British Seagull® Wipac Breaklerless Capacitor Discharge Ignition Assembly Crankshaft Nut fastens to the British Seagull Outboard Crankshafts holding the British Seagull Outboard Wipac Breakerless CD Ignition Assembly Starter Pulley in place on the Wipac Mk3 & Mk4 ignition assemblies.
The British Seagull Outboard crankshaft nut sit on top of the British Seagull Outboard Crankshaft Nut Washer.
This part is suitable for all British Seagull Outboard engines fitted with the Wipac Mk3 and Mk4 Breakerless Capacitor Discharge ignition assemblies.