11
MAINTENANCE
2) SPECIFICATIONS AND TECHNICAL DATA
Items Unit G240RC G270RC G290RC Remarks
Bore x Stroke mm 32 x 28 34 x 28 36 x 28
Displacement cm
3
22.5 25.4 28.5
Effective Compression Ratio
8.9 8.9 9.9
Type Walbro WT ←←
Carburetor
Venture(mm) ø12.7 ←←
Starting Recoil Starter ←←
Type TCI ←←
Ignition
Timing BTC 30°/8000rpm ←←
Standard CMR7H ←←NGK
CR8HIX
with Terminal Nut
Option(Hot Type)
CMR6H ←←↑
Clutch Engagement Speed
rpm 6000 ←←STD Spring
No load max Speed rpm 19500 ←←
Idling Speed rpm 4000 ←←
Max. Net Power kW/rpm 1.81/12000 1.86/12000 2.0/13000
Max. Net Torque N.m/rpm 1.58/9000 1.63/9000 1.69/9000
Fuel Consumption g/kW·h 616 653 600
Carburetor H 1 1/8 ± 1/4 ←←
Standard setting L 1 1/4 ± 1/4 ←←
↑
Option(For Race)
Spark Plug
←←
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