GY6 Round slide carbs (for repair parts and accessories see link lower in page)
These carburetors are NOT manufactured by Keihin or Mikuni.

 

Carb Typical engine size A B C D Main Jet Slow Jet Part number
18 mm 50 cc 27 40 80 115 Note 1 99101-116 Note 1 N424-26 Air 29
24 mm 150 cc 32 42 110 125 Note 1 99101-393 Note 1 N424-26 JRU 0327
30 mm 250 cc 36 49 105 132 108 99101-393 40 N424-26 Air 28
                 
                 
                 


Note 1: This carb comes with unmarked generic jets. While these jets may work perfectly, we suggest purchasing new jets. New jets will provide a baseline for rejetting if needed.

Carb repair kits
50cc
150cc
250cc

For exploded view carb parts