Question about 2005 Honda CBR 125 R

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Motorcycle seems to flood

I have a honda CBR150R motorcycle that needed to be re-bored to oversize 0.5. When I now drive with this it seems that it is flooding. the motor stalls after a couple of KMS. I you than leave it for a period it starts again . I need to know what can cause this. I think the pipes to and from the carburetor or ex system is connected wrongly

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Sounds like you have the vacuum pipe incorrectly connected - you are able to run for a while on the fuel in the flat bowl and lines, but then it runs out.
check the vacuum line to fuel tank vacuum switch and make sure it is working.
The other thing to check is the fuel tank breather - run with the tank cap cracked open and see if the problem goes away - if it does, the breather pipe is snagged.

Posted on Jun 29, 2009

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Posted on Jan 02, 2017

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1 Answer

How do i no if i need my pisyon cylinder re-board or just cleaned as there is some light scratching in it ,and if i do need to grt it re-board what size will i re-boar it too. thanks for your help


The bore has to be measured at a number of places to see if it is out of round 0.01mm or tapered 0.05mm
You will need to take it to an engineering shop that can do the boring, they can measure the piston and bore to determine what oversize it will need.
with only light scratches probably 1 oversize 0.25mm, if it has been bored before the oversize is stamped on the top of the piston. 0.25, 0.50, 0.75
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Dear Sir, can a gl1000 be re,bored & fitted with


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www.webcamshafts.com

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