Rebuild a Vintage Johnson Evinrude OMC Lower Unit Gearcase Installing a Seal Kit
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- Опубліковано 4 лис 2016
- This video details the COMPLETE disassembly, installation of a new gearcase seal kit, and reassembly of a 1959 Johnson QD-20 10 horsepower lower unit. Also detailed, is the removal and replacement of the brass shift shaft / rod bushing and o-ring. If you have water in your Lower Unit oil then this video will show you how to repair the gear case. This video will also show you help you with a johnson evinrude water pump replacement.
The process shown in this video is VERY similar to the disassembly and reassembly of all Johnson Evinrude OMC lower units pre-1982 under 25 hp.
IMPORTANT UPDATE - Dont use the tap method shown in this video, rather use this method in the video below to extract the brass bushing
• Quick and Easy Removal...
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*** SEAL KITS on AMAZON ****
HP YEAR PART NUMBERS
5.5 (1*) 1955-1967 amzn.to/2vkdfRB 18-2679
6 (1*) 1955-1967 amzn.to/2wrMACh 18-2679
6 (2*) 1967-1968 amzn.to/2vkAD0Y 18-2680
6 (3*) 1968-1979 amzn.to/2vhLkmH 18-2681
7.5 (1*) 1955-1967 amzn.to/2wrMKtn 18-2679
9.5 (M Suffix) 1958-1967 amzn.to/2vMWT77 18-2682
9.5 (B Suffix) 1967-1973 amzn.to/2vk2FtG 18-2683
9.9 1974-Up amzn.to/2l9sMPK 18-2656
15 1974-Up amzn.to/2l9sMPK 18-2656
9.9 (2 Stroke)1974-Up amzn.to/2l9sMPK 18-2656
15 (2 Stroke) 1974-Up amzn.to/2l9sMPK 18-2656
10 1958-1967 amzn.to/2vCF8XB 18-2682
18 1958-1973 amzn.to/2frfJJH 18-2684
20 1966-1973 amzn.to/2frfJJH 18-2684
20 1979-1982 amzn.to/2frfJJH 18-2684
20 1985-Up amzn.to/2sX16C0 18-2658
25 1955-1959 amzn.to/2vklNI9 18-2686
25 1968-1978 amzn.to/2frfJJH 18-2684
25 1979-1982 amzn.to/2vhKGpx 18-2685
25 1984 amzn.to/2JEEEIf 18-2657
25 1985 - up amzn.to/2sX16C0 18-2658
25 (4*) 1990-1995 amzn.to/2JFdAIG 18-2694
25 (Comm) 1985-Up amzn.to/2JQiUF9 18-2657
28 1962-1970 amzn.to/2sWUjrW 18-2686
28 1985-1998 amzn.to/2JQiUF9 18-2657
30 1955-1959 amzn.to/2sWUjrW 18-2686
30 1976-1995 amzn.to/2sX16C0 18-2658
33 1962-1970 amzn.to/2sWUjrW 18-2686
35 1955-1959 amzn.to/2sWUjrW 18-2686
35 1977-1992 amzn.to/2sX16C0 18-2658
*** SEAL KITS on EBAY ****
thisoldoutboard.com/johnson-e...
