This is the gear shifter shaft seal for many Honda motorcycles.

OEM Honda Part #91202-KFL-841, not a cheap aftermarket.  

Don't be fooled by others selling aftermarket non-OEM seals with inferior rubber that dries out and cracks.  This is the OEM Honda part.

Replaces #91205-HB2-771, 91202-216-000, 91205-HB2-772, 91202-216-003, 91205-035-303, 91202-302-000, 91202-302-010.

Some applications include:
CB500 74, 79, 13
CB550 74-78

PLEASE READ AND UNDERSTAND DETAILS AND PAYMENT/SHIPPING TERMS BEFORE BUYING. THANKS.