What is the bore size of this piston ring set?

This Athena piston ring set is designed for a 50mm bore size, which is the stock specification for the KTM 65 SX models from 2001-2008.

What is the benefit of the molybdenum coating on the piston?

The molybdenum coating on the forged piston helps to reduce friction within the cylinder. This can lead to improved performance and potentially longer engine life.

Can this part be shipped to California?

No, this part is not CARB approved and cannot be shipped to California due to emissions regulations.

Athena

Athena 01-08 KTM SX65 80cc 50mm Piston Ring Set

Name: Athena 01-08 KTM SX65 80cc 50mm Piston Ring Set
Brand: Athena
Price: 37.40 USD
Availability: InStock

$37.40

Fits 2001-2008 KTM 65 SX. This Athena 80cc piston ring set is a direct replacement for worn-out rings.

Key Features

Direct fit — verified for 2001-2008 KTM 65 SX
50mm bore size — matches stock specifications
Forged piston with molybdenum coating — helps reduce friction
Aluminum cylinder with galvanic coating — durable construction

Fits this vehicle

KTM 65 SX 2001-2008

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Product Details

Doing a top-end rebuild on your 2001-2008 KTM 65 SX. This Athena 80cc piston ring set is designed to replace your old, worn rings. It's a direct fit for the 50mm bore size.