The Tecumseh carburetor used in the Mastercraft model 314420515 snowblower is likely the Tecumseh 640084B carburetor. This carburetor is commonly found in Tecumseh snowblower engines and is used in various snowblower models.
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change blower belts
You can find a manual for the Mastercraft snowblower model 314-663G515, cross-referenced with MTD 60-3978-2, on the official Mastercraft website under their support or product manuals section. Additionally, websites like eBay or Amazon may offer downloadable PDFs or physical copies of the manual. You can also check forums or online communities dedicated to snowblower repairs for user-shared manuals.
Sounds like you have a broken shear pin. Check those first.
This manual is available at managemyhome.com http://www.managemyhome.com/mmh/products/ManualSearch.action?sid=MMHMxSearsx00019&product.modelNumber=31AS6HEG799&product.brandName=MTD
MasterCraft was created in 1968.
The population of MasterCraft is 2,006.
Cooper Tires owns Mastercraft.
Mastercraft tires are made in Findlay, Ohio.
Canadian Tire owns Mastercraft.
Goodyear is better than Mastercraft. It is a dedicated tire brand whereas Mastercraft has someone else manufacture them and stamp their name on it.