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Based on the well proven DA100 opposed twin, the DA100 inline is the perfect 100cc engine for your 1/4 scale warbird.
Firing twice per revolution, the two smaller 50cc combustion cycles provide smoother running than a 100cc apposed twin firing once per revolution.
Super smooth running, incredible power curve, and awesome sound!
All engines come with ignition, prop washer, and prop bolts.
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Instruction Manual