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  1. 7

    Monitoring Engine Temp On Older Outboard

    Wondering if anyone has a cheap and dirty solution to monitor engine temp on an older outboard. I found a cheap temperature sensor and digital gauge on Amazon, for under 20 bucks. My only question would be where and how to mount the sensor. If these motors had a 1/8 NPT threaded port for a temp...
  2. 7

    Water pump fail - Did I kill the motor?

    Just a few pictures of the 44 year old boat ready for the water. Wish me luck. I will add my testimonial that Mercury sure made a tough / long lasting motor. No plastic junk parts that break at perfectly calculated intervals...like newer models...and cars.
  3. 7

    Water pump fail - Did I kill the motor?

    I meant where in the engine to look, but after thinking about this, it's more likely that the pieces disintegrated in place and into small enough bits to pass through the engine. The impeller was destroyed. The cup was vulcanized and severely scored. It stopped pumping pretty quickly. Remember...
  4. 7

    Water pump fail - Did I kill the motor?

    Just got back the lower unit foot of my 1974 Mercury 50hp from the shop. They replaced the drive and shift shaft seals and the water pump impeller. So I reattached the foot, no problems with shifting. Put cups the water intake and fired it up in the driveway. No problems, water was coming from...
  5. 7

    1974 Shifting Inop after Dealer Replaced Seals

    Long story: I sent my 1974 Mercury 50hp to the local dealer (same one the boat was purchased 44 years ago) to have them replace the leaky drive and shift shaft seals. Before sending it in , I had been running the boat weekly and the shifting worked fine, forward, neutral, and reverse. I get the...
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