Solenoid Carburetor Shutdown, Chrome Exhaust Valves, Cast Iron Sleeve, 12 Volt Electric Start, 9 Amp Alternator, 1 Dia. X 3.16 Dynamically Balanced Keyed Crankshaft. The item “BRIGGS & STRATTON ENGINE 44S977-0004 25HP RIDING LAWN MOWER MOTOR 1X 3.16 SHAFT” is in sale since Thursday, March 30, 2017. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawnmowers\Parts & Accessories”. The seller is “lawnenginesurplus” and is located in Kansas City, Missouri. This item can be shipped to United States, to Canada, to Australia, to Japan, KR, ID, to Taiwan, ZA, TH, to Hong Kong, to Mexico, SG, MY, BR, CL, CO, CR, PA, TT, GT, HN, JM, BB, BD, BM, BN, BO, EC, EG, GF, GG, GI, GP, IS, JE, JO, KH, KY, LI, LK, LU, MC, MO, MQ, MV, NI, OM, PE, PK, PY, RE.