MasterTech
Marine

Overton's
For everything else boating related.

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

Right Here!

 

A Fun Old Porcelain Sign and Ancient Tools

Sign Reads "Wanted: Good Woman Must Be Able To Clean, Cook, Sew,  Dig Worms, and Clean Fish.  Must Have Boat and Motor. Please Send Picture of Boat and Motor.

 

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!

 


,

 
  banner with sunset over water in ship yard
 
 


Click here to order by phone

Important!!! You must allow JavaScript to run to use the drop-down navigation menu.
Please allow a few moments for the menu to load.
INTERNET EXPLORER users must also " allow blocked content" if the pop-up appears.

 

MODEL YEAR CHART

50 to 85 HP

HP
YEAR
MODEL
50
1981
507H1A
50
1981
507B1A
50
1982
507H2B
50
1982
507B2B
50
1983
507H2C
50
1983
507B2C
50
1983
507H3D
50
1983
507B3D
50
1983
507R3E
50
1983
503H3A
50
1983
503B3A
50
1983
507H4B
50
1983
507H4E
50
1983
507C4E
50
1983
507S4A
50
1983
507S4B
50
1983
503C4B
50
1983
503H4B
50
1965
50521
50
1965
50522
50
1965
50531
50
1965
50532
50
1965
50561
50
1965
50562
50
1965
50571
50
1965
50572
50
1966
50621
50
1966
50622
50
1966
50631
50
1966
50632
50
1966
50661
50
1966
50662
50
1966
50671
50
1966
50672
55
1968
55418
55
1968
55428
55
1968
55518
55
1968
55528
55
1968
55618
55
1968
55628
55
1968
55718
55
1968
55728
55
1969
5545
55
1969
5546
55
1969
5555
55
1969
5556
55
1969
5565
55
1969
5566
55
1969
5575
55
1969
5576
55
1969
5581
55
1969
5582
55
1969
5591
55
1969
5592
55
1970
554HA
55
1970
554BA
55
1970
555HA
55
1970
555BA
55
1970
556HA
55
1970
556BA
55
1970
557HA
55
1970
557BA
55
1970
558HA
55
1970
558BA
55
1970
559HA
55
1970
559BA
55
1971
554HC
55
1971
554BC
55
1971
555HC
55
1971
555BC
55
1971
556HC
55
1971
556BC
55
1971
557HC
55
1971
557BC
55
1971
558HC
55
1971
558BC
55
1971
559HC
55
1971
559BC
55
1971
551HA
55
1972
551 HA
55
1972
554HD
55
1972
554BD
55
1972
555HD
55
1972
555BD
55
1972
556HD
55
1972
556BD
55
1972
557HD
55
1972
557BD
55
1972
558HD
55
1972
558BD
55
1972
559HD
55
1972
559BD
55
1972
554HE
55
1972
554BE
55
1972
555HE
55
1972
555BE
55
1972
556HE
55
1972
556BE
55
1972
557HE
55
1972
557BE
55
1972
558HE
55
1972
558BE
55
1972
559HE
55
1972
559BE
55
1973
554HF
55
1973
554BF
55
1973
555HF
55
1973
555BF
55
1973
556HF
55
1973
557HF
55
1973
558HF
55
1973
558BF
55
1973
559HF
55
1974
554HG
55
1974
554BG
55
1974
555HG
55
1974
555BG
55
1974
556HG
55
1974
556BG
HP
YEAR
MODEL
55
1974
557HG
55
1974
557BG
55
1974
558HG
55
1974
558BG
55
1974
559HG
55
1974
559BG
55
1975
554HG
55
1975
554BG
55
1975
555HG
55
1975
555BG
55
1975
556HG
55
1975
556BG
55
1975
557HG
55
1976
558HG
55
1976
558BG
55
1976
559HG
55
1976
559BG
55
1978
559HK
55
1978
559BK
55
1977
558HJ
55
1977
558BJ
55
1977
559HJ
55
1977
559BJ
55
1979
558H9L
55
1979
558B9L
55
1979
559H9L
55
1979
559B9L
55
1980
559H0M
55
1980
559B0M
55
1980
559H0N
55
1981
559H1N
55
1981
559B1N
55
1982
559H2P
55
1982
559B2P
55
1983
559H3R
55
1983
