If you are using any more than pump 91 Octane ( and if you, do always use Chevron 91) then you probably want to turn the trim Vortex screws one more click toward the rich side for mid and top end and see how the bike rides. If it is white or really light gray like the valves here, then you are probably too lean - Thats how our engine builder found our lean issue. if they look like this, then richen the vortex: The second way to see if you are too rich or lean is to examine the carbon on the valves. If the bike is rich it will feel sluggish and boggy like you have a really dirty air filter. if you hear detonation and mis firing when you are wide open, that is normally an indicator of a too lean condition. The first is to ride the bike, and try all throttle settings from just cracking it open to WFO.
#Oregon vortex map install#
There are two ways to see if you are running lean or rich after you make vortex adjustments, or after you first install a new box: Take a day and run through the maps and ride the bike to see how it feels, you won't regret it. Tuning these ECU's to suit the rider is the biggest performance tool you can ever have for the bike. Standard trim is the # 5 setting, but be prepared to go richer if you are running race fuel, or if you have a power flow air filter installed.Įach click of the screw upwards from the zero trim setting richens the bottom, mid, or top end by 2.5 percent. We raced our 2022 250 SXF at the last National round at Hangtown using standard fuel trim, and then our motor builder told us that the bike was running way too lean using race fuel.
It is also important to make sure your bike is not running too rich or lean, using the three fuel trim screws on the ECU. Map selection is a personal choice - It depends on who programmed the maps into the ECU for what purpose. Yes, TC still works as normal using the OEM map switch.ģ. any time you change the parameters of the Vortex you have to confirm using the TPS protocol as described in the Vortex instructions.Ģ.
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