Hayden Primary Chain Tensioner - Sportsters — Harley-Davidson Sportster 1200 Custom, Sportster 883, Sportster 883 Hugger (1972-2026)

Hayden primary chain tensioner for Sportster V-twin engines, automatically maintains chain tension during acceleration and deceleration to eliminate slack and chatter. Keeps the primary chain properly seated for smoother shifting and a noticeably quieter drivetrain.

Features

• Automatically adjusts primary chain tension
• Reduces chain slack during acceleration and deceleration
• Smoother shifts with eliminated "clunk"
• Quieter primary drive operation

Specifications

• Brand: Hayden
• Manufacturer Part #: M6-XL4
• Length: 4.45 in
• Width: 7 in
• Height: 2.25 in
• Weight: 0.9862 lbs

Fitment

Fits V-twin motorcycles including Harley-Davidson Sportster models.

Frequently Asked Questions

What does a primary chain tensioner do?

It automatically keeps tension on the primary chain during acceleration and deceleration, eliminating slack and reducing drivetrain noise and wear.

Will this stop my transmission from clunking?

Yes — proper chain tension eliminates the "clunk" on shifts by keeping the chain seated and reducing slack between sprockets.

Is installation difficult?

Installation varies by model. Consult your service manual or a qualified mechanic for your specific Sportster year and model.

Does this fit all Sportster models?

This tensioner is designed for V-twin Sportsters. Verify compatibility with your specific model year before ordering.