a - Serial number
b - Model year
c - Model designation
d - Year manufactured
e - Certified Europe Insignia (as applicable)
15 4-Stroke Specifications - International
Models 15
Horsepower 15
Kilowatts 11.2
Engine Type 4-Stroke
Number of Cylinders 2
Full Throttle RPM Range 4500-5500 RPM
Idle Speed in Forward Gear 800-900 RPM
Piston Displacement 323cc (19.7 cu. in.)
Cylinder Bore 59 mm (2.32 in.)
Piston Stroke 59 mm (2.32 in.)
Valve Clearance (Cold)
Intake Valve 0.15-0.25 mm (0.006-0.010 in.)
Exhaust Valve 0.20-0.30 mm (0.008-0.012 in.)
Recommended Spark Plug NGK DPR6EA-9
Spark Plug Gap 0.9 mm (0.035 in.)
Gear Ratio
Standard Models 2.0:1
Bigfoot Models 2.42:1
Recommended Gasoline Refer to Fuel & Oil
Recommended Oil Refer to Fuel & Oil
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