Vintage snapper push mowe

ssraisin

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Hi. I have what I believe to be a 1989 snapper 21” mower with a tecumseh engine. Model #21505pt. Great mower but can’t seem to get it running. I’m sure it’s carb troubles. Ran fine one week, and the next it was running really rough. My question is can I swap engines from my newer snapper, a Kawasaki 160cc? And does anyone know which carb I can put on the old mower? And does anyone know what year this is mower is? I love the mower and would like to get it running again. Thank you for your help.
 

ssraisin

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Correction on my snapper post, model number 21405pt. Thank you
 

Scrubcadet10

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which tecumseh engine do you have? parts list shows multiple tecumseh's used on that mower.. swapping engines is generally easier on pushmowers, as long as they have the same crankshaft length and diameter.
ENGINE, Tecumseh (Model TVS90-43179D) 3.5 HP

Part# --

Not available


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2

ENGINE, Tecumseh (Model TVS90-43180D) 3.5 HP Electric Start

Part# --

Not available


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2

ENGINE, Tecumseh (Model TVS90-43248D) 3.5 HP

Part# --

Not available


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2

ENGINE, Tecumseh (Model TVS90-43249D) 3.5 HP Electric Start

Part# --

Not available


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2

ENGINE, Tecumseh (Model TVS105-53069D) 4 HP

Part# --

Not available


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2

ENGINE, Tecumseh (Model TVS105-53072D) 4 HP

Part# --

Not available


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2

ENGINE, Tecumseh (Model TVS105-53072E) 4 HP

Part# --

Not available


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2

ENGINE, Tecumseh (Model TVS105-53073D) 4 HP Electric Start

Part# --

Not available


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2

ENGINE, Tecumseh (Model TVS105-53105F) 4 HP Electric Start

Part# --

Not available


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2

ENGINE, Tecumseh (Model TVS105XL-54018B) 4 HP Electric Start

Part# --

Not available


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2

ENGINE, Tecumseh (Model TVS105XL-54018C) 4 HP Electric Start

Part# --

Not available


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2

ENGINE, Tecumseh (Model TVXL105-54022B) 4 HP



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2

ENGINE, Tecumseh (Model TVS840-8011A) 4 HP 2 Cycle

Part# --

Not available


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2

ENGINE, Tecumseh (Model TVS840-8011B) 4 HP 2 Cycle
 

ssraisin

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Not sure which engine it is. I do know it’s 4hp. It’s at a shop right now so I couldn’t tell you what model
 
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