Question about Suzuki B-king Motorcycles
Could it be the Plugs or a Coil
Clean the Carburetor. Next winter store the bike with some fuel conditioner.
Posted on May 14, 2014
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Posted on Jan 02, 2017
SOURCE: kawasaki gpz 1000 rx 1987 model
Running well at high revs would indicate that all the fuel and air it needs are getting to the engine and you also have a good spark. Probably no problem with air and fuel filter ( if fitted) or sparkplugs.
Running hot, and bad idling are signs of a lean air fuel mixture. The engine is probably not getting enough fuel at low revs.
This could be caused by an air leak between the carburettors and the engine. Check that the vacuum line to the fuel tap is properly secured at both ends. It is behind the fuel line at the tap.
Get a a short length of hollow plastic tube and use it like a stethascope - put one end to your ear and move the other end around your carburettor mounts with your engine revs as low as you can get, and listen for any sucking noises that would indicate a leak. Look for cracks in the rubber inlets.
The other possibility is that there is an internal blockage in the idling jets or idling fuel circuit. This is where dirt tends to lodge because the jet dimensions and passageways are very fine - The high speed jets are much bigger and dirt often just passes straight through.
Try a little bit of choke while the engine is warm to see if you get a stronger low speed response. If so that would point to an internal blockage.
Posted on Mar 21, 2009
Carbs gummed up. Need a serious cleaning or a full ruubers replacement/rebuild kit. Gas turns to gummy when left stting in the fuel bowls.
Use a couple of cans of Sea Foam.. best stuff in the world.
Posted on Mar 20, 2009
This sounds more like a lean fuel condition than ignition. If it was stored over the winter without the gas being drained or a fuel stabilizer being added, you'll likely have varnish build-up in the fuel system that is not allowing sufficient fuel flow. If your engine is fuel injected, it's likely your injector is partially clogged. If it's carbureted, your carb jets may be partially clogged or your carb float may be sticking and not allowing the needle valve to fully open. Fill the gas tank with fresh gasoline, but leave enough room for a can of Sea Foam. The Sea Foam may be able to break up the deposits and allow fuel to flow again. However, there's no guarantee and the fuel system may have to be disassembled to be cleaned.
Posted on May 05, 2009
i had a similar problem on a suzuki gs250t custom, my bike would not start some times and if did start, would run erratically, and cut out, this was after i changed the spark plugs, found out that the supplier gave me the incorrect graded plugs.
Posted on Jun 11, 2009
sounds like your main jet is clogged you will need to take carb off and clean the jets out run a peice of a wire wheel through the jet to ensure they are clear you also need to clean your float needle valve to ensure that it is getting enough fuel
Posted on Jul 06, 2009
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