R263-000000 (水冷式二行程汽油引擎) 規格與性能 備註
Water-Cooling(marine) 2-Cycle Gas Engine SPECIFICATION & PROPERTIES Remarks
Displacement cm3 25.4
Bore mm 34
Stroke mm 28
Overall Size L mm 175 without muffler, air cleaner & clutch assy.
W mm 155
H mm 203
Weigth kg. 1.7 As above
Muffler Type Without STD. Type A Type B
消音器 方型block 管型tuning pipe 管型tuning pipe
Max. Power PS / rpm 4.0 / 13500 3.3 / 12000 4.3 / 12500 4.0 / 15500 without Air cleaner
(4.05HP/13500) (3.34HP/12000) (4.36HP/12500) (4.05HP/15500)
Max. Torque kg-m / rpm 0.191 / 10500 0.169 / 10000 0.208 / 11500 0.154 / 14500 without Air cleaner
Min. Fuel Consumption g/PS . H 500 470 550 550 without Air cleaner
Max. rpm at no load rpm 21000 20000 20000 22000 without Air cleaner
Compression Ratio 9.5
Fuel Recommend Over 92 Octane number
Oil Recommend FC grade for 2 cycle gasoline engine
Mixture Ratio 25 : 1
Ignition Type Ikeda TDI
Carburetor Type Walbro WT-771
Venturi mm 12.7
Spark Plug Standard NGK: CMR7H
Option NGK: CR8HVX (for racing)
Starter Recoil(Hand Pull)