I bought a 17"X4.25" spoker from an early model Tiger & run a 160X60X17 Avon StormII.
Straight swap & the narrower tire still appears wider than the stock unit.
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I've gotten this far in life by refusing to act more than half my age, and I intend on continuing this way. My Photos
'05 America // '82 KZ1100 // '77 GS750