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Full Exhaust on EFI model

1686 Views 1 Reply 2 Participants Last post by  Blue Ghost
Ok I have tried to search but to no avail .

This goes out more to the European guys with EFI as standard

The first mod I would like to do on My bike when it arrives next month is a new exhaust system Full to decat the bike.

My question is how does the EFI system deal with the change of airflow or do we need to remap it some how ?
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....My question is how does the EFI system deal with the change of airflow or do we need to remap it some how ?
It does not deal with change of airflow well. You will have to have a bung welded onto you new exhaust for the O2 sensor if the exhaust system is not designed for the FI version Ninja 250. If you are bypassing the O2 sensor you may need a O2 sensor eliminator. There is a little bit of remapping that can be done, but you need the right ECU. If going to a full system you may want to look at what the LeoVince ECU for FI Ninjas has to offer. These units are installed on the 250 Ninjas for The WSBK European Junior Cup. Dynojet also makes a Power Commander as well.
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