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MERCURY MARINE
9-1/4" x 9" Yamaha Outboard Propeller
- Model # 8640591 | Manuf. # QA3906R
- In Stock: Available for immediate shipment.
Three-blade aluminum one-piece propellers for Yamaha outboards.
- 9.9–15hp, BF9.9hp 1987 & up, BF15hp all years: Model 8640591
- 15-28hp, 15hp 1976-83, 25hp 1977-79, 20hp 1976-78, 28hp 1976-78: Model 8640500
- 40-60hp, 40/50hp (not T50) 1984 & up, 55hp 1976-95, 48hp 1995-2000, 60hp 1976-91*: Models 4744082, 8640187, 4744090, 8640203, 8640211, 4744116, 4744124, 8640229, 8640237
*NOTE: Replace existing thrust washer with Mercury thrust washer 73345A1
Product Specs
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