This transmission gear box gasket (trap door case gasket) / reduction case cap seal is typically found in Reduction Box Assy / Transmission / Reduction Comp / Transmission Shaft section in several part manuals. Commonly used for but not limited to liquid cooled CN250-A / CF250 / 250cc engines. It is most popularly known for its use in Honda CN250-A, CF Moto 172MM / 172MM-A / CF250T-F, Baja Reaction 250 / BR250, Hammerhead GT250 / Twister UM250IIR / Standard 250, Joyner 250 / Dirt Devil 250 (SZ250DS) / Dirt Devil (SZ250DL) / LM150IIR (Joyner USA), SunL SLGK-250-2A / XF250-2A / XF250-2AR, Diamo Wolverine XF250-2A-2AR and, QLink Commuter 250, as well as many other brands of ATVs, dirt bikes, scooters, go karts (buggies), and engines with alternative profile names.

Manufacturer Part Numbers:

• CF Moto Part Number: 0110-061000 “GASKET COMP., GEARBOX COVER”
• Hammerhead Part Number: 172MM-061000 “REDUCTION CASE CAP SEAL”
• Joyner Part Numbers: 172MM-061000, SZl0210003 “GASKET COMP, GEARBOX” or “GASKET OF COVER”
• Baja Reaction 250 Part Number: BR250-416 “WASHER, TRANSMISSION CASE”
• SunL and Diamo Part Number: XF172MM-1040015 “GASKET, SLOWDOWN BOX COVER”