Question about 1999 Yamaha YZF-R6

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My 2005 r1 wont start

It will jump start then i take it for a ride then stop it , it wont start again its like the battery is flat and wont charge , and it stalls if i dont keep the revs up and the spedo flicks on and off

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Check out the battery and cable connections, battery should read over 12v without the engine running. If there is a corroded connector and the alternator charge is not going into the battery, this can damage the regulator, and they are not cheap.

Posted on May 02, 2010

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Start no electrical, bike died like the key was shut off. No electrical what so ever

battery flat if voltage regulater faulty it wont charge the battery

Jul 20, 2013 | 2000 Yamaha YZF-R1

1 Answer

My yzf r1 2010 wont start got new battery yes it work then i left it overnight and yaeh crank 0nce but didnt start.ive jump start works but once off no ride back new batt same thing whats wr

Hi, Moeis in order to check out any main electrical system, you have to start with a fully charged battery 12.5 volts or better and be able to pass a load test if necessary. "WARNING" never plug or unplug any electrical connector with the engine running !!!
1. Check battery terminals for damage or corrosion, check battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
2. Check the voltage drop at the battery when you hit the starter button, anything below 9 volts you might have a faulty battery.
3. Check voltage at the battery with the bike running at 3,600 RPM should be 14.3 to 14.7 volts. If you are not getting these numbers, you might have a faulty voltage regulator.
4. Make sure voltage regulator is "GROUNDED" and functioning properly, watch the video below on how to test a voltage regulator.
5. Unplug the connector to the alternator and hook your multimeter leads to the alternator (pin/socket selection does not matter) set the multimeter to AC volts, at an idle the multimeter should read 16 to 20 volts AC. at 2,000 RPM 32 to 40 AC volts, 3,000 RPM 48 to 60 AC volts. If you are not getting these numbers, you may have a faulty rotor, follow step 6
6. Set the multimeter to OHM'S, connect one lead to the alternator (any pin/socket) and the other to a ground, the multimeter should read infinity. Connect both leads to the alternator multimeter should read 0.1 to 0.2 OHM'S. If you are not getting these numbers, you have a bad stator.
7. Check all wiring in the charging circuit for worn or chaffed spots and all wiring connectors in the circuit for corroded, broken, or loose pins/sockets, which is the # 1 offender.
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.
2009 2011 Yamaha YZFR1 Service Repair Workshop Manual DOWNLOAD Download...
OEM parts for Yamaha

Apr 23, 2012 | 2005 Yamaha YZF-R1

1 Answer

R1 99 has trouble starting new battery once its started battery seems to not hold charge 'it dose for a bit. but when its cold' like next day kicks over for about ten secs and its flat again.then...

you have a problem with the alternator or the rectifier, its not easy to explain test procedures to people , and i recommend taking the bike to a dealer to have it tested.

Sep 08, 2011 | 1999 Yamaha YZF-R1

1 Answer

I have a 2004 R1.start it and it runs fine. when I ride it more than a few miles and turn it off it wont start like batterys died. l just let it sit for maybe an hour it starts right up. I put on charger...

Hi, Tom and the usual suspects are:
1. Ignition Switch not in the "ON" position.
2. Engine Run Switch in the "OFF" position.
3. Discharged battery, needs to be 12.5 volts or better and be able to pass a load test if necessary.
4. Check the battery terminals for damage or corrosion check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
5. Tip over sensor needs a reset.
6. Faulty ignition switch.
7. Faulty starter button.
8. Faulty kickstand or clutch pull in switch/sensor.
9. Starter control circuit, relay, or solenoid faulty.
10. Main fuse or circuit breaker may be blown or faulty.
11. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
99 R1 won start wondering about the diagnosis
2004 2005 Yamaha YZF R1 Service Manual R1 Moto Data Project
OEM parts for Yamaha

Apr 13, 2011 | 2004 Yamaha YZF-R1

1 Answer

Having starting issues..yamaha r1 '05. has a power commander, new battery (8A) times it will start..times i have to open the throttle...but most of the times it will not start, but would start by...

You have a bad battery..... check all out at AutoZone or other auto stores that offer free testing. there are many.
Simple... if it starts with a jump... you have a lack of battery power... bottom line.
you should also check your charging system at same auto center.
good luck

Nov 12, 2010 | 2005 Yamaha YZF-R1

2 Answers

Hi, I own a 2005 R1 for a year now and about 2 or 3 months ago I felt that the battery maybe low, I tried to cherge it but it didn't help much. I bought a new battery today and after installing it the...

ur alternator or voltage regulator has issues-batt is not being charged--havum tested with a multimeter--inspect wiring 1st-may be loose or corroded

Sep 14, 2010 | 2007 Yamaha YZF-R1

1 Answer

05 R1 battery fully charged wont start. make a click buzz sound then resets itself no trouble codes. all lights and equipment works. can be push started

Faulty start solenoid? Check the starter sice of this electric switch with the power on and the start switch depressed. If you have no voltage at this point, the solenoid is suspect. If you have power and no start ... jump power directly to the starter to see if it will run.

Mar 08, 2010 | 2005 Yamaha YZF-R1

1 Answer

My 05 r1 temp gauge says high but it hasnt been started for 2 days. it also wont start i got a new battery but it still wont go

Sounds like the temp sending unit went bad and when they do it wont let the bike start cause if it goes bad while riding and the temperature goes up the computer shuts the bike down before you over heat the engine and trash it. Try disconnecting the battery and reconnect it after you replace the Temp sending unit.

Sep 20, 2009 | 2005 Yamaha YZF-R1

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