British Seagull QB Series Locking Nut

The British Seagull® Outboard QB Series Locking Nut is a self-locking nut used in various positions on the QB models of engines, including on the British Seagull Outboard QB Series Fuel Tank Mounting Plates.

Which British Seagull Outboards is this suitable for?

This British Seagull Outboard part is suitable for QB Series engines only.