Product Description
Proton Meters is available now from Knobtown Cycle, your Kansas City motorcycle parts specialists.
Key Features
- The Proton water temperature meter will provide you with a precise reading of your engine’s coolant temperature
- Designed to function on virtually any power sport vehicle as it operates with a CR2032 replaceable battery
- This lightweight compact gauge features a large LCD display for easy reading and a removable face plate with all necessary hardware providing a simple and clean install
- Displays water or oil temperature from 32° to 302°F (0°~120°C)
- Reads in Fahrenheit and Celsius
- Includes sending unit (1/8” pipe thread)
- Can be used for cylinder head temperature (order optional sending unit)
- Order water temperature sensor hose adapter separately
- Records and keeps highest temp until reset
Product Specifications
- Part Number: 27-5739
- Brand: Koso
- Weight: 1.6 lbs
Available at Knobtown Cycle
Shop online or visit our Kansas City showroom. Fast shipping available on all orders! Free Ship to Store!
Part Locations
| Location |
Available |
| Ashley (IN) |
0 |
| Elizabethtown (PA) |
0 |
| Boise (ID) |
2 |
| Midway (GA) |
0 |
| Fresno (CA) |
0 |
| Jessup (MD) |
0 |
| Midlothian (VA) |
0 |
| National Total |
2 |
Stock levels last updated: March 1, 2026 5:07 PM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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