Complete BRIGGS STRATTON VANGUARD engine 4-stroke twin-cylinder 627cc vertical shaft 25.4 x80 (1 inch x 80 mm) lawn mower mower heavy duty flywheel TECHNICAL DATA Engine fuel: Petrol Shaft: vertical Cylinders: Two Nominal power (hp): 23.00 Air filter: double Bearing: ALUMINIUM STEEL AIR CONVEYOR: UNCONTROLLED AIR FLOW BORE SIZE: 2,970 Stroke: 2,750 DEFLECTORS: LATERAL ALLOYS Oil Drain: DOUBLE Flywheel: HEAVY FOR ELECTRIC START Model Series: 3867 Displacement: 627 cc Oil Capacity: 48 oz (1. 4 l) Valve configuration: OHV Flywheel torque: 125 lb/ft (169.5 Nm) Regulator arm torque: 115 lb/in (13.0 Nm) Carburettor bracket: 65 lb/in (7.5 Nm) Spark plug gap: 0.03 in (0.75 mm) Intake valve: . .004-.006 in (.10-.15 mm) Exhaust valve: .004-.006 in (.10-.15 mm) Idle speed: 1750 Spacing: .008-.012 in (.20-.30 mm) Connecting rod torque: 115 lb/in (13.0 Nm) Oil pan torque: 150 lb/in (17. 0 Nm) Cylinder head torque: 165 lb/in (18.5 Nm) CODE: 888065 ORIGINAL CODE: 385777 - 386777 385877 The warranty is valid ONLY when using SAE 30 lubricating oil, preferably BRIGGS STRATTON, which you can find in our CZ store