Question about 2002 Honda CR 250 R

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2002 CR 250-has gas on carb,new plug and only starts with a squirt of starting fluid and dies instantly.

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Best would be to clean the carburator, it seems the gas doesn't enter the combustion chamber, the jets could be blocked.
Check the valve clearance too, not bad to take the compression test of the cylinder.

Posted on Jul 22, 2009

  • susanarcher_ Apr 06, 2011

    There are no valves to check clearance unless you mean the reed valve and that would not cause these symptoms. The problem is likely the pilot jet. It is very easy to miss if you don't know where to look. It is often recessed up in a hole alongside the main jet. You will need a narrow screwdriver to remove it, make sure you get a good fit with the driver tip so as not to strip the soft brass jet. Clean the jet orifice with a guitar string of proper diameter. Check the float needle seat for gunk that would keep the gas from passing into the carb.Drain the carb when not used by unscrewing the 17 mm plug from the bottom of the carb. Good luck.

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It sounds that there is no fuel getting through the carb,the needle valve in the float bowl could be jammed try tapping the side of the carb with the handle of a screwdriver.if it does not work you will have to remove carb and strip it done and clean everything with petrol

Posted on Jul 22, 2009

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