Electronic ignition delvers smooth idle easy starting and
powerful throttle transition spiral wire wrap eliminates
interference
Updated muffler design for increased noise reduction excellent
aeration and power
Sealed crankshaft ball bearings
Optimized pumper carburetor with phenolic insert to insulate
carburetor from engine heat
Lightweight pistons for fast acceleration excellent compression and
low vibration
Composite backplate mount
87 octane gasoline
2-cycle oil mix ratio for this engine is 30 parts gas to one part
oil and must be followed exactly for warranty consideration
and optimum performance
4.8 - 6V NiMH/NiCd or 6.6V LiFe or 7.4V LiPo battery for ignition
(separate receiver style pack can be used) (LiPo & LiFe requires
voltage regulator)
Propeller: 19x8 19x10 20x8 20x10
Field Equipment
Product Details
Displacement: 2.45 cu in (40.0 cc)
Bore (x2): 1.26 (32mm)
Stroke (x2): 0.98 (25mm)
RPM Range: 1 500-8 500
Performance: 4.8 HP @ 8 500RPM
Idle Speed: 1500RPM
Compression Ratio: 10.5:1
Overall Weight: 3.3lbs (1.5kg)
Engine Weight: 2.58lbs (1170g)
Muffler Weight (x2): 3.6oz (102g)
Ignition Module Weight: 5.3oz (149g)
Engine Mount Standoff Weight: 0.7oz (19g)
Miscellaneous Item Weight: 2oz (56g)
Width between Cylinder Heads: 7.1 (180mm)
Distance between Mounting Hole Centers/Narrow Side: 2.1 (54mm)
Distance between Mounting Hole Centers/Wide Side: 2.7 (70mm)
Length/Backplate to Outer Edge of Prop Drive Hub: 6.3 (161mm)
Distance from Crankshaft Center/Outer edge of Carb: 3.5 (90mm)
Standoff Length: 0.98 (25mm)
Spark Plug Gap: 0.018 - 0.020 (0.45mm - 0.51mm)
Carburetor Settings; (carb is preset at factory and should require
only small adjustments)
Idle Adjustment Screw: Turn clockwise to increase idle speed
conterclockwise to decrease idle speed
Low Speed Needle: Turn needle to fully closed position then open
1.25 turns
High Speed Needle: Turn needle to fully closed position then open
1.5 turns-tachometer is recommended when setting high speed
needle to obtain maximum speed
