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Author Topic:   Montauk Performance
tlb posted 04-12-2004 10:12 PM ET (US)   Profile for tlb   Send Email to tlb  
I have a 2002 Montauk which came standard with a Mercury 90hp Saltwater Series engine. I have a 13x17 inch SS prop by Power-Tech. No matter what I have done, I have been unable to get my boat past a top end speed of 36.4 mph (wot)as measured by a GPS. I know the boat is heavier than the previous model Montauk, however, my old Montauk (2000yr.) with the same engine and prop went 45.7 mph (wot)as measured by a GPS. Does anybody have any ideas on how I can at least hit 40 mph with my new boat? Thanks.
Moe posted 04-12-2004 10:55 PM ET (US)     Profile for Moe  Send Email to Moe     
What is the motor rpm at 36.4 mph?

Is this a one-way run, or the average of two runs in opposite directions to cancel the effect of wind and current?


newt posted 04-13-2004 01:21 PM ET (US)     Profile for newt  Send Email to newt     
Put a Mercury 12.75 x 21 pitch aluminum prop on and you will get 41-42+ mph. I'm not sure about the new M170's but 17 pitch is too low for that motor on the Classic Montauk.

I have RPM's to spare at 41 mph with the same motor on an '84 Montauk.

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