It should be some were between 120 to 125 on all 6. That would be on a motor in good condition. 115 to 120 is not bad. Just make sure they are witnin 20percent of one another.
You have to take out the cylinder, how low is it, what is the difference
125 is the least
The compression on a 1995 Mercury 60hp outboard motor typically ranges from 90 to 120 psi across all cylinders. It's essential for each cylinder to have similar readings for optimal performance. If compression is significantly lower in one cylinder, it may indicate issues such as worn rings, a blown head gasket, or valve problems. Regular compression checks can help maintain engine health.
I should be equal on all cylenders and about 110 to 120
anything over 100 on all cyl is fine and a good motor
125 HP. 130 HP and above are V6s.
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The 15 horsepower Mercury outboard motor does not have a water pump. The outboard motor is air cooled and does not have a need for circulating water.