Engine

X330

Make..............Briggs and Stratton

Model Number..............44J677

Power Rating Information..............http://www.briggsandstratton.com/

Bore..............79.25 mm (3.12 in)

Stroke..............73.4 mm (2.89 in)

Displacement..............724 cm³ (44.2 cu in.)

Cylinders..............2 (V-Twin)

Cycle..............Four

Ignition Coil Air Gap..............0.20—0.30 mm (0.008—0.012 in)

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

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

Spark Plug Torque..............20 N·m (15 lb·ft)

X350 X354, and X370

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

Model Number..............FS600V

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

Bore..............73 mm (2.87 in)

Stroke..............72 mm (2.83 in)

Displacement..............603 cm³ (36.8 cu in.)

Cylinders..............2 (V-Twin)

Cycle..............Four

Ignition Coil Air Gap..............0.25—0.40 mm (0.010—0.016 in)

Valve Clearance (Intake and Exhaust) (Cold)..............0.075—0.125 mm (0.003—0.005 in)

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

Spark Plug Torque..............20 N·m (15 lb·ft)

X380, X384, X390, and X394

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

Model Number..............FS651V

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

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

Stroke..............76 mm (2.99 in)

Displacement..............726 cm³ (44.3 cu in.)

Cylinders..............2 (V-Twin)

Cycle..............Four

Ignition Coil Air Gap..............0.25 - 0.40 mm (0.010—0.016 in)

Valve Clearance (Intake and Exhaust) (Cold)..............0.075—0.125 mm (0.003—0.005 in)

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

Spark Plug Torque..............20 N·m (15 lb·ft)