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Re-Powering

Predicted performance data for Montauk with various engine combinations as computed by Kelly Ewing following the formula suggested by Clark Roberts and explained in the Reference article on propellers:

Fuel=168#
Boat=950#
Gear and Passengers=400#

MAKE/HP/CYCLE   MOTOR WT    TOTAL WT     MPH
---------------------------------------------
Honda 50 4      212         1730        34    
Honda 90 4      373         1891        44    
Yamaha 50 4     233         1751        34    
Yamaha 60 4     244         1762        37    
Yamaha 100 4    356         1874        46    
Yamaha 50 2     194         1712        34    
Yamaha 60 2     228         1746        37    
Yamaha 70 2     228         1746        40    
Yamaha 90 2     261         1779        45    
Merc 50 4       236         1754        34    
Merc 60 4       236         1754        37   
Merc 90 4       386         1904        43   
Merc 50 2       199         1717        34    
Merc 60 2       219         1737        37    
Merc 75 2       303         1821        41    
Merc 90 2       303         1821        44   
Suzuki 50 4     243         1761        34    
Suzuki 70 4     359         1877        39    

For more information on mid-range engines available and their pricing, see a separate article in the Reference section.

The topic of repowering a Montauk (or other 16-17-foot hull) is a common one in the FORUM. Here are some hyperlinks to those discussions:


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Copyright © 2002 by James W. Hebert. All rights reserved. Unauthorized reproduction prohibited.

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Author: James W. Hebert
This article first published March 30, 2002.