1953 16MS tank fittings

Stan Palmer · Post by **Stan Palmer** » Mon Oct 06, 2008 9:03 am

Can somebody tell me the outer diameter for the large washers on the petrol tank bolts, and the outer diameter of the spacers please. All missing on my bike. Apologies if this has been in previous answers, couldn't find it by searching.

SPRIDDLER · Post by **SPRIDDLER** » Mon Oct 06, 2008 11:28 am

Stan, can't measure the spacers/collars as they are fitted and inaccessible but they are an interference fit in the rubber bushes. It's more important though to get the length right!
The large 'penny' washer is 1 1/8" o.d.

Chazzyb · Post by **Chazzyb** » Mon Oct 06, 2008 12:47 pm

Stan, I have a spacer at home I can wield a caliper at. I'll see if I can find it (the spacer) tonight.

deshollier · Post by **deshollier** » Mon Oct 06, 2008 4:49 pm

£8.60 will get you a full set of rubbers, spacers and washers from JSL - see Miscellaneous - Section D, Petrol and Oil Tanks, Page 1. Bolts are £2.50 each.

Chazzyb · Post by **Chazzyb** » Mon Oct 06, 2008 7:53 pm

Stan, the spacers I have are 0.825" by 0.435" - whatever that is in coinage of the realm. Metric probably...

Stan Palmer · Post by **Stan Palmer** » Tue Oct 07, 2008 9:19 am

Thanks for the information Chas and Spriddler. The parts list says 13/16 for spacer length, giving about 3/16 total compression on the rubbers if the bolts were fully tightened, which sounds well enough.
Des, I am using stainless steel where practical (though the spacer sleeves will be carbon steel), I know it's bad form but I like it. I am currently on the bigger hardware, painting, nuts and bolts sourcing/making and polishing of aluminium when I fancy getting covered in muck. My plan is to get to rolling chassis state first. The myriad bits and pieces from JSL will come later (much later given the delays in nearly everything).