This nice back lit Wideband Air/Fuel Ratio Gauge will give you precise information on your engine. IT will ALLOW YOU TO TUNE
MORE PRECISELY if your engine run too Lean or too Rich.

Specifications:
12V DC Voltage Only
Display Range 10.0-24.0 A/F
Over Lean Setting 14.8-24.0 A/F
Over Rich Setting 14.6-10.0 A/F
Screen Update's 2 x Second
Water Proof
Instrument Weighs 3 oz's
Instrument dimensions 4.0"L x 1.75"H x 1.0"W

Includes:
Koso Instrument
Bosch Wide-Band O2 sensor
Weld Bung & Plug
Wiring Harness
Universal Mounting Bracket
Instruction Manual


Be sure to get an adapter fitting for 2-strokes!