Question about 2008 Yamaha YZF-R6
Hi, Arpit_kadaki it should be noted that in order to "PROPERLY" diagnosis any electric starter issue it is "IMPERATIVE" that you begin with a fully charged battery 12.5 volts or better and be able to pass a proper load test, and the usual suspects are:
1. Battery terminals have loose or corroded connections.
2. Battery cables faulty due corroded or broken internal wiring at the cable connector especially the "NEGATIVE" cable which needs to be checked at "BOTH" ends.
3. Battery voltage, must be 12.5 volts or better, voltage from the battery to the main circuit breaker to the ignition switch to the security/ignition fuse to the TSM/TSSM module to the engine stop/run switch to the starter button to the starter relay to the green wire that connects to the starter solenoid can not drop more than 1/2 volt of battery voltage.
4. With a voltmeter connected to the battery, the ignition switch in the on position, the kill switch in the run position, the starter button depressed, starter engagement should not bring voltage below 8-9 volts.
If a lower voltage is produced a proper battery load test should be performed with a load tester to validate battery integrity or battery replacement.
5. Faulty starter relay, check continuity.
6. Faulty starter solenoid, check contact plate and shoes for excessive electrical erosion/etching, refurbish as necessary or invert contact plate and use the virgin backside. Check contact shoes for being loose. Replace solenoid if the negative function is still a final outcome.
7. Faulty starter, bench test starter with a 12-volt battery if negative function check, decontaminate and undercut armature commutator segments as necessary, check segments with an ohmmeter probe each one and the segment next to it for shorts. Have the armature tested with a growler and field coils, and brush plate with an ohm-meter for opens, shorts or grounds. Replace brushes if less than .438" It is generally cheaper to overhaul/refurbish a starter motor than buy a new one.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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2008 2009 Yamaha YZF R6 Service Manual R6 Moto Data Project
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Posted on Sep 28, 2016
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Posted on Jan 02, 2017
SOURCE: Electric start not working
you likely do need a new battery but i'm not so sure that is all. recheck your wiring again and make certain nothing is hooked up backward or incorrectly. next time tap the starter with a hammer, not hard enough to break the case of course and see if it starts... if so you'll need a new starter as well.
Posted on Apr 08, 2009
it sounds to me like you have a faulty terminal, check voltage reading to the relay from battery pos terminal, now push and hold button and recheck on same terminal, if it stays at around 12volts check terminal on other side of relay it this is lower significantly than first side replace again with new relay. of both terminals voltage drops you have faulty battery.
Posted on Apr 26, 2009
First eliminate the side stand starter cutoff switch as the cause by performing a simple continuity test on it. Side stand up, the circuit should be closed (no resistance). Side stand down, open circuit.
With that out of the way, you can test the starting motor by using a large screwdriver to bridge across the two large cable connections on the starter relay. If the starter doesn't spin (and you have confirmed that there is battery voltage to one of the large cables going to the relay) - then you've got either a bad starter motor, or a faulty cable connection between the starter and the relay.
Posted on Nov 08, 2009
Charge battery to full, start in neutral, still clicks? Bad ground, or bad connection. Jump starter solenoid with screwdriver,etc. if motor turns over the relay is bad. Chaz Moto DC
Posted on Jan 22, 2010
THE OPERATION OF THE CLUTH ON HIS MODEL IS OF CABLE TYPE, IF THE CLUTCH IS OPPERATING CORRECTLY THE 1ST THING TO CHECK WOULD BE THE CABLE, REMOVE THE CABLE YOU SHOULD BE ABLE TO PULL THE INNER WIRE SMOOTHLY TO AND FRO, IF YOU NEED TO USE ALOT OF EFORT TO DO THIS THEN YOU WILL NEED TO REPLACE THE CABLE,MAKING SURE YOU HAVE ADEQUIT FREE PLAY AT THE LEVER WHEN RE FITTED. OBSERVE THE ROUTE THE CABLE TAKES BEFORE REMOVAL AND REPLACE IN THE SAME WAY, YOU MAY ALSO TRY TO GET SOME LITE OIL DOWN THE CABLE, THOUGH I SUSPECT THIS WILL BE ALMOST INPOSSIBLE IF IT IS THIS TIGHT TO OPPERATE
Posted on Aug 15, 2010
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