Direct replacement, not require any modification. Main Jet: For N100.64 #130.
Pilot Jet: For VM28/486 #12.5. Pilot Air Jet: 1.0. Needle Jet: For 568 Series #P-8.
Throttle Valve & Cutaway: For TM36/137 #1.5. TM Flat Slide Float Height: 19mm. Communication is the best way to solve the problem.
Please contact with us if you have special requirements combination of packaging etc.