Engine

Model 636M

Make..............Kawasaki

Model..............FS600V-AS28-R

Power Rating Information..............http://www.kawasaki-criticalpower.com

Type..............Vertical - V TWIN - 4 cyc. - OHV

Displacement..............603 cm³ (36.8 in³)

PTO-Crank Shaft.............. 25.4 mm (1.0 in) x L88 mm

Cylinders..............Two-V Twin

Fast Idle..............3600 rpm

Oil Crankcase Capacity/Dry ..............2.1 L (2.2 qt) / Filter

Oil Filter..............Spin-on Full Flow - Cartridge Type

Lubrication..............Fully Pressurized

Cooling System..............Forced Air

Air Cleaner..............Dry Type, Dual Stage Element,

Bore..............73 mm (2.88 in)

Stroke..............72 mm (2.8 in)

Compression Ratio..............8.2:1

Valving..............OHV

Muffler..............Horizontal Discharge Below Frame

Spark Plug..............NGK BPR4ES

Spark Plug Gap..............0.75 mm (0.030 in)

Spark Plug Torque..............22 N·m (16 lb·ft)

Valve Clearance (Intake and Exhaust) (Cold)..............0.10—0.15 mm (0.004—0.006 in)

Model 648M and 652M

Make..............Kawasaki

Model..............FX691V

Power Rating Information..............http://www.kawasaki-criticalpower.com

Maximum Power..............22 hp (16.4 kW) @3600 rpm

Displacement..............726 cm3 (44.3 in³)

Cylinders..............Two

Fast Idle (No Load)..............3650 ± 100 rpm

Low Idle..............1800 ± 150 rpm

Operating Range..............1650-3750 rpm

Oil Filter..............Cartridge Type Full Flow

Cooling System..............Air

Air Cleaner (Canister)..............Dry Type with Unloader Valve

Bore..............78 mm (3.07 in)

Stroke..............76 mm (3.0 in)

Compression Ratio..............8.2:1

Valving..............OHV

Spark Plug Gap..............0.75 mm (0.030 in)

Spark Plug Torque..............22 N·m (16 lb·ft)

Valve Clearance (Intake and Exhaust).............. 0.05—0.10 mm (0.002—0.004 in)