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  1. M

    2000 Johnson 150 sensor questions

    I am trying to determine if overheating problems are coming from my temp sensors. I have removed them, one is an Airpax 9935 and the other an Airpax 9936 I can find no information online about ether one of them. The 9935 has two wires one white/black on Tan/blue. The other has only one wire...
  2. M

    Johnson 150 hp 2000 overheating alarm help!

    Here is the problem.. Running at full speed the HOT light and buzzer come on and I immediatly loose RPM's. When I back off the throtle the buzzer and light go out within about a minute or two. S.L.O.W apparantly kicks in because I cannot run over 2500-3000 rpm without problems. When I kill...
  3. M

    Johnson 150 Seahorse Problems, Please Help!

    I have a 2000 Johnson 150HP Seahorse outboard. Last year I put a new powerhead on due to a malfunction in the oil injection. I converted and now mix my oil. Reciently I was running and the temp alarm sounded and rpm's dropped. I turned the motor off and restarted with no problems. At low...
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