Hayden Primary Chain Tensioner - BIG Twins — Harley-Davidson Road King, Electra Glide Ultra Classic, Street Glide (2007-2017)

Hayden primary chain tensioner for V-twin motorcycles, automatically maintains proper chain tension during acceleration and deceleration to eliminate transmission clunk and deliver a smoother ride. Direct replacement for stock tensioners on Harley and Indian models.

Features

• Automatic primary chain tension adjustment
• Reduces transmission clunk during shifts
• Smoother acceleration and deceleration
• Maintains consistent tension under load

Specifications

• Brand: Hayden
• Manufacturer Part #: M6-BT07
• Length: 7.05 in
• Width: 4.45 in
• Height: 2.2 in
• Weight: 0.94 lbs

Fitment

Fits V-twin Harley-Davidson and Indian Motorcycle models with standard primary chain drive.

Frequently Asked Questions

What does a primary chain tensioner do?

It automatically maintains proper chain tension during acceleration and deceleration, preventing slack that causes transmission clunk and wear.

Will this eliminate all transmission noise?

This tensioner significantly reduces transmission clunk by keeping the primary chain tight. Some mechanical noise is normal in V-twins.

Is installation difficult?

Installation requires removing the primary cover and replacing the stock tensioner. A service manual and basic tools are recommended.

Does this fit my Harley or Indian?

This is designed for V-twin motorcycles with standard primary chain drive. Verify your bike uses a belt or chain primary before ordering.