Yamaha BC3-11642-00-A0 - Piston 2 (Std) is a genuine Yamaha part. It is an internal engine component built to Yamaha's specification. Use part number BC3-11642-00-A0 to confirm it matches the component shown in your model's Yamaha parts diagram.

---

Key Features & Benefits

• Installs in the position shown in the Yamaha engine parts diagram.
• Built to Yamaha's specification for its engine location.
• Size designation Std as listed by Yamaha; confirm the required size with service manual measurements.
• The 2 in the name separates this part from others that share the same name, so order by part number BC3-11642-00-A0.
• Sold under Yamaha part number BC3-11642-00-A0.

---

Frequently Asked Questions

What is the Yamaha Piston 2 (Std) (BC3-11642-00-A0)?

The Piston 2 (Std) is a genuine Yamaha part sold under part number BC3-11642-00-A0. This engine part is one of the internal components that keep the engine running as designed.

What does the Std size on part BC3-11642-00-A0 mean?

STD indicates the standard-size version of part BC3-11642-00-A0. Oversize or undersize versions are listed separately for use after machining or when wear calls for them; confirm the size you need using the Yamaha service manual.

Which Yamaha models use the Piston 2 (Std), part BC3-11642-00-A0?

Model and year fitment data is not listed for BC3-11642-00-A0 on this page. Look up your model's Yamaha parts diagram and confirm that it lists part BC3-11642-00-A0 before ordering.

---

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.