MasterTech
Marine

Overton's
For everything else boating related.

Wondering
"Where-'n-'Ell"
to get great parts for your outboard?

Right Here!

 

4 Blade Propeller

4 Blade Propeller

 

Meet the MasterTech!

Bill the Master Tech

 

If your Mfgr. says:

That motor's 7 years old.
Part is no longer available.
We lose $$ on service!
EPA made me do it!
Parts at central warehouse, you'll get them next month.
We don't make parts for those.
We only do warranty work.
Our techs only fix late models.
No clue what's wrong! So we'll work time & material.

Baloney!!

Contact
the Mastertech!

 


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OLD MERC PROPELLER SELECTION
(Most Info In These Links Will Also Apply To Choosing Props For Other Brands)

Confused about what prop to choose? Try our helpful prop page.

Propeller Selection Depends On  Boat Weight, Length, Desired Speed, & HP

Pre-1965 to 1974 Engines.

Part 1 -Original Kiekhaefer Booklet Front. (SIMPLIFIED)-"What You should know about PROPELLERS" -1965
Part 2
Part 3
Part 4
Part 5
Boat Performance & Propellar Selecton.......(Simplified)Pre-1965 Manual
Engine Weather Effects & Theory of Propeller Propulsion........(Simplified)Pre-1965 Manual
High Performance Prop Selection & Cupping Propellers........(Simplified)Pre-1965 Manual
Part 1 -Propeller Chart. By Engine, Boat weight, Length, & Speed........Mark 15-20-25-30-35A-50-55
Part 2.........Mark 55A-58-58A
Part 3.........Merc 39-40-60(1968)-75-100-110(early)-110-200 FGS
Part 4.........Merc 350 (2Cyl.)-400 (2Cyl.)-300 (4Cyl.)-350 (4Cyl.)
Part 5.........Merc 400 (4Cyl)-500-500 (1970-71)
Part 6.........Merc 450-500-500SS, (600-700 Dir. Rev.), (650SS-650-700 Gear shift)
Part 7.........Merc 650(1970-71)-800(DR)-800(1970)
Part 8.........Continuation of Merc 800(1970)-800(1971)-850 & 800
Part 9.........Continuation of Merc 850 & 800-850-900-950-950SS-1000SS
Part 10........Continuaton of Merc 1000SS-1100SS-1000-1150(1970)
Part 11........Continuation Merc 1150(1970)-1250SS
Part 12........Merc 1350(1970-71)
Part 13 (LEFT HAND ROTATION)........Mark 6-6A-15A-28-28A-(75-75A-78-78A Direct Rev.)
Part 14 (LEFT HAND ROTATION)........Merc 150-(200-250 Auto)-(600-700-800 Direct Rev.)
Part 15 (TOP) Quicksilver Racing oldmercs/Propellers/Props.........Mark 20H-30H-40H-55H
Part 15 (BOTTOM) Speedmaster Propellers........Super LHR., LHR., Sportsman LHR
Part 16........(1972-73) Merc 40-75-110-200-402-500-650
Part 17........(1972-73) Merc 650 Continued, 800-850-1150
Part 18........(1972-73) Merc 1400-1500
Part 19........(1974) Merc 40-75-110-200-402
Part 20........(1974) Merc 402 Continued, 500
Part 21........(1974) Merc 650-850
Part 22........(1974) Merc 850 Continued, 1150-1500
Part 23........(1974) Merc 1500 Continued
 
 

Please review our Warranty, Returns & Refunds policies before you place an order.

DISCLAIMER

The information provided on these pages is correct to the best of my knowledge, however the MasterTech makes no warranty, express or implied, regarding the use of, results of, or liability created from, application of this data. This information is disseminated in good faith, however MasterTech assumes NO LIABILITY whatsoever in regard to this service. The information, software, products, and services published on this web site may include inaccuracies or typographical errors. Changes are periodically added to the information herein. Mastertech may make improvements to this site at any time. Parts ordered from this website may or may not be in dealer stock at the time of order. Thank you for reading.