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Anonymous Posted on Mar 19, 2017

Yamaha yellow engine warning light on YZF R125

Warning light on constantly with engine running.Oil level is ok, engine starts & runs ok. 10 miles before this disconnected the Speedometer cable prior to checking speed sensor (faulty no speedo reading). 1. Are the two related & reconnection to the speed sensor turn the Yellow light off (this block connector awkward so rather not reconnect unless have to!) Looking @ the wiring diagram that this light only links to the ECU. Perhaps the speed sensor is ok & the speedometer unit failing, the yellow light being another failure? 2. Going to check all wiring to fuel & engine sensors for connection & wiring continuity next. 3. Take it to the bike shop to have the ECU read for error codes. Taking all into account, will it be ok to ride gently to the Bike shop?

4 Related Answers

Joe H.

  • 330 Answers
  • Posted on Mar 22, 2010

SOURCE: Speedometer/indicator lights are not functioning

check for ground to these.ignition switch may need electrical cleaner spray.

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Anonymous

  • 98 Answers
  • Posted on Apr 04, 2010

SOURCE: engine cranks starts for a few seconds shuts off

have you checked the pump relay sounds like your relay is ready for a change

Anonymous

  • 2299 Answers
  • Posted on Nov 11, 2010

SOURCE: At 3500 rpm my throttle

There is a electrical connection on the secondaries of the fuel system. Try unplugging this connector. And see if the bike runs normal then.

jdhnmi

John Hicks

  • 143 Answers
  • Posted on Mar 26, 2011

SOURCE: I have a 2004 grand

i had a problem with all my lights coming on in my 2006 explore took it to dealer to find out that the battery was dying replaced it and they went away

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