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Home / Engine Parts / Lycoming / Gears /72566 Lycoming Starter Ring Gear 12/14 Pitch
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72566 LYCOMING STARTER RING GEAR 12/14 PITCH

1 Review 4 Answered Questions
$149.75/Each
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Part# 07-03070
MFR Model# 72566

Overview

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.

Roger P
January 25, 2018

Q&A

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?

0.440" wide.

Q: How many teeth does the 72566 LYCOMING STARTER RING GEAR 12/14 PITCH have?

149 teeth.