Moderated Discussion Areas
ContinuousWave: Whaler Performance
Montauk 90hp Merc prop size
|Author||Topic: Montauk 90hp Merc prop size|
posted 09-02-2003 01:42 PM ET (US)
Can some of you Montauk owners with 90 hp merc tell me what prop size your running. Year of boat and motor.
posted 09-02-2003 03:28 PM ET (US)
91 montauk, 92 Mercury 90HP, 13.25 X 19P s/s Michigan prop. 43MPH @ 5600 RPM
posted 09-02-2003 05:01 PM ET (US)
'03 Mercury 90 classic, 1984 Montauk. I run a 12-3/4 x 21 pitch Mercury aluminum prop.
posted 09-02-2003 11:39 PM ET (US)
81 Newport w/ 81 Merc 90. 17 pitch Mich wheel. I can reach motors max RPM 5K. Tried 19 OEM Merc prop and could only hit around 4600. I think the 19 was 1 MPH or 2 faster. Current speed w/ light load 38/39 MPH.
posted 09-03-2003 04:39 PM ET (US)
For a Classic Montauk with late model Merc 90 2-stroke, use a 20" Merc Laser II or High Five prop. She'll really run, probably close to 47 with engine in third holes.
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