This is a genuine Mikuni VM24-512
Configuration
Main jet: #210 (4/042-strl)
Low-speed jet: #40 (VM22/210-strl)
Throttle needle: 5I14 (J8-)
Needle nozzle: N8 (864 size)
Throttle: 1.5 (832-27043-cut)
Needle valve: 2.5 (786-15005-size)
Air nozzle: fixed (0.8)
Physical dimensions
Outer diameter against engine: 35 mm
Outer diameter against air canister: 43 mm
Total length: 79 mm
From center to highest point: 65 mm
From center to lowest point: 62 mm
Idle screw: right side
Float height: 22 mm
Throttle screw: 1.0 turn