Fantastic Product Tony - Toronto (Thursday, October 22, 2009)
Purchased this mini square digital A/F gauge for tuning my 1980 GS1100 with 33mm smooth bore carbs. This product worked amazing along with single wire Bosch O2 senor. Super easy to wire up with bright blue display. Just needed to weld bung into exhaust header. When the bike is hot I can get readings down to a 1/4 throttle. I would totally recommend this product for bike carb tuning, it's a great tool, Thanks again.