5
General Information
Specifications - General
Items
ECX70
Dimensions
Wheelbase
42” (1067mm)
Width Front / Rear
43” / 46” (1092mm / 1168mm)
Weight
210 lb
Engine
Type
2-stroke, single cylinder, reed valve
Cooling system
Liquid-cooled
Displacement
64.8 cc (3.95 Cubic inches)
Bore and stroke
43 mm x 44.6 mm
Ignition system
Electronic
Spark plug
Champion 8339
Gap
0.023” – 0.025” (0.58 – 0.64 mm)
Fuel type
93 octane pump gasoline
OTHER RACE FUELS ARE NOT RECOMMENDED
Oil type
Cobra Venom
2-cycle Race Oil
Fuel / oil mix ratios
32:1
Ignition timing
.050” (1.3mm) BTDC
Carburetion
26mm Mikuni VM
Main jet 190
Slow (Pilot) jet 50
Jet needle 5F21, 4th position from the top
Float height
Transmission
Speed
Six speed
Clutch
Manual hydraulic
Final drive ratio
13/48 T
Transmission / clutch oil type
85W 90 Gear Lubricant
Quantity 530 ml (18 oz)
