Honda BF20 BF2A Outboard Motors Manual, Page 56Get this manual
HONDA BFA
IISERVICE INFORMATION
ITEM STANDARD SERVICE LIMIT
1MAINTENANCE STANDARDS
PART Engine Carburetor Idle speed Cylinder compression Main jet Pilot screw opening Float height Spark plug Transistor unit Gap Primary side Secondary side Air gap Valve clearance
1,300 100 min" (rpm) 6.5 kgcm2 (92.4 at 800 rpm psi) #65 1-114 turns out 10.5-13.5mm (0.413-0.531in) 0.6-0.7mm (0.024-0.028 in) 0.7-0.9S2 6.3-7.7102 0.2-0.6mm (0.008-0.024in)