The Red Max chainsaw engines have a smaller diameter front crank half..The cases are magnesium alloy...The cylinder and piston are the only oarts shared with the airplane G62.....One of these SHOULD be a few ounces lighter and will run exactly same as the airplane G62,,,,
I have one here to convert, will check it out for weight...
The Green Machine 62cc chainsaw is exactly the same as the Red Max saw...