Question about 2000 Suzuki VS 1400 Intruder

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Just bought a 2000 vs 1400 / 20000 miles on motor. engine backfires and smells like it is running a little rich. ??????

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I'd say either the timing is off or one of the exhaust valves might be leaking
Describe the smell in terms of gas, new oil, burnt oil, burnt oil with some gas, you get the idea.

Posted on Mar 20, 2011


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Engine running to rich

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Running too rich

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A rich smell to the exhaust fumes when the engine is cold is typical. The computer on your bike (and your car) senses that the engine is cold and requires a slightly rich mixture to run. When the engine warms up, the computer leans the mixture back out. This is why you don't have a "choke" on your bike, the computer changes the injector dwell time to richen the mixture instead of you having to use a choke.

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Just bought bike and it has no power . sputters ,smells rich,and backfires with a little throttle in neutral. ordered kn air filter as reg one was dirty butit does the sme thing with filter off. I changed...

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Runing lean

has good power and I got a great deal. I just ordered the Clymer manual (3-5 days delivery) so I am posting here to see if you folks have any quick suggestions. I noticed that the engine has a slight backfire/sputtering on deceleration and would take a while to warm up so I was thinking that it was running a little on the lean side. There was also some minor bluing on the exhaust. I took the plugs out last night and they appeared to be fouled. They were coated with carbon (not wet oil). Now I was thinking that it might be running a little rich. I cleaned the plugs and re-gapped at .0035. The engine seemed to warm up quickly but the it was still sputtering a little when downshifting and decelerating. What do you think this is? yeah backfiring while decelerating or downshifting can mean that you are running a little rich. I adjusted the idle screws on my bike to make that problem go away. Makes sense since as you slow down you normally release the throttle to virtually closed anyway... I havent had that problem since. Except now I get backfiring while riding at highway speeds... methinks my carbs are being flooded and the float levels need to be adjusted.,,,

Nov 10, 2008 | 2008 Benelli Velvet 125

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