These are the flat bottom tank rubbers that were fitted between the lower dished washer and the frame tank bracket, on most single cylinder (i.e Pre Featherbed - Rigid Frames, Plunger Frame and Swinging Arm) non-Featherbed frame models - of all Model types. They are of the type used with our Petrol tank bottom bolts - Item 0124.
Normally four of these rubbers are required per petrol tank, along with four dished washer cups (our Item 0123), and in the accompanying pictures is an exploded diagram taken from the 1948 Norton Spare Parts Catalog that shows the parts that are required - and they are a nice snug fit in the dished washers. These washers (with cups fitted) fit under the frame petrol tank lugs and are held in place by the lipped bolt (Item 0124).
They were also used on some oil tank lower mount brackets - if using a similar bolt to Item 0124.
Note we also sell an almost identical rubber to these - Item 0130. The only difference between the two rubbers is that these rubbers have an internal bore most suited to a 3/8" type bolt going through them. The similar oil tank rubbers (Item 0130) have a slightly smaller hole ID - more suited to 5/16" bolts - as were more commonly fitted to oil tanks and some bolthru Manx tanks.
However - although we manufacture both types, if either are out of stock . . . the other type can still be used as a suitable substitute - and both are a snug fit in our petrol/oil tank dished washers - Item 0123.
These are manufactured for us by a speclialist rubber manufacturer from a firm oil resistent nitrile rubber and are modelled on the original Norton rubber. They are high quality (and one of our most popular items).
Normally four of these rubbers are required per petrol tank, along with four dished washer cups (our Item 0123), and in the accompanying pictures is an exploded diagram taken from the 1948 Norton Spare Parts Catalog that shows the parts that are required - and they are a nice snug fit in the dished washers. These washers (with cups fitted) fit under the frame petrol tank lugs and are held in place by the lipped bolt (Item 0124).
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