Part Nr. 67-462
Douglas Flat Tank- Oil sight glass and gasket kit.
The kit comprises a 39mm diameter ,2mm thick, hardened sight glass plus a top and a base gasket. In addition, there is also a fine metal shim in the kit which is placed below the base gasket. The purpose of the shim is to offset the problems which can occur with the thin lip on the Douglas oil cup.&edsp;&edsp;There are three sets of gaskets in the kit. (6 gaskets in total). Only one set is required for the installation. The other two sets are spares for the future.
If your motorcycle is not a Flat Tank but a later model such as a Douglas A31 then please consider using the engine mounted version Part Nr. 68-462