NEW ENGINE,NEW DESIGN ,MORE POWER！
Angled plug with CM6 SPARK PLUG.
the gasoline engine is designed for large scale aircraft.
It combines with excellent quality and reasonable price.
Carburetor : Walbro
Ignition : Stinger DC-CDI (Computer Controlled auto advance, electronic ignition system)
SPARK PLUG: NGK CM6 Type
Requires: Gasoline, 2-cycle oil, ignition battery & propeller
speed rang : 1500-8600rpm
Gasoline-Version : Pre-mixed Fuel, 25-40 (Gasoline):1 (recommended : 32:1 for real oil, or 40:1 for synthetic oil) 
Lubrication Oil : High quality fully synthetic 2 cylinder oil such as Motul 800 2T 100% synthetic racing motro oil , Red line two-stroke racing motor oil , Stihl Ultra high performance 2 cycle fully synthetic engine oil etc . 
Break in Propeller : 23X10 (Standard Two leafs prop)
Cooling System : Air Cooled
RCGF Stinger Engine package Includes: electronic CDI ignition, muffler, spark plug, gaskets, bolts, throttle arm extension & manual.
Weight:

Engine: 3.32 lb (1508g)
2XMuffler: 5.36 oz (152 g)
Ignition Module: 5.1 oz (145 g)
Total: Weight: 3.98 lb (1805 g)
Technical Data:

Ignition Battery: 7.4V-14VNiCd or NiMH, 7.4V LiFe or 2S LiPo pack ( DO NOT use BEC, iBEC or uBEC)
Gasoline/Oil Mix: (recommended : 32:1 for real oil, or 40:1 for synthetic oil) 
Replacement Spark Plug: NGK CM6 or equivalent
Idle Speed: 1600 rpm/min