YEC ’04 YZF-R1 User Manual

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<Operation Procedure for F1 to FD Fuel Amount/Ignition Timing
Adjustment>
Item Operation Meter display Significance
a Mode Transfer Keep "RESET" + "SELECT"
simultaneously pressed and turn on
"MAIN SWITCH".
[______]
b ECU Applicable Value
Adjustment/Diagnostic
Function
[F0____] "F0" indicates ECU applicable value
Adjustment mode.
c Check for ECU Applicable
Mode
Keep "RESET" + "SELECT"
simultaneously pressed
[F1____] Selective state of Code F1
(at Ne-3000 rpm or less/Th-25% or
less) * Always starts from F1.
d Select ECU Applicable
item
Each time "SELECT" is pressed, the
selection code is added
[F2____] “F1 ➔ F2 ➔ F3 • • • FD ➔ FE ➔ F1 • • •”
Sequential selection of F1 to FE
F1 follows FE and again from F1 to
FE
Each time "RESET" is pressed, the
selection code is subtracted.
[F1____] “F1 ➔ FE ➔ FD • • • F2 ➔ F1 ➔ FE • • •”
e Check for Applicable Item
(F1 to FD)
Keep "RESET" + "SELECT"
simultaneously pressed.
[F1___0] Current injection correction (0%)
appears in the lower area of LC.
Adjustable state of Code F1
(at Ne-3000 rpm or less and
Th-25% or less)
f Change in Adjustment
Volume
Each time "SELECT" is pressed,
the adjustment value is increased.
[F1___1]
[F1___0]
[F1____]
“F1___1 ➔ 2 ➔ 3 • • •
(Max. + 25%)
* Refer to adjustment range.
“F1___0 ➔ –1 ➔ –2 ➔ –3 • • • –25”
(Max. -25%) * Refer to adjustment
range.
When "RESET" or "SELECT" is
pressed, the correction volume is
changed and at the same time it is
memorised in ECU.
Each time "RESET" is pressed, the
adjustment value is decreased.
g Select Other Items Keep "RESET" + "SELECT"
simultaneously pressed.
Adjustment amount display goes out,
followed by the selective state for an
applicable item.
The rest of the procedure is the same
as above.
h Finish Changing the
Applicable Value
Turn off "MAIN SWITCH". "MAIN SWITCH" can be turned off at
any timing above.
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YEC ’04 YZF-R1 Specifications

General

Brand	YEC
Model	’04 YZF-R1
Category	Motorcycle
Language	English