559B3R
55
1983
559V3S
55
1967
55721
55
1967
55722
55
1967
55731
55
1967
55732
55
1967
55761
55
1967
55762
55
1967
55771
55
1967
55772
60
1974
608HA
60
1974
608BA
60
1974
609HA
60
1974
609BA
60
1975
608HA
60
1975
608BA
60
1975
609HA
60
1975
609BA
60
1976
608HA
60
1976
608BA
60
1976
609HA
60
1976
609BA
60
1984
606H4A
60
1984
608H4C
60
1984
608V4A
65
1977
659HA
65
1977
659BA
65
1978
659HB
65
1978
659BB
70
1969
7061
70
1969
7062
70
1969
7071
70
1969
7072
70
1970
706HA
70
1970
706BA
70
1970
707HA
70
1970
707BA
70
1971
706HC
70
1971
706BC
70
1971
706HD
70
1971
706BD
70
1971
707HC
70
1971
707BC
70
1971
707HD
70
1971
707BD
70
1972
706HE
70
1972
706BE
70
1972
707HE
70
1972
707BE
70
1973
706HF
70
1973
706BF
70
1973
707HF
70
1973
707BF
70
1979
709H9A
70
1979
709B9A
70
1979
T700H9A
70
1979
T700B9A
70
1979
709H0AN
70
1979
709B0AN
75
1968
75618
75
1968
75638
75
1968
75648
75
1968
75718
75
1968
75738
75
1974
756HA
75
1974
756BA
75
1974
757HA
75
1974
757BA
75
1975
756BA
75
1975
756HB
75
1975
756BB
75
1975
757HA
75
1975
757BA
75
1975
757HB
75
1975
757BB
75
1976
756HB
75
1976
756BB
75
1976
757HB
75
1976
757BB
75
1976
756HC
75
1976
756BC
75
1976
757HC
75
1976
757BC
75
1977
756HC
HP
YEAR
MODEL
55
1977
558HH
55
1977
558BH
55
1977
559HH
55
1977
559BH
55
1978
558HK
55
1978
558BK
75
1977
756BC
75
1977
757BC
75
1978
757HD
75
1978
757BD
75
1979
757H9E
75
1979
757B9E
75
1979
S759H9A
75
1979
P759H9A
75
1979
T750H9A
75
1979
T750B9A
75
1980
756H0F
75
1980
756B0F
75
1980
758H0B
75
1980
758B0B
75
1980
754H0B
75
1980
754B0B
75
1981
756H1G
75
1981
756B1G
75
1981
758H1C
75
1981
758B1C
75
1982
756H2H
75
1982
756B2H
75
1982
758H2D
75
1982
758B2D
75
1982
756H2J
75
1982
756B2J
75
1982
758H2E
75
1982
758B2E
75
1983
756H3K
75
1983
756B3K
75
1983
756R3L
75
1983
758H3F
75
1983
758B3F
75
1984
756H4L
75
1984
756S4A
75
1984
756S4B
75
1984
756S4C
75
1984
758H4G
75
1984
758C4G
75
1966
75661
75
1966
75662
75
1966
75671
75
1966
75672
75
1967
75761
75
1967
75762
75
1967
75763
75
1967
75764
75
1967
75771
75
1967
75772
75
1967
75773
75
1967
75774
80
1965
80561
80
1965
80571
80
1965
80572
85
1969
8561
85
1969
8562
85
1969
8571
85
1969
8572
85
1970
856HA
85
1970
856BA
85
1970
857HA
85
1970
857BA
85
1971
856HC
85
1971
856BC
85
1971
857BB
85
1971
857HC
85
1971
857BC
85
1972
856HD
85
1972
856BD
85
1972
857HD
85
1972
857BD
85
1973
856HE
85
1973
856BE
85
1973
857HE
85
1973
857BE
85
1977
859HA
85
1977
859BA
85
1978
859H8A
85
1978
859B8A
85
1978
857H8F
85
1978
857B8F
85
1979
857H9G
85
1979
857B9G
85
1979
859H9B
85
1979
859B9B
85
1979
T850H9A
85
1979
T850B9A
85
1979
851H9A
85
1979
851B9A
85
1979
S855H9A
85
1979
P855H9A
85
1980
850H0A
85
1980
856H0H
85
1980
856B0H
85
1980
858H0C
85
1980
858B0C
85
1981
850H1C
85
1981
856H1J
85
1981
856B1J
85
1981
858H1D
85
1981
858B1D
85
1982
858H3G
85
1982
858H2F
85
1982
858H2E
85
1982
858B2E
85
1983
858B2F
85
1983
856H2K
85
1983
856B2K
85
1984
858H4H
85
1984
858C4H
 
 
 

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.