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Abby’s Guide > Outdoor Power Equipment (Lawn Mowers, Snow Blowers, Chain Saws and more) > Discussions > Replacing carburetor on Toro Lawn Mower Model #20439

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NewbieOnceAgain


Joined: May 17, 2016
Points: 3

Replacing carburetor on Toro Lawn Mower Model #20439
Original Message   May 17, 2016 2:11 pm
I purchased a mid 1990s Toro self propel mower from a garage sale. My son and I really prefer these mowers over newer styles. I took it in to get "fixed" and the carburetor was unsalvageable. We dug around on the internet to try to find a replacement carburetor and couldn't find an exact match. Not being a mechanic, I'm not sure how precise we need to be in replacing the carburetor? It is a Toro model 20439 and serial id of 4903128. The part number we need to replace is 77-8050.
Replies: 1 - 5 of 5View as Outline
ajallen


Location: Colorado
Joined: Nov 28, 2007
Points: 78

Re: Replacing carburetor on Toro Lawn Mower Model #20439
Reply #1   May 17, 2016 3:08 pm
Stamped in to the valve cover will be some engine numbers post those.
NewbieOnceAgain


Joined: May 17, 2016
Points: 3

Re: Replacing carburetor on Toro Lawn Mower Model #20439
Reply #2   May 17, 2016 5:52 pm
Yep, just found those. The first is LMS23 and the second is 3143. These are stamped on the carburetor. Also, if it matters, WALBRO, was stamped in yet a different area. One more area that was a box on the front of the engine had these numbers stamped 97777, 0111 01, and 93120604
This message was modified May 17, 2016 by NewbieOnceAgain
ajallen


Location: Colorado
Joined: Nov 28, 2007
Points: 78

Re: Replacing carburetor on Toro Lawn Mower Model #20439
Reply #3   May 17, 2016 6:50 pm
the engine was made for toro by briggs & stratton Briggs part number 497721 carburetor NLA but will give you more to google for
NewbieOnceAgain


Joined: May 17, 2016
Points: 3

Re: Replacing carburetor on Toro Lawn Mower Model #20439
Reply #4   May 17, 2016 10:11 pm
Thanks ajallen.
trouts2




Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328

Re: Replacing carburetor on Toro Lawn Mower Model #20439
Reply #5   May 22, 2016 10:09 pm
   The carb is a basic carb.  Why does it need to be replace versus cleaned or some
simple parts like float, needle valve & etc.?
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