Honda CBR650RA Shop Manual page 202

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IGNITION SYSTEM
ENGINE STOP SWITCH SIGNAL LINE
INSPECTION (ED, IIED, IIIED, IVED, FO,
IIFO, KO, IIKO models)
Disconnect the ECM 33P (Black) connector (page 4-
76).
Turn the ignition switch ON with the engine stop switch
" ".
Measure the voltage at the ECM 33P (Black) connector
terminal [1] of the wire harness side and ground.
TOOL:
Test probe (2 pack)
CONNECTION: Black/yellow (+) – Ground (–)
STANDARD:
If there is no voltage, check the following:
– Black/yellow or White/yellow wires between the
ECM and ENG STOP fuse (7.5 A) for open circuit.
– Engine stop switch inspection (page 21-16)
IGNITION TIMING
• The ignition timing cannot be adjusted since the
ECM is factory preset.
Remove the following:
– Left middle cowl (page 2-7) (CBR650RA)
– Left shroud (page 2-10) (CB650RA)
Start the engine, warm it up to normal operating
temperature and stop it.
Stop the engine and remove the timing hole cap.
Connect the timing light [1] to the No.1 spark plug wire.
Read the
instructions for
Start the engine and let it idle.
timing light
operation. IDLE SPEED: 1,250 ± 100 min
The ignition timing is correct if the "F" mark [1] on the
primary drive gear aligns with the index notch [2] in the
right crankcase cover.
Coat a new O-ring with engine oil and install it into the
groove in the timing hole cap.
Apply grease to the threads of the timing hole cap and
install it.
Tighten the timing hole cap to the specified torque.
TORQUE: 18 N·m (1.8 kgf·m, 13 lbf·ft)
Remove the timing light.
Install the removed parts in the reverse order of
removal.
5-10
07ZAJ-RDJA110
Battery voltage
-1
(rpm)
[1]
[1]
Bl/Y
[1]
[2]