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Won't start blues

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Kpriceless
L Plate Warrior



Joined: 23 Feb 2017
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PostPosted: 01:29 - 23 Feb 2017    Post subject: Won't start blues Reply with quote
Having trouble with my bike will not start but will start with spray but cuts right off after just sputtering need advice, replaced coil and plug

2113 honda cbr 250r


HELP!!!
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Paddy Blake
World Chat Champion



Joined: 29 Jun 2006
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PostPosted: 01:41 - 23 Feb 2017    Post subject: Reply with quote
Is the fuel turned on.?

If it starts whit spray then it is a fuel problem.
Is the fuel turned on.?
Other then there is a blockage in the fuel getting to the engine.
Does it have a fuel filter.?
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jaffa90
World Chat Champion



Joined: 06 Apr 2016
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PostPosted: 02:22 - 23 Feb 2017    Post subject: Reply with quote
Paddy Blake wrote:
Is the fuel turned on.?

If it starts whit spray then it is a fuel problem.
Is the fuel turned on.?
Other then there is a blockage in the fuel getting to the engine.
Does it have a fuel filter.?

As said fuel problem with what you say, if fuel injected what noises can you here when switching the ignition key on?
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Kpriceless
L Plate Warrior



Joined: 23 Feb 2017
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PostPosted: 05:40 - 23 Feb 2017    Post subject: Reply with quote
Can not find a fuel switch, can hear pump prime for a few seconds,yes it has a filter under the tank,hoping it's something simple like pump or filter
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Paddy Blake
World Chat Champion



Joined: 29 Jun 2006
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PostPosted: 06:04 - 23 Feb 2017    Post subject: Reply with quote
Kpriceless wrote:
Can not find a fuel switch, can hear pump prime for a few seconds,yes it has a filter under the tank,hoping it's something simple like pump or filter


Have a look at the filter see if it is full of dirt.
Disconnect the fuel line from the pump to the carburator
and press the start button to see if fuel comes out.

If all is fine clean the carburator.
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BTTD
World Chat Champion



Joined: 22 Nov 2012
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PostPosted: 08:55 - 23 Feb 2017    Post subject: Re: Won't start blues Reply with quote
Kpriceless wrote:
2113 honda cbr 250r


Future bike?

I'm guessing 2013 model = fuel injection, no carbs (at least that what google's told me).
Injectors don't usually just stop working, so it'll most likely be the filter or the fuel pump. Worth checking the wiring to the injector - is there a loose plug sitting there all obvious like?

Other possibilities - kill switch? I would expect it to kill the ignition rather than the fuel injection, but it is switched to on right?
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davebike
World Chat Champion



Joined: 15 Nov 2013
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PostPosted: 09:12 - 23 Feb 2017    Post subject: Reply with quote
Been standing unused ??

If so change fuel or at least add fresh fuel
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NC750Xdct + others at work !
davebike1@gmail.com
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arry
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Joined: 03 Jan 2009
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PostPosted: 09:26 - 23 Feb 2017    Post subject: Reply with quote
A friend of mine was looking at these a while back and I'm sure I remember reading up that they like to blow fuel pumps. Give the pump a tap and see what happens.
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Kpriceless
L Plate Warrior



Joined: 23 Feb 2017
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PostPosted: 22:44 - 23 Feb 2017    Post subject: Reply with quote
Ok, fuel pump is fine tested it on 12volt battery filter clean no blockage even tried starting without pump still just poofs of smoke still won't start can it be the cdi box? Running out of ideas.
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iooi
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Joined: 14 Jan 2007
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PostPosted: 22:50 - 23 Feb 2017    Post subject: Reply with quote
Take the plugs out.

What are they like?

Do they spark well out of the engine?

Battery Voltage, when cranking?
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jaffa90
World Chat Champion



Joined: 06 Apr 2016
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PostPosted: 00:50 - 24 Feb 2017    Post subject: Reply with quote
Kpriceless wrote:
Ok, fuel pump is fine tested it on 12volt battery filter clean no blockage even tried starting without pump still just poofs of smoke still won't start can it be the cdi box? Running out of ideas.


If it`s a fuel injected engine what`s the fuel pump pressure?
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Paulf
Nova Slayer



Joined: 24 Jan 2017
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PostPosted: 20:30 - 24 Feb 2017    Post subject: Reply with quote
If you have good compression, good spark and timing spot on then according to honda workshop manual a IAC ( idle air control) valve reset is next for a Honda fes 125 PGM To. Not sure if car 250 is the same. But it is a simple process which worked for me faced with the same starting g conditions. To reset is a bit complicated to describe, but you can watch the general process on YouTube, type in "honda PGM FI v4" the one by Tapat Wong. It is in Thai but the process is shown. Note the two wires in the red plug you connect with the loop of wire changes colour per honda model but looking at the connector you want the two left wires with the connector rectangular face widest part vertical, the pins uppermost ie the 4 pins 2x2 top. When you look at the connector it will become apparent. The official honda tool is called the dtc short connector and the red connector is called the dtc connector (diagnostic trouble codes). The honda tool is common across the dtc connector range hence the position is relevant not the colour of wires. To complete the process if the engine starts the engine should idle until the fan kicks in without touching the throttle. I doubted it but it worked for me.
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