Toro 521 Snow Blower Category
Original Model: Tecumseh HS50-67259F
This engine has a 3/4" x 2-1/4" shaft. If you have electric start on your old engine, you can use your flywheel and starter of your old engine to make a recoil start engine electric start when replaceing the same series engine.
Parts List
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General Disclaimer
While we may have sold many engines listed above to be used for a Toro 521 Snow Blower Category, we are NOT claiming these are exact replacements unless the product notes explicitly say so. Many original equipment engines may no longer be in production because of obsolescence or EPA regulations, so in some cases there may not be an exact replacement available. Our intention here is to show that other customers have utilized these in the equipment shown, but may have had to make some modifications to do so. If we know of any required changes, we will list those, however, some adapting during installation should be expected.