![]() ![]() ![]() There are many settings and limits which can be changed or removed when an ECU is remapped. When an ECU is remapped, these retards are simply removed and you’re good to go without the need of a TRE. People sometimes fit Timing Retard Eliminators (TRE’s) to combat this, again more wiring, modifications and components to install. Factories sometimes install timing retards in the first three gears of their bikes to lessen the power hit. Fuel controllers can not alter a bikes timing. Altering (advancing) the bikes timing is where more power can be safely gained over border line AFR’s. Timing tables or maps can also be edited. ECU remapping can achieve this without hacking into the bikes wiring or having additional components strewn throughout the bike by altering the existing factory maps. Most tuners will aim for anywhere between 12.8-13.1 at Wide Open Throttle (WOT) as this provides a safety margin. The ECU’s internal settings or parameters are edited so that the AFR’s are changed to bring them closer to the ideal 14.7:1. Too lean – high combustion and exhaust temperatures, engine damage – holed pistons etc. ![]()
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