engine swap

tonymsanchez

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Jun 23, 2019
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I own a 638 RL yard machine ,with a formula 13.5 hp, tecumseh motor. what kind of motor can i swap out with. I heard watch out cause of need to make sure of same kind of mounting bolt pattern
 

Scrubcadet10

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Sep 24, 2017
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The main thing is mounting pattern, and crank shaft diameter and length.
There is a website (smallenginewharehouse.com) and you can select your specifications to find a replacement engine.
 
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