| 620 Sport Tank Info required
Any of the other 620 Sport owners ever drained their tanks?
Should the "drain" allen bolt have a washer on it?
(Mine doesn't but I would have expected a fibre or aluminium one to be there to help seal the joint between bolt and steel tank)
I ask as I'm trying to fix a very small leak that is coming from the rear of the tank somewhere.
The workshop manual I have shows two exploded diagrams of the petrol tank but no reference to this allen drain bolt.
Cheers | 
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