25mm spring clamps and teflon coupler needed
Zenoah G38 straight header:
90mm length
Zenoah G62 L-shape header:
55 mm our from flange to center, 65mm to outer wall
200mm length
Technical Dimensions
CLICK HERE
SETUP GUIDE by DR.G
DR.G's GUIDE TO CARBURETOR BUTTERFLY TRAVEL, THROTTLE SERVO SPEED, ADJUSTING THE CARBURETOR NEEDLES