1985 Suzuki GSX 550 ES Logo
Mark Hughes
Mark Hughes Posted on Jan 31, 2010
Answered

I have a GSXR 400 1985, been stood for a couple of years, replaced the fuel, won't start - no spark at any cylinder, side stand switch OK, neutral switch OK, spark plugs ok and have fuel at all 4. 20amp fuse had blown under right hand panel adjacent to seat. replaced no change. Enging turns over ok, lights horn etc all work. Please help with next steps.

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  • Mark Hughes
    Mark Hughes Feb 02, 2010

    Batteries were low but was using a spare car battery to jump start. i am aware if the voltage falls the CDI won't fire, I have the same problem with my Zephyr from time to time. But sure battery voltage was OK.

  • Anonymous May 11, 2010

    have you checked the batteries condition?

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  • Posted on Mar 08, 2010
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I would check that the TCI is working by plugging it into another bike GSF 400 bandit is the same unit I believe. If it is damaged you can get a replacement from a firm called ignitech and the upside is the new TCI is not restricted by the *** gear monitoring switch that limits top gear performance.

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  • Posted on Feb 08, 2010
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Check the clutch safety switch on the handlebar

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  • Do you see spark? If not, check the side stand kill switch. It kills the engine so that you don’t start out with the side stand down. If broken or out of adjustment, it would kill the spark. Check for a broken wire at the side stand switch and coupler. Try moving the side stand kill switch by hand. If that doesn’t work then wire a jumper around the switch to bypass it.
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