NOS OEM Piston,  +.25, 1st OS,  56.25 mm

1967 Yamaha YDS5 YDS5E DS5

204-11635-01, 204-11635-00 - hard to find much info. on this 204 prefix, Yamaha documents say it is the 1967 YDS5

The 156 piston supposedly fit too but they do not have ports, these 204 pistons have ports.

This is from vintage NOS OEM Yamaha dealer stock.

Bazooka Garage will provide discounts on shipping when more than one item is purchased and shipped to the same address.

Contact us if you have questions. 

GLOBAL SHIPPING AVAILABLE !!

Bazooka Garage ships WORLDWIDE via US Postal Service.

CONTACT US FOR A REASONABLE SHIPPING QUOTE!!

International Buyers – Please Note: 

This is directly from Ebay's pages on International Shipping & Customs:

Who Pays for Customs?

Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.

Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.