For engines between 70 - 85 cc, including Hamilton logo.

For engines between 55 - 70 cc, including Hamilton logo.

Perfect fit for e.g. the Spitfire.

For engines 65 - 80 cc, including Biela logo.

For engines between 80 - 100 cc, including Biela logo.

For engines between 80 - 90cc.

Heavy duty starter for engines upto 250cc.