Engine Specs. for FH721D    
90°V,
twin overhead V-Valve, 
Pressurised Lubrication,
Oil Filter, Electronic ignition, A
A uto Decompression,
Dual Element Air Filter,
Cast Iron Cylinder Liners, 
Muffler,
No fuel tank.
Twin barrel internally,
Vented Carb with fuel shutoff solenoid.
Electric starter,
18.6kW, 
1 1/8" Shaft.