Yamaha - Shaft, propeller - 66T-45611-00-00 Mercury Marine SmartCraft SC100 Gray Face Gauges • Efficient Fuel Delivery –

• Efficient Fuel Delivery – Supports optimal fuel-air mixture for improved efficiency

67F-12168-B0-00 - PAD

Fits Frames up to 3" W x 4-1/4" H

Q3: How often should I replace my impeller

and balance the engineers intended for the V12 lineup

Yamaha - Shaft, propeller - 66T-45611-00-00 Mercury Marine SmartCraft SC100 Gray Face Gauges • Efficient Fuel Delivery –Yamaha Propeller Shaft Lower Unit Component 66T 45611 00 00 Overview The prop shaft is where all that engine power finally meets the water, so when somethings off here, youll feel it right away. Ive seen bent or worn shafts cause vibration, seal issues, and even gear damage if left unchecked. Its one of those parts that takes a beating, especially if youve ever bumped bottom or picked up debris. Keeping a straight, solid shaft in place is key to