1936 service twin questions

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Fergalb
Posts: 7
Joined: Thu Jun 14, 2018 2:01 pm

1936 service twin questions

Postby Fergalb » Thu Jun 14, 2018 2:38 pm

Thanks for adding me Travis :D God only knows why I took this on but I'm going to try and bring it back to life, the pistons were sized solid and when I got them out one was a bit broken at the bottom and two of the rings were broken so I'm looking for replacement parts or part numbers or maybe they are the same as a fisherman or Elto I believe mine is a 4.3 hp. Any help or info would be great as I cant find much on the internet. Thanks again.

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Fergalb
Posts: 7
Joined: Thu Jun 14, 2018 2:01 pm

Re: 1936 service twin questions

Postby Fergalb » Fri Jun 15, 2018 9:05 am

These are the sizes I'm getting, are they close to any other engine, Cheers


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Lyks2Tinkr
Posts: 151
Joined: Tue Mar 10, 2015 8:09 pm

Re: 1936 service twin questions

Postby Lyks2Tinkr » Fri Jun 15, 2018 10:08 am

2" x .125" x .085

Looks like pinless rings with the gap overlap.

I don't have my book in front of me but it looks like a long shafts in the picture.
Definitely a project motor.

You could put an ad on webvertize for the rings.
There is a member of the Yankee chapter that goes by the handle Gizmoh that has a large container of small rings.
Good luck.

Fergalb
Posts: 7
Joined: Thu Jun 14, 2018 2:01 pm

Re: 1936 service twin questions

Postby Fergalb » Fri Jun 15, 2018 10:43 am

Thanks for your reply, I do like a project engine the worse they are the more of a challenge :D

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Garry in Tampa
Posts: 2751
Joined: Mon Mar 09, 2015 2:32 pm
Location: Florida

Re: 1936 service twin questions

Postby Garry in Tampa » Sat Jun 16, 2018 12:08 am

The Lightwin, Fisherman, Lightwin Imperial, and Super Single shared that two inch bore piston ring in the thirties. Your model number indicates a 1936 long shaft with Battery ignition. Four point three horse power at 3,500 RPM. It sold for $100.00 FOB Milwaukee in 1936. Piston and rings are listed as part number 193390 and sold for four dollars . . . 8-)
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Living my dream because Reality is too expensive . . .

Fergalb
Posts: 7
Joined: Thu Jun 14, 2018 2:01 pm

Re: 1936 service twin questions

Postby Fergalb » Sat Jun 16, 2018 5:17 am

Thats a great help Garry thanks,II'd say $100 in 1936 was hard enough to come by :D I'll have a look around for the rings how hopefully inflation has not hit them too hard :)

XR55
Posts: 214
Joined: Mon Mar 09, 2015 3:44 pm

Re: 1936 service twin questions

Postby XR55 » Sun Jun 17, 2018 12:57 am

Otto Engine Works out of Maryland should have them by size.

Fergalb
Posts: 7
Joined: Thu Jun 14, 2018 2:01 pm

Re: 1936 service twin questions

Postby Fergalb » Sun Jun 17, 2018 7:16 am

I have been talking to this guy and he thinks he can help me out :) he has quite a collection of old outboard parts if anyone is interested. https://www.ebay.co.uk/str/tcsmarine/Vi ... 6502279018

I'm also looking at this to replace the coil https://www.ebay.co.uk/itm/2-spark-Repl ... 1438.l2649



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Bob D
Posts: 317
Joined: Sun Mar 15, 2015 4:52 pm
Location: Staten Island NY

Re: 1936 service twin questions

Postby Bob D » Sun Jun 17, 2018 10:08 am

Fergalb, beautiful work on your other motors. Im sure a lot of hours went into them.
Bob D

Fergalb
Posts: 7
Joined: Thu Jun 14, 2018 2:01 pm

Re: 1936 service twin questions

Postby Fergalb » Sun Jun 17, 2018 10:41 am

Thanks I have links on the restorations if anyone wants to take a look. https://www.boards.ie/vbulletin/showthr ... p=77361131

These are all seagulls https://www.boards.ie/vbulletin/showthr ... 2057219073


And a few of my other engines and projects.



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Cheating a bit I know.

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