Motion Pro Belt Tension Gauge - Harley-Davidson & Indian V-Twin
About Motion Pro
Motion Pro builds control cables, specialty tools and service equipment for motorcycles, and is the name most shops reach for when a job needs the correct tool rather than an improvised one. Its cables are built to OE routing specifications.
Proper belt tension is critical for the longevity and performance of your Harley-Davidson or Indian Motorcycle's belt drive system. The Motion Pro Belt Tension Gauge provides a compact and accurate way to measure belt tightness. Its L-shaped design is optimized for easy access on all belt widths, making routine maintenance a breeze.
Why riders pick this
- Compact L-shaped design fits all belt widths
- Easy-to-read tension scale for accurate adjustments
- Works with 10 lb. specification belt drives
- Direct replacement for Harley-Davidson OEM #40006-85
An improperly tensioned belt can lead to premature wear, noise, and even failure. This Motion Pro gauge is engineered to deliver precise readings for any V-twin motorcycle with a 10 lb. tension specification, ensuring your belt drive operates efficiently and reliably. It's a smart addition to any rider's toolkit, whether you're a seasoned mechanic or a DIY enthusiast.
Accurate and Easy to Use
- Compact L-shaped design fits all belt widths for universal application
- Features an easy-to-read tension scale for quick adjustments
- Works with all V-twin belt drives requiring a 10 lb. tension spec
- Directly replaces Harley-Davidson OEM #40006-85 for seamless integration
Maintain Your Drivetrain with Confidence
Regularly checking your belt tension with a reliable tool like this Motion Pro gauge helps prevent costly repairs down the line. It's an essential item for anyone who performs their own maintenance on a Harley-Davidson Dyna, Softail, Touring, or Indian Motorcycle. Always consult your motorcycle's service manual for the exact tension specifications for your model.
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)
Common questions
What is the correct belt tension for my V-twin?
Most V-twin belt drives specify a 10 lb. tension. Always check your motorcycle's owner's manual or service documentation for the exact specification for your specific model.
Will this gauge work on any belt-drive motorcycle?
Yes, this gauge will work on any V-twin motorcycle that requires a 10 lb. tension specification for its belt drive. Verify your motorcycle's service manual before purchase.
Does this replace the Harley-Davidson OEM belt tension tool?
Yes, this Motion Pro gauge is a direct replacement for Harley-Davidson OEM part number 40006-85.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Motion Pro |
| TYPE | Tools |
| SKU | 57-80350 |
| WEIGHT | 0.18 lb |
