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Old 05-16-2011 | 04:19 PM
  #64  
mvarzoni
 
Joined: Oct 2007
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From: Santo Andre, BRAZIL
Default RE: Saito 91 on Gasoline

how bad does the spark plug may affect the engine tunning?

I´m using cheap chinese 1/4-32 on my ST90 and it is great on high speeds, but a little unstable on lower speeds.

Mauricio