Question about 1995 Suzuki GSX 1100 FS (Katana)

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GSX 1100 ignition

My tach drops to 0 then bounces back up when I'm on the highway. I thought it may be a carb issue. But when this happens I can downshift and open the throttle up and I have no problem, that is until I let off the throttle. It really bucks when this happens. It's not fun doing 90 and your bike shuts down for a split second and then resumes the speed and then shuts down again. Talk about getting jerked around. Talked to a Suzuki service manager who said it sounds like ignition. But of corse he wouldn't go any further into what to check. So any help would be much appreciated. Thanks

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Igniter boxes don't actually fail all that often. They are fairly robust. The coils can be problematic, but tend not to do the sudden on/off thingie. What can result in this is a leak between the #3 carb intake runner and the gas petcock. The number three carb supplies the vacuum which 'runs' the stock petcock. Does it still do this on the Prime setting? If not, then for sure its the vacuum line etc.. Good luck!

Posted on Nov 20, 2008

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