Which British Seagull Outboards is this suitable for?
GBX10020- This part is suitable for British Seagull Outboards including, Model 110/90 EFNR engines and QB Series Kingfisher KS & KL, Osprey OS & OL and Model 170 engines fitted with the 1/2" British Seagull Outboard Propeller Shafts.
GBXKF203 - This part is suitable for British Seagull Outboard QB Series Kingfisher KSR & KLR and Osprey OSR & OLR engines fitted with the 9/16" British Seagull Outboard Propeller Shafts only.