2009 Yamaha yBR125 Logo
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HAYLEY jONES Posted on Jan 08, 2015
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MY YBR ENGINE MANAGEMENT LIGHT FLASHES 3 SHORT FOLLOWED BY 3 FAST

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Wayne Hardman

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Where is the crankshaft sensor can anybody help me I cannot find it nowhere

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  • Posted on Jan 10, 2015
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That indicates fault code 33 which is a faulty ignition coil

Fault code 12 - Crankshaft position sensor

Fault code 13 - Intake air pressure sensor

Fault code 14 - Intake air pressure sensor

Fault code 15 - Throttle position sensor

Fault code 16 - TPS

Fault code 19 - No signal from ignition to ecu

Fault code 22 - Intake air temp sensor

Fault code 28 - Engine temp sensor

Fault code 30 - Tip over sensor

Fault code 33 - Igniton coil

Fault code 39 - Fuel injector

Fault code 41 - Tip over sensor

Fault code 44 - Read write error ECU

Fault code 46 - Power supply error to FI system

Fault code 50 - Ecu malfunction

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Airbag light flashing.

The light will only quit flashing if there is no problem, So you must have a problem. Do this get to the diagnostic mode only this time count the flashes these are codes, it will look like this example a flash followed by Two fast flashes is code 12, Three long flashes followed by Three short or fast flashes is code 33. When you get the code use the testimonial to tell me what they are. It will show up in my email. I hope this helps. Take care.
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Yamaha ybr 125 error codes

ring Yamaha dealer they will tell you what the codes mean.
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No spark on yamaha ybr 125

Does the bike have an Immobiliser?


If so this maybe the reason you have no spark.....
When did the problem start? Coils rarely are the cause of no spark.
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I think it may have wiring problem

If your check engine light is coming on it threw a code. On the passenger side of the car under the dash in a side panel there is a open circuit that if you insert a paper clip into both prongs will read your code for you. This is done by counting the flashes of your check engine light. It will flash for different lengths of time long then short (ex. 4 long then pause 3 fast is a code 43)
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The bike was stolen, replaced the ignition lock, now won't start

well it depends on what kinda of bike your talking about.like on my cbr600rr it has a tip over switch which wont send spark to the engine and you have to replace it.some bikes you can just reset the ecu.i would get a service manual and find out how to reset the ecu and also see if it has a tip over switch.
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