Maten van de cilinderboring  





(2-bolt)
23cc (22,5cc) Diameter 32mm - slag 28mm G230RC
26cc (25,4cc) Diameter 34mm - slag 28mm G260RC

(4-bolt)
23cc (22,5cc) Diameter 32mm - slag 28mm G240RC
26cc (25,4cc) Diameter 34mm - slag 28mm G270RC
29cc (28,5cc) Diameter 36mm - slag 28mm G290RC

Chung Yang (CY)

(2-bolt)
23cc (22,5cc) Diameter 32mm - slag 28mm R230
26cc (25,4cc) Diameter 34mm - slag 28mm R260
27cc (26,9cc) Diameter 35mm - slag 28mm R270
29cc (28,5cc) Diameter 36mm - slag 28mm R290

(4-bolt)
23cc (22,5cc) Diameter 32mm - slag 28mm F-230
26cc (25,4cc) Diameter 34mm - slag 28mm F-260
27cc (27,2cc) Diameter 34mm - slag 30mm F-270