The British Seagull® Outboard Model 110/90 & QB Series Reverse Thrust Washer is a spacer on the British Seagull Outboard Propeller Shafts between the British Seagull Outboard Crown Wheels and the British Seagull Outboard Model 110/90 & QB Series Reduction Gear Housing.
This British Seagull Outboard part is suitable for Model 110/90 EFNR, QB Series Kingfisher & Osprey and Model 170 engines.