Up for Bids is a NOS MC Brand 3rd O/S 0.75mm 66.75mm Piston w/ Pin and Clips Fits: Yamaha CT1 CT-1 175 251-11637-00  

Does Not Include Rings.  

Piston Part #: 251-11637-00

Pin Part # 251-11633-00 or 137-11633-00

Circlips Part # 93450-17025

Shipping Stated is for the Lower 48 US States via United States Postal Service. Hi/AK/PR/APO AP may be higher.