Yammy YBR management light.

[Andygt]

Hi guys. Took my YBR out today on its maiden voyage. Was all going well up to a point when I nudged 55mph and all of a sudden the revs dropped and the engine management light flashed at me. I stopped to fill up with fuel and then carried on without any reoccurrence. I know it's a bit of an ambiguous question but any ideas? Cheers

[Alpha-9]

Oil level?

I've only seen mine come on when the booting up or the side stand goes down!
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Fzr-600 1999

[neil.]

Would have been flashing a fault code. Maybe a loose connection to one of the fuel injection system components. Did you count the number of flashes at all?
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CBT February 2008 | A2 June 2008 | Yamaha YBR125 (written off) | Honda CBF125 (current)

[Alpha-9]

[Andygt]

It was just one single flash and the revs dropped off at about 55mph

[Alpha-9]

Did the engine switch off?
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Fzr-600 1999

[Andygt]

Engine didn't cut out. It just died off and run a fair bit slower until I stopped and started again. I'll take it back out in a bit and see how it goes

[gfrancisdev]

I had something similar the first time i hit 65, power suddenly took a huge dive and the light started flashing rapidly

hasn't done it since (4000 miles, lots of 65mph)

not a clue what it was, but it was before i replaced my air filter, so maybe it needed more oxygen or somesuch

[Andygt]

Took it out today and up to 60 odd without issue. Maybe its just 'one of those things' lol

[Andygt]

Took it out today and up to 60 odd without issue. Maybe its just 'one of those things' lol