Specially machined crankcase gives increased output
Crankshaft supported by two ball bearings
One Assembled G51 Engine
One Muffler and Header Assembly
One Glow Plug (FOXG1400)
Bore: 23mm (.905")
Stroke: 20mm (.787")
Power Output: 1.48/15,500 RPM
Practical RPM Range: 2500-15,500
Weight w/o muffler: 363g (12.73oz)
Width between centers of mounting holes: 42mm (1.65")
Length between centers of mounting holes: 19mm (.75")
Width of crankcase excluding mounting flanges: 34mm (1.34")
Length from Backplate to front of drive washer: 80mm (3.15")
Height from bottom of crankcase to top of head: 87mm (3.43")
Crankshaft size: 1/4-28
Suggested Prop size: 10x6, 9-1/2x6
Carb Settings: H-2-turns out from closed position.
L- Take carb off, rotate and look at bottom side.
Turn trottle until wide open, set tip of low end
needle half-way across cat eye.
This engine now uses a nut and long bolt to hold the exhaust stack
to the engine (Replacement Muffler Screw Set is SUPG4785).
They NO LONGER include BOLT-ON style Mufflers with this engine.
FUEL: 18% oil content MINIMUM. A synthetic/castor blend is highly
recommended. 10%-15% Nitromethane works well. Higher levels of Nitro
may require adjustment of the compression ratio to prevent detonation.
updt jxs 2/04/04
updt lmm 3/26/09