2010 Yamaha SuperJet jet ski

Engine Type    2-Cylinder, 2-Stroke
Bore/Stroke    81mm x 68mm
Displacement    701cc
Fuel    Regular Unleaded
Type of Intake    Reed Valve
Type of Scavenging    Loop-Charged
Type of Exhaust    Wet
Type of Lubrication    Pre-Mixed Oil and Gas
Mixing Ratio    50:1
Cooling    Water
Starting    Electric
Ignition    Analog
Compression Ratio    7.2:1
Carburetor/Injection    (2) Mikuni? Super BN 38
Spark Advance    6