Koso Air Fuel Ratio Meter 2-Stroke Sensor Adapter

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.

• Includes gauge, mounting hardware, O2 sensor and weld in sensor mount
• Must purchase 2-stroke sensor adapter separately, P/N 27-5721

Shipping weight

0.2 lb

Package size

2.7 × 4.3 × 1.1 in

Salto part #

27-5721

Koso part #

BG001855

In stock at a distributor warehouse. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.

Is it in stock?

Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.

How fast will it get to me?

Usually 2–4 business days by ground.

Will it fit my machine?

The distributor doesn’t publish a vehicle fitment list for this part. Call the counter at 801-361-3010 with your year, make and model and we’ll check it with you before you order.

Is this genuine Koso?

Yes. It ships new from the same distributors the big online stores buy from — Koso part #BG001855.