[NSRCA-discussion] YS160 vs YS170

[John Pavlick]

Probably not. I've heard of a few exhaust valve spring failures on the 160 too. <LOL>
   
  John Pavlick

Ed Miller <edbon85 at tds.net> wrote:
  Can someone that has run them both give a synopsis of the differences, pros, 
cons, etc. comparing the YS160 and YS170DZ ??? I find it hard to believe .1 
cu in. increase in displacement amounts to much if any power increase. I've 
heard of exhaust valve spring failures on the 170. Does it use different 
valve
springs that the 160 ??
Ed M.

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