Mercury racing motor identification help

This topic has 4 replies, 4 voices, and was last updated 7 years, 9 months ago by DAVID.

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June 18, 2018 at 11:03 pm #10292
cheetahgod
Participant
Need help identifying this mercury racing motor for a friend. Thanks.

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June 18, 2018 at 11:04 pm #78144
cheetahgod
Participant
more pics

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June 18, 2018 at 11:55 pm #78149
chinewalker
Participant
US Member
It’s a 40 or 44 cuber. What block name is on it? Starboard side, near the port covers.
June 19, 2018 at 12:58 am #78155
outboard315
Participant
1955 Mark 55 serial number in the one end of the powerhead, mercury 500 carbs. Home made pipes, although they may still be made by a known maker.
June 19, 2018 at 3:53 am #78158
DAVID
Participant
US Member
outboard315 is correct.
40 cubes.
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