Yamaha 150 Four-stroke Gear 1 "28T" P/N 63P-45560-02-00 . This is out of a 2006 Yamaha 150 4-stroke outboard motor, model number F150TLRD. This gear has a some discoloring on the inside of the teeth where it looks like it may have got hot. Also the bearings need to be replaced. This part sells for over $377 new. If you have any questions feel free to ask.

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