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Daytona Twin Tec WEGO III Air/Fuel Ratio Metering System

Item: 390610

$532.95

Universal Fit: Review specifications carefully.

In Stock - Ships Next Business Day!

Daytona Twin Tec WEGO III Air/Fuel Ratio Metering System


  • Complete fuel/air ratio metering system with built-in data logging
  • Displays AFR (air/fuel ratio) and logs more than two hours data including AFR and engine rpm; spare 0-5V analog input for sensors such as throttle position or manifold pressure
  • Can be used for on-road or dyno testing; suitable for motorcycle and other small engine applications
  • Highly accurate with less than +/-0.10 AFR error over 10.3-19.5 AFR range
  • Easy free-air calibration procedure corrects for sensor aging effects
  • 0-5V analog AFR output for interface to dyno instrumentation
  • Waterproof, ultra-bright, daylight-readable blue LED display with automatic dimming under low-light conditions
  • Wide supply voltage range from 11-16V allows operation from battery on small engines and race vehicles without an alternator; current drain is approximately 1 amp
  • WEGO III data logging software runs under Windows ME/XP/Vista; software allows AFR, engine rpm and analog sensor data with user-defined scaling; data can also be exported to Excel for further analysis
  • Sold in a system that includes WEGO III Wide-Band Exhaust Gas Oxygen Sensor Interface, 42" harness, Bosch LSU 4.2 five-wire wide-band oxygen sensor, 18x1.5mm weld nut for mounting sensor on exhaust pipe and software on CD ROM
  • Compact size: 4" L x 2" W x .5" H
  • Made in the U.S.A.
Specification Details
Country of Origin USA
Thread 18 mm x 1.5
Type Wide-Band O2

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