Question about CCM RC 30 Motorcycles

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I've recently had a problem with getting my bike started, i have managed to get it to start now, but it can only be started with the choke fully open and if i try to close the choke it cuts out. (Even when the bike is warm.) Also if i try to aply the throttle a little it sounds as if it is flooding the bike and then it cuts out. Any help would be much appreciated? The bike is a ccm 644 r30 on an 04.

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It is most likely fouled spark plugs. You can take them out and sand blast them, or buy new ones.
I had a CBR 954, and noticed that the spark plugs fouled out pretty easily because it runs so rich at startup (and I would shut it down during the 'warm up' phase).
Here is some more information for you:
What are signs or symptoms that spark plugs in a motorcycle need to be changed?
There are several things that could hint at bad plugs.

- Hard starting.
- Slight to severe hesitation when you give the bike some throttle.
- Stalling, especially when you give the throttle a good twist
- uneven idling (tends to zoom up, or down, or sputters)
- After running the bike for a little bit, take out one of the plugs. If the end of the plug is wet, its not firing, and it could be oil fouling the plug
- take a look at the color of the end of the plug -- if it is white, its running too hot, and it can cause misfires
- look at the same area, and if it is covered in black soot, it can be poor gas mixture and dirt in your tank causing it to foul
Hope this helps.

Posted on Mar 13, 2011


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Turns over but dose not start, spark plug sparking ok

Check you have petrol if the bike has not been run for sometime replace the fuel. Petrol ages and causes all manner of problems.
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1 Answer

I ran my newly purchased 2004 FatBoy last Saturday, and it was wonderful.....tuned so sweetly. But now, today, the second time I've had it out, it was running very rich, to the point it was difficult...

Your bike is not equipped with a "choke" per se. It is equipped with an "enricher" circuit. Although both systems are meant to provide a rich mixture with which to start a cold engine, they do this it completely different fashions. If you were to ride the bike with a "choke" partially on, it would run very rich. But, once you crack the throttle plate open on an "enricher" equipped carburetor, the enricher is rendered inoperative. An enricher only works when the throttle is fully closed.

If you're running rich and fuel is splattering down the right side of the bike, you've got other problems in the carb. I would suspect that your needle and seat is not sealing like it should for one reason or the other. If the bike sat up for a while, it could have some residue on the needle and seat left from the gasoline evaporating or something. I'd go purchase a can of carb and injector cleaner and pour some in the fuel tank. Do not allow any of this to get on your paint. Try that for a tank full if you can. If that doesn't work, the carb needs to be taken off, stripped down, and thoroughly cleaned inside. Maybe install a new needle valve. The seat is not replaceable in the original carburetor.

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1 Answer

Poor starting from cold

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