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.
yes
change blower belts
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
The population of MasterCraft is 2,006.
MasterCraft was created in 1968.
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.
As a snowblower is used in the winter use 10w30 weight synthetic oil and change the oil once each year.