RE: MVVS Twins
Bob,
MVVS has made glow twins in the past and is making large displacement, gas fuel, twin-cylinder engines.
The glow engines were made in 20 cc (1.20 cid) and in 23 cc (1.44 later engines) displacements.
I suppose yours is a glow model.
The glow engines were equipped either with a standard carburettor, or (1.44) with a Walbro.