Originally posted by gfd2726
Recently, I got a used O.S .12TR 5ports (blue head) engine. It didn't come with any instruction so can anyone pm me the factory setting of this engine? Thank you.
my base setting for it is....
-hsn...1 1/2 turn open from close
lsn- 1 1/2 - 2 turn close from flush.
and mid needle setting - 1 turn from flush...
hope thats help..