35
ob
GENERAL INFORMATION
obm13
Specifications
Models 20
Jet Power 20
Engine Horsepower 25
Full Throttle RPM Range 5000-6000 RPM
Idle Speed in Forward Gear 750 ± 50 RPM
Number of Cylinders 2
Piston Displacement 24.4 cu. in. (400cc)
Cylinder Bore 2.560 in. (65mm)
Piston Stroke 2.360 in. (60mm)
Recommended Spark Plug NGK BP8H-N-10*
Spark Plug Gap .040 in. (1.0mm)
Recommended Gasoline Refer to Fuel Section
Recommended Oil Refer to Fuel Section
Battery Rating 465 Marine Cranking Amps (MCA)
or 350 Cold Cranking Amps (CCA)
*Use NGK BPZ8H-N-10 spark plug where radio frequency interference (RFI)
suppression is required.