Description
- Engine Type: One-Cylinder
 - Displacement: 139cc/8.5ci
 - Bore x Stroke: 62 x 46mm/2.44 x 1.81in
 - Full Throttle RPM Range: 4000-5000
 - Horsepower Rating at Propshaft: 4hp at 4500rpm
 - Compression Ratio: 8.9:1
 - Fuel Induction: OHV(Overhead Valve)
 - Starting Method: Manual
 - Ignition: CDI
 - Lubrication: Wet Sump
 - Degree of Trim: 5 positions
 - Degree of Tilt: 69°
 - Exhaust: Above propeller
 - Cooling: Water/Thermostatic Control
 - Drive: Foward, Neutral, Reverse
 - Gear Ratio: 27:13/2.08:1
 - Shaft Length:Short=15″, Long=20″
 - Recommended Fuel: Regular Unleaded/Minimum Pump Octane 87
 - Recommended Oil: Yamalube® 4M
 - Engine Oil Capacity: .6L/.63qts
 - Spark Plug: CR6HSB
 - Prop Nut: 17mm
 - Fuel Hose Diameter: 8mm
 - Weight: 28kg/61lbs
 





