Question about Honda VT 1100 C Shadow Motorcycles

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Runs rough at idle and wants to quit when you give it gas unless it is on full choke

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This is usually an indication of fuel starvation. The jets in the carburator are probably clogged or (if you have a fuel filter) the fuel filter is clogged. In a well ventilated area and away from any sparks or flames, remove the carburator drain plug (usually at the bottom on the side of the bowl or on the bottom of the bowl). (Turn off the fuel flow to at the tank first). Try to catch the fuel as it exits in a small container. After you've drained the fuel from the carburator, examine the fuel and look for small particles. If they are present, you need to clean the jets which requires disassembly of the carburator. You'll need a manual and a rebuild kit for your particular bike to go beyond this step. However, if you're lucky, you can try turning on the fuel and flushing the carburator(s) out. If fuel only trickles out, then you've got a clogged fuel system. Could be the float valve or filter in this case. If fuel runs strongly, then if you still may have to clean the jets. Turn the fuel off, replace the plug(s), turn the fuel back on and give a few seconds for the bowls to refill and trying running the bike again. If it is fixed, then no further action is required except to keep your fuel cleaner! If not, you'll still have to clean the jets.

Posted on Apr 10, 2011

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