Honda fireblade cbr929rr '00 Manuale Di Servizio

Is there an RR on the bike ? (somewhere on the frame

under the bodywork)

You have an integrated generator (car-type, with built in regulator and

rectifier). Most of the problems with this kind of generator are bad

connections, from generator to battery (battery doesn't charge), or a

burned out regulator (battery-voltage too high) Sometimes the

generator itself is at fault. You could check the resistance of the

fieldwinding (around 5 Ohms) and the state the brushes are in.

Otherwise leave it to an expert. After solving the problem, return to

START

Yes

Stop the engine. Disconnect the

blockconnector to the generator closest

to the engine. This connector must have

at least three yellow (or white = Yamaha)

wires in it and one or two extra ones.

Switch the multimeter to the lowest

Ohms-range. measure the resistance

between the two other wires, or between

the single extra one (apart from the

yellow ones) and the engine-casing.

You have a reading

lower than 3 Ohms or

higher than 10 Ohms

The fieldwinding in the

generator or the brushes to the

rotor are at fault. If there are

any brushes inside the

generator, disconnect them and

measure the resistance

between the two copper slip-

rings on the rotor. These are

the rings on which the brushes

run.

(If there are no brushes inside

the generator, replace the
fieldwinding or if that's not

possible separately, replace the

whole stator and return to

START)

resistance

between 4

Ohms and 6

Ohms

Rotor at fault.

Replace it with a

new one, and return

to START

resistance

lower than 3

Ohms or

higher than 6

Ohms

Wiring to the brushes or the brushes themselves at fault. Replace the

brushes, check the wiring to the brushes and return to START

Reading between 4

Ohms and 6 Ohms

Connect one spare wire to the battery(+) terminal and connect it up

to one of the extra wires that are in the blockconnector, apart from

the yellow (or white = Yamaha) wires. Connect a second spare wire

between the battery(-) and the other extra wire in the connectorblock.

If you have only one extra wire, only connect the battery(+) wire to

this one. Make sure the battery(-) is still connected to the frame.
Switch the multimeter to AC-Volts, range at least 100 V (ACV or

Vac). Start the engine and rev it up to app. 5000 rpm. Connect the

multimeter-leads up between two of the yellow (or white = Yamaha)

wires. Check reading on multimeter. Switch one of the multimeter-

leads to another yellow wire and check the reading again. Then

switch the other multimeter-lead and check the reading again.

The three readings are

not equal, or they are

below 50 Volts (AC)

Stator at fault. Replace stator and return to

START

Three equal

readings, all

higher than 50

Volts (AC)

Stop the engine. Switch the multimeter to DC-Voltage (DCV or Vdc). With the block-connector

disconnected as above, connect the multimeter-leads up to the two extra wires in this connector (apart from

the three yellow wires), this in the connector-block emerging from the wiring-loom, not the other side going

to the generator. If there's only one extra wire, connect it to one multimeter-lead and connect the other

multimeter-lead to the engine-casing. When you switch on the ignition, Check the reading on the display.

No reading or a

reading lower than

10 V (DC)

RR at fault.

Replace it

with a new

one and

return to

START

Switch the multimeter to DC-Voltage (DCV or Vdc) Range 20

or 50V. Connect the multimeter-leads to the battery-terminals.

Start the engine and rev it up to app.5000rpm. Check the

voltage-reading.

Lower

than

14.8 V

Higher than 14.8 V

RR at fault. Voltage is not regulated. Replace the RR

and return to START

Reading

10V or

higher

Goto