
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thatsmrmastercraft thatsmrmastercraft is online now
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Join Date: Sep 2008
Boat: 1977 Stars & Stripes
Location: St. Paul, MN
Posts: 15,041
Originally Posted by Mark rsa2au View Post
I pulled the correct temp sensor out (with the 2 wires) and tested resistance at 10deg C intervals up to 90degC and it was fine. A few ohms out from spec or the thermometer I was using was a little out, but either way it was registering HOT.

Engine was in Diagnostic mode at 1000rpm. How do I check the shaft bush, which shaft? the distributer shaft I assume?

Cap rotor and plug wires are origional - 270 hrs on a 2001 boat
Cap and rotor definitely need to be replaced. I would replace the wires as well. You may be dealing with a simple cross-fire issue.

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