I've read varying reports that "advertised" weights are not always accurate, but, from
http://www.horizonhobby.com/Products...rodID=EVOE0600
Total Weight: 17.13 oz
Engine Weight: 13.93 oz
Muffler Weight: 3.2 oz
>> While I was typing we got a current report of real weight being 0.4 ounces heavier than advertised weight for this engine.