What is this from?

Snorton74 · Mar 28, 2013

Found it on the lift and I don't recognize it. Any ideas?

mikegray660 · Mar 28, 2013

thats a 25 cent piece - from the US mint most likely - with 3 more you can make a stripper jiggle a bit more :shock:

kraakevik · Mar 28, 2013

Probably the washer under the rotor nut in the primary

Tim Kraakevik
kraakevik@voyager.net
'72 Combat, '74 RH10 850

madass140 · Mar 28, 2013

looks like the alternator rotor nut washer.

BillT · Mar 28, 2013

+1

The ridges are a locking device, similar to the 'shakeproof' washers typically used on English bikes.