Question about 2003 Yamaha YZF-R1
2003 yzf r1 barely turns over and the starter relay makes clicking noise then the bike resets.....i tested the starter and battery(brand new battery) and it reads 13.5v ...do i need a new starter? is the starter blown?what should i do? thanks
Hi, Tom 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, 12.5 volts or better,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 has dropped more than 1/2 volt.
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.
Bike has trouble starting Won turn over clicks sometimes Bad battery...
OEM parts for Yamaha
Posted on Sep 05, 2016
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Posted on Jan 02, 2017
look at item #12 for fuse location.
Posted on Feb 06, 2009
SOURCE: changing yzf r1 frame
you wont get one, you just have to figure it out as you go. start by stripping all your bodywork off and removing the engine, then the front forks rear wheel and wiring harness. then replace it all on your new frame. keep your work area clean and tidy, mark all electrical connections you have to undo with tape and write on it where they re-connect to.
Posted on Apr 01, 2009
the fuse box is under neath the left side cover as in on the left side when you are setting on the bike it is the fuse that says signals i beleive it is a 15 amp fuse.
Posted on Apr 27, 2009
SOURCE: yzf r1 03 gear prob or?!
Sounds like bent shifting fork which is expensive. If you are not the 1st owner then you don't know how previous owner treated bike. Often sportbikes are rode hard and banged into 2nd gear which can eventually cause tranny problems like bent shifter fork. First look down by the shifter pedal and inspect that it is fastened securely to the shift rod coming out of the engine/trans case. There is a single bolt that holds the shift lever on a splined shaft and can come loose and cause problems.
If that is ok then find a local mechanic you trust....Good Luck !
Posted on May 08, 2009
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