The only 4 stroke British lightweights I can remember are the BSA Beagle, and the Ariel Pixie they fitted the engine to, and the Mercury Mercette, and it's brother, the Dunkley Whippet. Here are a Beagle and a Whippet. The Beagle was more common, and unreliable. The Beagle is very rare, and is slower, but might not fail as often.
Mercury Mercette
Ariel Pixie
![](/proxy.php?image=http%3A%2F%2Fwww.users.globalnet.co.uk%2F%7Epattle%2Fnacc%2Farc0562a.jpg&hash=e0d9a20ad6ba7dd29144aee02bdcb409)
Mercury Mercette
![](/proxy.php?image=http%3A%2F%2Fbuyvintage1.files.wordpress.com%2F2008%2F04%2F1957_mercette_01.jpg&hash=741507e072d493d2bf465f1d51562269)
Ariel Pixie
![](/proxy.php?image=http%3A%2F%2Fwww.gregwilliams.ca%2Fwp-content%2Fuploads%2F2011%2F11%2FARIEL_1963_PIXIE_1.jpg&hash=38adfd00c0d4da70bacdb5b858bfaf34)
Last edited: