Scott replied the topic: Re:Sikk porting specs same as Zenoah?
You ONLY need too do the transfer eyebrows and maybe some piston cleanup.
Exhaust port is already wide enough.
Intake port don't touch either.
Sikk's / CY's fail really easy if modified too much !!
2 stroke Engine Tech of 30+ years, Prop tweeker, Chronic tinkerholic, Home of Motor Heads RC Racing Engines ...
8 time NAMBA National 6 lap heat racing record holder.
15 years 5 months ago
#6679