NOTES
(1*) : 1967 D Suffix Only
(2*) : 1967 S Suffix Only, 1968 C Suffix Only
(3*) : 1968 A & R Suffixes Only
***** IMPELLER / WATER PUMP PART NUMBERS ***
3 Hp -- 1957 - 1961 -- amzn.to/2xWqLiT
4 Hp -- 1981 - 1982 -- amzn.to/2xWqLiT
4 Hp -- 1983 - 1988 -- amzn.to/2gWpA8w
5 Hp -- 1965 - 1968 -- amzn.to/2xWqLiT
5.5 Hp -- 1958 - 1964 -- amzn.to/2xWqLiT
6 Hp -- 1965 - 1978 -- amzn.to/2xWqLiT
6 Hp -- 1979 -- amzn.to/2xVzpxS
6 Hp - 1984 2004 -- amzn.to/2gWpA8w
7.5 Hp -- 1957 -- 1amzn.to/2xWqLiT
7.5 Hp -- 1980 - 1984 -- amzn.to/2gWpA8w
8 Hp -- 1985 - 2004 -- amzn.to/2gWpA8w
9.5 Hp -- 1964 - 1973 -- amzn.to/2gWwLO3
9.9 Hp -- 1974 - 1999 -- amzn.to/2yEMPwV
10 Hp -- 1959 - 1963 -- amzn.to/2gWwLO3
15 Hp -- 1974 - 2007 -- amzn.to/2yEMPwV
18 Hp -- 1960 - 1973 -- amzn.to/2gxPGBF
20 Hp -- 1966 - 1973 -- amzn.to/2gxPGBF
25 Hp -- 1969 - 1978 -- amzn.to/2gxPGBF
25 Hp -- 1979 - 1984 -- amzn.to/2yGxpc8
25 Hp -- 1985 - 2004 -- amzn.to/2xVjHxU
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***MANUALS and SERVICE TOOLS***************
Evinrude Johnson Outboard Shop Manual 1.5 to 125 Hp 1956-1972: amzn.to/2vhwb51
OEM Bushing Removal Service Tool - ebay.to/2PgeDPE
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**************** NEEDED TOOLS *******************
3M Gasket Adhesive - amzn.to/2vkl5ug
Thicker / Better Spaghetti Seal - amzn.to/2vhDTfw
Hand Impact Driver - amzn.to/2vhPGKK
Pick Set - amzn.to/2wrYCLZ
10 Hp Shift Rod Brass Bushing - ebay.to/2vVGIFf
***********RELATED VIDEOS*****************
Video on disassembling the gears and prop shaft components:
• Disassemble Johnson Ev...
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*Above are Amazon Associate Links
This is hands down, the best video for doing a gearcase reseal on a 1950s--60s OMC. Ordered my parts, and look forward to working on my '58 QD-19 in a couple weeks. Thanks!
Just got me a 1955 JOHNSON CD-12 5.5hp from the great lakes area. No nothing about boat motors. Just got the bottom end for a Nordica sail boat. Really nice shape. Wasn't even thinking of rebuilding till I saw this.. going to top it off with a lawn mower engine.
This video helped alot, just got done putting new seals, gears, water pump and ignition in the 70 6hp johnson my uncle bought new in 72ish. Surprisingly simple engine.
Man I can't thank you enough for this. Great video and explanation. I'm rebuilding a 1959 cd-16 5.5hp. Nice work!!!
Best video of this on UA-cam. Very professional and to the point.
Great video. Just purchased a 1960 10hp Sportwin that has only been used for about 10 hours. Needs a good clean up but this video has sorted my lower end out. Thanks.
Extremely well done , very thorough !
best info on old omc lower units !!
Finally, Finally someone takes their time AND gets the camera right in there up close and shows all the parts, plus does it on a clean uncluttered workbench without all sorts of other shit scattered around so you can't tell what came outta the unit and what's left over from some dude's lawn mower rebuild. Well done! (Sure, some of your seal and bushing removal might be done other ways but you got the big idea that we need to see what you're doing and how....) Thumbs up and subbed!!
To get the brass bushing out with minimal damage, get a bolt that easily fit's thru the bushing and grind the bolt head so it's just slightly larger than the hole. Insert the bolt from behind thru the bushing, thru a metal bar and screw a nut on it. Now keep tightening the nut until the bushing is out. This way there's no need for tapping.
Never mind my question a moment ago, I found you had answered it in an earlier post. Thanks for the great vid, first time I'm trying this, I will watch it as I work --
i have to agree with obc it is the best vid for resealing gearcase hands down thanks for the vid
Been looking for a video and kit thatd work for my sea king and you did it, thank you!
Awsome job thanks
Thanks for the video, I'm working on two Evinrude 9.5 motors and this is exactly what I needed.
great video!
Damn good video thumbs up for you
This old Outbord sells shift shaft rod removal installation tool for 20 bucks before the pandemic works great easy Peezy I used it 5 times so far best 20 bucks I ever spent last used on 59 35hp Johnson
I removed the brass bushing from my rd-19 by using a length of 1/4 inch threaded rod. I mushroomed one end so it would just barely pass through the lower unit housing, but not the brass bushing. I laid a piece of scrap 1/2 inch thick steel (with a 1/4 inch hole drilled in it to receive the threaded rod) on top of the housing, put on a washer and nut and it popped out easily with just a few turns of a wrench.
sper job and video