Motion Pro Belt Tension Gauge — Harley-Davidson Dyna Switchback (2015-2016)

Motion Pro belt tension gauge for V-twin motorcycles, engineered to measure belt drive tightness on any model with a 10 lb. specification. Compact L-shaped design fits all belt widths and replaces Harley-Davidson OEM #40006-85.

Features

• Compact L-shaped design fits all belt sizes
• Easy-to-read tension scale
• Works with all 10 lb. specification belt drives
• Direct replacement for H-D® OEM #40006-85

Specifications

• Brand: Motion Pro
• Manufacturer Part #: 08-0350
• Length: 7.08 in
• Width: 1.57 in
• Height: 0.98 in
• Weight: 0.18 lbs
• Country of Origin: China (Mainland)

Fitment

Fits V-twin motorcycles with belt drive systems and 10 lb. tension specification, including Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

What is the correct belt tension for my V-twin?

Most V-twin belt drives specify 10 lbs. of tension. Check your owner's manual or service documentation for your specific model.

Will this gauge work on any belt-drive motorcycle?

Yes, if your bike uses a 10 lb. tension specification. Verify your motorcycle's service manual before purchase.

Does this replace the Harley OEM gauge?

Yes — this Motion Pro gauge directly replaces Harley-Davidson OEM #40006-85 for the same measurement function.

How do I use this gauge to check belt tension?

Position the L-shaped pad perpendicular to the belt between pulleys, apply downward pressure, and read the tension value on the scale.