2-stroke Oxygen Sensor Adapter
$ 52.74
In stock
2-stroke Oxygen Sensor Adapter
Part #: 27-5721
Koso quality guaranteed.
Available for ship to store.
2-stroke Oxygen Sensor Adapter
Product Specifications
| Weight | 0.2 lbs |
|---|---|
| Dimensions | 2.7 × 4.25 × 1.15 in |
| Part Number | 27-5721 |
| MPN | BG001855 |
| Brand | Koso |
| MAP Policy | true |
| Country of Origin | Canada |
Product Description
2-stroke Oxygen Sensor Adapter is available now from Knobtown Cycle, your Kansas City motorcycle parts specialists.
This back lighted wide-band air/fuel ratio gauge will give you information on your engine to allow a more precise tuning. The programmable warning will tell you if your engine is running too lean or too rich. It is easy to install on either 2 or 4 stroke engines.
Key Features
- Includes gauge, mounting hardware, O2 sensor and weld in sensor mount
- Must purchase 2-stroke sensor adapter separately, P/N 27-5721
Product Specifications
- Part Number: 27-5721
- Brand: Koso
- Weight: 0.2 lbs
Available at Knobtown Cycle
Order online or stop by our Kansas City location. Kansas City riders since 2004!
Part Locations
| Location | Available |
|---|---|
| Ashley (IN) | 0 |
| Elizabethtown (PA) | 0 |
| Boise (ID) | 0 |
| Midway (GA) | 0 |
| Fresno (CA) | 0 |
| Jessup (MD) | 0 |
| Midlothian (VA) | 0 |
| National Total | 0 |
Stock levels last updated: March 8, 2026 5:04 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.
Product Reviews
Need help with installation? Our Service Department based in Kansas City, Missouri is here for you. Fill out a Service Request and lets get you rolling!

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