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View Full Version : GSXR 750 INFO NEEDED



pommie02
08-05-2008, 11:32 AM
This is for the injection model
does anyone know the base throttle settings.
are the butteflies open at idle or are they closed.
should there be a vacumn at idle ?

Booster
08-05-2008, 12:01 PM
Your talking main blades or sec ?
main should be 99% closed, same as carb with vac like carb , only times this would be different is if there were a idle bypass or idle air valve both fairly obvious if you look closely

pommie02
08-05-2008, 10:15 PM
the main blades...the secondry ones have been removed

pommie02
11-05-2008, 02:06 PM
on the same topic...
does anyone know the injector size for a 2002 model gsxr 750...and what fuel pressure they run

Booster
11-05-2008, 03:33 PM
I think they will be 240cc and 43 psi, you can power the injector with a 9v battery and measure the flow to be sure.

evad
11-05-2008, 06:36 PM
Thats interesting, how do you hook the injector up to the battery?

Booster
11-05-2008, 09:35 PM
9v batt just opens the injector without causing overheating probs and a bit safer when using near fuel & i use longish leeds so any sparks are well away from the fuel