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sam9s · 03-10-2009, 03:29 AM

Ok now I think I have to dig in.......

well what do you guys understand when you say Fuel mapping....Hydbiker, KK_rtr????? If you ask me Fuel mapping is a theoratical graph that displays the optimum fuel enrichment at a given RPM. This fule map is used as an input for EFI (Elecrtonic Fuel Injection System) for regulating air/fuel mixture. now this EFI is not used in bikes (except the RTR-FI and may be FZ as well.....) but our good old carburattor is been modified to perform better......so comes the TPS (THROTTLE POSITION SENSOR......) which is what we have in GSR (not sure abolut fazer)....
Throttle position sensor sends signal to the engne controll unit (ECU) which in turn controlls the ignition and fuel injection timings which again is what Fuel Mapping is. So saying that we can not do fuel mapping with carburettor is wrong.

Now what I believed was or may be I still believe is that the ECO PWR mode we are talking about is electronically connected with the TPS sensor and adjusts the TPS depending up on the mode choosen.........which in turn adjusts the fuel mapping. Like for eg if the TPS idealy directs the ECU to do x% of fule mapping at a particular throttle position it would differ if the PWR mode is selected and same for ECO mode.................Thats what I think......I hope I made some sense....

Again I might be totally wrong for the latter part but the former one I presume is correct.

03-10-2009, 03:29 AM	#110 (permalink)
sam9s High 5 Flyer Join Date: Feb 2009 Location: Delhi NCR Posts: 153	Ok now I think I have to dig in....... well what do you guys understand when you say Fuel mapping....Hydbiker, KK_rtr????? If you ask me Fuel mapping is a theoratical graph that displays the optimum fuel enrichment at a given RPM. This fule map is used as an input for EFI (Elecrtonic Fuel Injection System) for regulating air/fuel mixture. now this EFI is not used in bikes (except the RTR-FI and may be FZ as well.....) but our good old carburattor is been modified to perform better......so comes the TPS (THROTTLE POSITION SENSOR......) which is what we have in GSR (not sure abolut fazer).... Throttle position sensor sends signal to the engne controll unit (ECU) which in turn controlls the ignition and fuel injection timings which again is what Fuel Mapping is. So saying that we can not do fuel mapping with carburettor is wrong. Now what I believed was or may be I still believe is that the ECO PWR mode we are talking about is electronically connected with the TPS sensor and adjusts the TPS depending up on the mode choosen.........which in turn adjusts the fuel mapping. Like for eg if the TPS idealy directs the ECU to do x% of fule mapping at a particular throttle position it would differ if the PWR mode is selected and same for ECO mode.................Thats what I think......I hope I made some sense.... Again I might be totally wrong for the latter part but the former one I presume is correct. Last edited by sam9s; 03-10-2009 at 03:31 AM.