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post #1 of 30 Old 01-17-2019, 08:06 PM Thread Starter
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new biker( bike wont start) help pls.

i have cbr250r(mc41)2014 model
it only had 2400km on it

when i switch the ignition the bike does all its starting process but mil does not go off and bike wont start any tips on how to solve this problem?
fuel pump is not working(i think) and i checked the spark on spark plug and it wont spark
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post #2 of 30 Old 01-19-2019, 09:21 AM
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Hi Garchu and welcome to the forum.


Does the fuel pump hum when you switch the ignition on?
Did you buy the bike in this condition or is it something that happened recently?

My computer is fighting Aids and Cancer in it's idle time, and yours?
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post #3 of 30 Old 01-19-2019, 01:46 PM
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Check the battery voltage.

It should be 12.7V before you turn the ignition on. Then check it with the ignition on - it should only drop slightly. Then check it when you hit the starter button - it should remain over 10V.

If that checks out OK, check the battery terminals to make sure they are clean and tight.

Report back...
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post #4 of 30 Old 01-19-2019, 05:50 PM Thread Starter
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i bought the bike brand new 1.5yrs ago the starting issue happens recently and i already check the battery voltage and its ok..

the fuel pump is not working when i switch the ignition
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post #5 of 30 Old 01-19-2019, 06:02 PM Thread Starter
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sorry for double posting
i post my video on youtube
here my problem mil does not come off and it wont start

https://youtu.be/h_3_S1rbzLU
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post #6 of 30 Old 01-20-2019, 05:30 AM
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Yep, I didn't hear the fuel pump either. Unfortunately I'm no mechanic so I wouldn't know whether this is really the fuel pump's fault or if the electronics which are controlling the pump might be shot.
Maybe some of the more seasoned members here can offer some help.

My computer is fighting Aids and Cancer in it's idle time, and yours?
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post #7 of 30 Old 01-20-2019, 05:49 AM Thread Starter
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i hope someone can solved my problem.. i also test the spark plug but it doesnt have spark


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post #8 of 30 Old 01-20-2019, 09:50 AM
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Quote:
Originally Posted by Garchu Garchu View Post
i hope someone can solved my problem.. i also test the spark plug but it doesnt have spark
That's what makes me think it's not the fuel pump.

Check all the battery connections as well as the fuses.

The video didn't tell me much. Just sounded like weak cranking. Charge the battery. If the battery is fully charged, connections are good, and fuses are fine, try opening the throttle slightly as you are cranking.

It could be the fuel pump, but not having spark makes me think it's more of an electrical issue. You could pull apart the connector from the fuel pump and check for voltage at the connector.
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post #9 of 30 Old 01-20-2019, 02:13 PM Thread Starter
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i checked all the fuses and its not blown
i also bought a new battery but no luck...

i checked the connector on fuel pump but no voltage on it





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post #10 of 30 Old 01-20-2019, 07:29 PM
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Quote:
Originally Posted by Garchu Garchu View Post
i checked all the fuses and its not blown
i also bought a new battery but no luck...

i checked the connector on fuel pump but no voltage on it
Start tracing the wires back, looking for a break, damage, faulty connection, or unplugged connector.
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