Service Manual
1-4
Table of Contents
Twin Cylinder Engine Service Manual
February 2017 - Digital Edition
GENERAL SERVICE INFORMATION
Specications
Engine General Specications
Engine Name 2P77F
Type V-Twin Cylinder, 4-Stroke, Forced Air Cooling, OHV
Bore X Stroke 77 x 76 mm
Displacement 708 cc
Compression Ratio 8.7:1
Lubrication Oil Pump with Oil Filter
Starting Electric
Rotation Counter Clockwise (from P.T.O. side)
Ignition System Transistorized Magneto Ignition
Air Cleaner Paper with Foam Wrap
Fuel Type Unleaded Gasoline, 87 Octane
Oil Capacity 80 oz. (2.4 L) with Filter Change
Dimension (L x W x H) 468.4 x 472.7 x 382.7 mm
Weight 90 lbs. (40.8 kg)
Engine Fastener Torque Specications (Engine 2P77F)
Bafe, Cylinder Shoulder Bolts 89 in - lbs. (10 Nm)
Blower Shroud Shoulder Bolts 89 in - lbs. (10 Nm)
Breather Plate Bolts 89 in - lbs. (10 Nm)
Carburetor Mounting Nuts 71 in - lbs. (8 Nm)
Carburetor Mounting Studs 62 in - lbs. (7 Nm)
Carburetor Solenoid 89 in - lbs. (10 Nm)
Connecting Rod Bolts 106 in - lbs. (12 Nm)
Connector Pipe, Oil Drain Tube 19 ft - lbs. (26 Nm)
Connector Pipe, Oil Filter 31 ft - lbs. (42.5 Nm)
Crankcase Cover Bolts 20 ft - lbs. (28 Nm)
Cylinder Head Bolts (50 & 70 mm) 39 ft - lbs. (52.2 Nm)
Cylinder Head Exhaust Studs 124 in - lbs. (14 Nm)
Blower Shroud Cover Screws 11 in - lbs. (1.3 Nm)
Flywheel Cooling Fan Bolts 16 ft - lbs. (22.5 Nm)
Flywheel Nut 61 ft - lbs. (82.5 Nm)
Flywheel Rotating Screen Bolts 35 in - lbs. (4 Nm)
Fuel Pump Mounting Bolts 62 in - lbs. (7 Nm)
Governor Arm Clamp 89 in - lbs. (10 Nm)
Ignition Coil Bolts 89 in - lbs. (10 Nm)