I've seen the Bosch O2 sensors for sale, they look identical to the O2 sensors which come with the Powercommander? Do I need to upgrade? Or is the sensor with the PC V good enough?
same sensor, different wiring harness.. and bosch offers it with a longer wiring harness which is always good..
the AT unit is the exact same part
do a search on here and you'll find a part number if you need a 'replacement'..
EPIC THREAD! Thanks mate, this really helps!!
happy to help.. i put a fair bit of thought into it and most posts have been edited for accuracy of info where possible.
most people that bitch about AT, never enabled advanced (per) gear mapping.. thats the KEY
its only 'slow' in comparison to Dyno units which are a little more advanced so you need to touch an rpm / tps
'value box' 5 times b4 getting a proper reading / recommended fuel adjustment 'value'. This isnt very difficult
at all though as you ride.. Just dont expect to go out there n' ride around the block once and its tuned..
you need to start with 'larger' adjustments and slowly narrow down to a tighter 'state of tune'.
the bonus of AT is it obviously takes into account RAM air, which is IMPOSSIBLE on a dyno
i've always thought its absolutely hilarious folks get a 4th gear roll on dyno and instantly think the bike just
magically makes that exact horsepower figure in every gear regardless of TPS value, AFR mixture etc.
i've done an AFR log session while ONLY running my original 4th gear tune and 2nd / 3rd gear were pathetic..
Also, a bike with only 3k kms isnt gonna create the same horsepower over a specific RPM figure over its entire life time..
As others have found here even a valve adjustment will generally lead to different engine behavior / response, which
means you'll have to tune it again.
over the life of ownership an AT / PCV package will actually save you $$$ over dyno time;
your engine will thank you for it as it will be much cooler while its being tuned.
2009 YZF-R1 xPlanker
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Last edited by bacchus40; 03-10-2019 at 09:59 PM.