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  1. M

    25 HP 4 Stroke Overheating Solved!

    I see a lot of posts on engines overheating under various conditions. Mine overheated after 3-5 minutes at full throttle. After reading lots and lots of posts, I decided to tear the damn thing down and do some looking. Look what I found! Seal was smashed on feed tube coming up from the water...
  2. M

    25 HP 4 stroke Bigfoot Overheats at Full Throttle

    Troubleshot all the usual suspects. Replaced impeller, (old one looked fine) bottom pump wear plate. It's peeing fine. Replaced t-stat. Did a reverse flush through thermostat hole and did get some black oily carbon deposits in the bucket, with lower unit pulled. This makes me think exhaust is...
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