DESERT AIRCRAFT OWNER’S MANUAL HFEDCN0054 Rev G
15
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6. Technical Specifications
Throttle Body air cleaner retaining nuts.
10 in-lbs.
Only use NGK CM-6 spark plugs.
Plug gap is .018” to .020" (.38 to .50 mm)
Size Torque
Spark plug:
CM-6, 10mm 90 in. lbs.
Steel prop bolts:
M5x 50mm 90 in. lbs. /carbon props.
Aluminum crankcase bolts: M5x16mm 70 in. lbs.
Aluminum cylinder base bolts: M5x16mm 60 in. lbs.
Steel cylinder base bolts: M5x16mm 95 in. lbs.
Air Filter Cap nuts:
M5x75mm 10 in. lbs.*
Steel motor mount bolts: M6x16mm 120 in. lbs.
*Caution: Care must be taken to not over tighten the TBI mounting bolts. Over
tightening can distort and damage the injected molded reed valve parts, rubber
gaskets, and throttle body.
a. Battery Recommendations:
Any 3 cell Lipo battery or equivalent battery pack with an amp hour capacity of
2000mA/hr or greater will run the engine for 2 hours continuously.
Using a 4 cell Lifepo4 is also permitted as its output voltage range is with in the 14 to
10 volt range.
