Mercury Marine 25 HP 2-stroke overheat

**sliderman** · 11-08-2019, 07:51 AM

If you can get a compression reading, I'd be interested in knowing what the numbers are with 5 aggressive pulls of the starter rope with each test.

**CrappieDreamer** · 11-08-2019, 03:09 PM

Originally Posted by sliderman

If you can get a compression reading, I'd be interested in knowing what the numbers are with 5 aggressive pulls of the starter rope with each test.

I tried compression test by cranking motor a few seconds. The upper cylinder was a little over 105psi and the lower was around 60.

Not good

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**sliderman** · 11-08-2019, 04:02 PM

Originally Posted by CrappieDreamer

I tried compression test by cranking motor a few seconds. The upper cylinder was a little over 105psi and the lower was around 60.

Not good

Sent from my iPhone using Crappie.com Fishing mobile app

Nope. It's shot.

Thread: Mercury Marine 25 HP 2-stroke overheat