Originally Posted by
KevcoRacing
Sorry, I had not been to forum.
Q1
correct head clearance (not quantity of shims but distance between piston to combustion chamber for 30% is 0,60mm
Shims may vary depending form production to production.
Q2
Shim under cylinder improves RPM. Less punch, remove it.
Q3
both Edo-X and "S" run with total head clearance 0,60mm measure with soldering wire of 1,00mm
he speak about emx type s .12 motor.