VVRCRCGF 21cc Twin Gas Engine

VVRCRCGF 21cc T
Specifications:

Carburetor : Walbro
Ignition : DC-CDI (Computer Controlled auto advance, electronic ignition system)
Power supply: 6V-8.4V (6V Recommended) 
Maximum Output :2.8HP/2.1KW
Requires: Gasoline, 87 octane pump gas
speed rang : 2000-7500rpm
Lubrication Oil : 2 cycle air cooled engine oil

Propeller : 15x8, 16x8 7300rpm (Standard Two blade prop)
Suggested Propellers: 15x8, 16x8, 17x6

Sparking plug:   ME8  
Cooling System : Air Cooled
Engine package Includes: electronic CDI ignition, muffler, spark plugs, gaskets, bolts, throttle arm extension & manual.

Distance from Cap to Cap is 8 inches

Weight :
With Ignition and muffler 2.14 lb. (950 g)
Without ignition and muffler 1.65 (750g)
Technical Data:
Ignition Battery: 4.8-8.4 NiCd or NiMH, 6.6V LiFe or 2S LiPo pack
Gasoline/Oil Mix: 32:1
Replacement Spark Plug: NGK ME8 or Rcexl 1/4"-32