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72566 LYCOMING STARTER RING GEAR 12/14 PITCH
MFR Model# 72566
Lycoming's 72566 is a gear starter ring for the company's engines, specifically wide cylinder flange crankcase model engines. This starter ring has a 12/14 pitch that is used on Lycoming's crankshafts and camshafts.
Note: 149 Teeth.
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No problem installing this.
January 25, 2018
Q: Is Lycoming 72566 the whole assembly including alternator pulley?
It is just the ring gear, no pulley.
Q: What is the diameter of this 72566 Lycoming ring gear?
ID approx 11-3/8". OD approx 12-1/2".
Q: How wide is the gear ring when measured across the teeth?