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February 9 2018 at 11:37 AM
I had an XS 650 Yamaha twin like a Norton and they were bulkier up top
Agreed Bill... the amc twins were'nt too bad cause of the centre web supporting the crank, Norton went with isolastic mounts did' nt they !
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Megacycle made a 270/90 cam, and all you had to do was split the crank and
- Bill Ballinger on Feb 15, 2018, 5:12 PM