ninjette.org - View Single Post - [300] Anybody Using O2 Sensor to Collect Data?

DannoXYZ · December 9th, 2017, 12:42 PM

What year is your 300? I don't think the 2013-14 US models had O2 except for California?

WIth PC, it's an option to remove, but you'll have to do A LOT of re-tuning of entire fuel-map. Idle and partial-throttle from 10% to 90% throttle. That's like 1000 data-points you have to adjust. The factory ECU does that for you with O2-sensor. No need to re-do a lot of the factory's engineering for no better results.

What you're only really interested in adjusting is the 20-30 data-points under 100% WOT to match any mods you've done like exhaust, high-comp pistons, cams, larger-valves and porting, etc. You need a wideband O2-sensor with datalogging to record your AFR as you ride. A gauge or instantaneous display is not useful and can actually be very dangerous as it distracts you while you're doing 5th-gear full-throttle runs to redline. I like the TechEdge line of sensors from OZ because they are fully-digital (many on market are hybrid digital/analogue, not as accurate), and it has on-boad memory to datalog up to 30-minutes of data without needing a PC connected.

December 9th, 2017, 12:42 PM	#4
DannoXYZ ninjette.org certified postwhore Name: AKA JacRyann Location: Mesa, AZ Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot. MOTY - 2018, MOTM - Nov '17	What year is your 300? I don't think the 2013-14 US models had O2 except for California? WIth PC, it's an option to remove, but you'll have to do A LOT of re-tuning of entire fuel-map. Idle and partial-throttle from 10% to 90% throttle. That's like 1000 data-points you have to adjust. The factory ECU does that for you with O2-sensor. No need to re-do a lot of the factory's engineering for no better results. What you're only really interested in adjusting is the 20-30 data-points under 100% WOT to match any mods you've done like exhaust, high-comp pistons, cams, larger-valves and porting, etc. You need a wideband O2-sensor with datalogging to record your AFR as you ride. A gauge or instantaneous display is not useful and can actually be very dangerous as it distracts you while you're doing 5th-gear full-throttle runs to redline. I like the TechEdge line of sensors from OZ because they are fully-digital (many on market are hybrid digital/analogue, not as accurate), and it has on-boad memory to datalog up to 30-minutes of data without needing a PC connected.