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And Today's Mystery 2 Stroke Is...?

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And Today's Mystery 2 Stroke Is...?
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And Today's Mystery 2 Stroke Is...?

dandywarhol

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Looks like it was a college project to explain mechanics.

 

Clutch on the crankshaft - terrible design but it did keep it small. Yamaha used that design on early 250 twins, then went racing with them. At 10,000 rpm the crank would eventually break off and launch through the casings!

1967 Yamaha TD1C 250, 2014 Kawasaki W800, 2011 Aprilia Tuono 1000 V4, 2020 Yamaha XSR900



"At the cutting edge of technophobia" [Image: Scotland_180-animated-flag-gifs.gif] [Image: mccoy.gif]

 
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And Today's Mystery 2 Stroke Is...? - by dmmsta - 08-12-2017, 04:14 PM
And Today's Mystery 2 Stroke Is...? - by dapleb - 08-12-2017, 05:14 PM
And Today's Mystery 2 Stroke Is...? - by dandywarhol - 09-12-2017, 12:18 PM

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