This gear with 37 teeth and 19 splines is typically found in Electrical Starting Assy / Electric Starter / Starter Motor / Electrical Start Propeller section in several part manuals. Commonly used for but not limited to liquid cooled CN250 / CF250 / 250cc engines. It is most popularly known for its use in Honda Helix / Spazio / Fusion CN250, CF Moto 172MM / 172MM-A / 172MM-B / 172MM-C / 172MM-F / V3 / V5 / CF250T-5, Baja Reaction 250 / BR250 / Dune 250 / DN250, Hammerhead 250ss / GT250 / GTS250 / Twister UM250IIR, Joyner 250 / Sand Viper 250cc / Viper JNSZ250DN / Viper 250 (SZ250DI) / Dirt Devil 250 (SZ250DS) / Dirt Devil (SZ250DL), SunL SLGK-250-2A / XF250-2A / XF250-2AR, Diamo Wolverine XF250-2A-2AR, QLink Legacy 250, Kinroad 250cc XT250GK-2 / XT250GK-7, and Gio Bikes GT250, and Blades XTX250, as well as many other brands of ATVs, dirt bikes, scooters, go karts (buggies), and engines with alternative profile names.
Approximate Dimensions:
Outer Diameter: 122mm (4.80”)
Inner Diameter: 22mm (0.87”)
Number of Teeth: 37
Number of Splines: 19
Manufacturer Part Numbers:
CF Moto Part Numbers: 0110-092000, 172MM-092000 “"DRIVEN GEAR COMP."
Baja Reaction 250 (2-seat) Part Number: BR250-458 “GEAR, STARTER”
Joyner Sand Viper 250cc Part Number: 172MM-092000, SZ13020006 “GEAR” or “DRIVEN GEAR COMP”
Hammerhead Part Number: 172MM-092000 “DRIVEN GEAR COMP”
SunL and Diamo Part Number: XF172MM-1061000 “CLUTCH GEAR ,ELECTRIC STARTING GEAR COMP.”
Generic OEM, Jonway and JM Star Part Number: YYSLL2501204 “START CLUTCH GEAR”
QLink Legacy 250 Part Number: 172MM-092000 “DRIVEN GEAR COMP.”