Question about Yamaha YZF-R1 Motorcycles

2 Answers

Still gettin the same problem with rev counter going to 7000rpm fitted new servo all is workin as it should and returning 2 set up position. Today bike wouldn't start after a 30 min journey had 2 bump start please help cheers.

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  • MARK DUNLEAVIE Sep 08, 2010

    Hi its a YAMAHA YZF R1 2000. The rev counter was readin 7000rpm after turnin the ignition on so was told to check the exup and servo turns out the servo was not working right so fitted a new one cleaned the exup and they are working fine now but still the rev counter goes to 7000rpm hope this helps Mark.

  • MARK DUNLEAVIE Sep 08, 2010

    Cheers m8 will let you no how it goes cheers Mark.

  • MARK DUNLEAVIE Sep 26, 2010

    THANKS. Sorry just getting back to you would this cause total loss of power and clocks going completely dead got bike going again with a bump start but when i braked or put any lights on clocks went dead again please help.

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Is it newly installed? Are the wires backwards? Sensor clean or cable properly adjusted.?

Posted on Sep 09, 2010

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  • Yamaha Master
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Could u please explain your problem's American English terminology, thanks still having same problem, does it mean you were advised to change a part?

Posted on Sep 08, 2010

  • yadayada
    yadayada Sep 08, 2010

    the tachometer is defective, either have it repaired or replace it, have had this same problem, this is a Denso unit and the all have the same issues

  • yadayada
    yadayada Sep 26, 2010

    please open a new problem thread.

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1 Answer

Splutter at 7000rpm


Hi, Tezzery and the usual suspects are:
1. Severely drained or faulty battery.
2. Faulty regulator/rectifier or high output coil.
3. Faulty power valve, solenoid or installation.
4. Clogged air filter or exhaust.
5. Cracked or incorrect float level.
6. Float needle is not seating.
7. Faulty reed valve.
For more information about your question and free downloads that you will need please visit the website below. Good luck and have a nice day.
Bike wont rev over 7 8000 rpm
TZR50 splutters after 7000rpm Help
Free Cagiva Motorcycle Service Manuals for download
http://www.oemmotorparts.com/oem2.asp?M=Cagiva
http://www.cagiva.nl/media/owner_manuals/?tx_motomondo_pi4%5Bmodel%5D=&tx_motomondo_pi4%5Byear%5D=-1&tx_motomondo_pi4%5Bmanual%5D=

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Rev counter sits at 7000 rpm


problem possibly with the jets may need tune-up.

Apr 16, 2010 | 1999 Yamaha YZF-R1

2 Answers

Engine warning light , battery light, warning light , rev counter , speedo and temp gauge going on/off intermitantly and speedo not working on digital screen on ford focus can you help. the battery is new...


My 04 Ford Focus the battery light keeps coming on & going off, have fitted a new alternator belt but it didn't solve the problem. The battery connections are good. Also the rev counter, speedo & mileage clock keep going haywire when the battery light is on. Do you think it is the alternator? Or is it some other common problem?

Jan 21, 2010 | 2003 Ford Focus

1 Answer

I have a thunderace and the rev counter keeps jumping from 0 t0 7000 revs


7000 rpm is a self diagnostic code that either your exup valve is not being detected or the valve is locked up and not moving. If you put a header on your bike and took over the exup valve servo motor, you are going to have to put it back on. It also changes the mapping of the ECU and will not let it rev to redline when the Exup servo motor is missing.

Oct 06, 2009 | 1997 Yamaha YZF Thunder ace 1000 R

4 Answers

Yamaha 2001 r1 been stood for 2 yrs ;got back on road ;rev needle keeps going from 0 rpm~~7000rpm all the time;bikes runs but must of lost half the power of the bike ????


Hi There,
Got this from my copy of the Yamaha workshop manual for this model

The YZF-R1 features a self-diagnosing system for the following circuits:
1. throttle position sensor
2. EXUP
3. fuel level indicator light
if any of these circuits are defective their respective condition codes will be displayed on the tachometer when the main switch is set to "ON" (irrespective of whether the engine is running or not)

1. throttle position sensor a) Disconnected b) Short-circuit c) Locked 0 - 3,000rpm
2. EXUP a) Improper connection b) Short-circuit c) Servomotor is locked 0 - 7,000rpm
3. Fuel level indicator light a) Improper connection 0 - 8,000rpm

It looks like you have a problem with the EXUP Valve on yours, probably seized or maybe cables not moving freely
Hope this Helps

Apr 25, 2009 | 2001 Yamaha YZF-R1

1 Answer

Rev counter needle


HAVE YOU TRIED DISCONNECTING THE BATTERY & RECONNECTING THE BATTERY THIS SHOULD RESET REV COUNTER.

Jan 04, 2009 | 2003 Ford Freestyle

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