Question about 1993 Suzuki GSX 750 F (Katana)

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Overheating with 15min

93 gsx750f...Engine gets hot, banging sound in motor gets louder, and eventually stalls. Will continue to run, while driving, until come to light etc, then it stalls (and sometimes won't restart til cool)
Now I figure its a cooling problem, been doing some research and its Oil/air cooled. Oil has been changed numerous times in the last 3 years. Now what can I do to narrow down my problem? gunna take it to the local carwash and high pressure clean the cooler fins (tho i think they look clean)
I am at a loss, dunno why its been acting up...Kinda new at this trouble shooting stuff, so any help is appreciated.

Thnx

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  • chirker Apr 19, 2009

    I have changed the filter every oil change, gunna do another one soon here. Btw I normally driver to work and back which is only bout 10 minutes or so and it never acts up, just say I take it across town, then it will.
    Maybe it could be plugged? anyway to flush the cooler? sound like a big job, have the clymer book, tho not alot is said on the cooling system.


  • chirker Apr 19, 2009

    No, every change, i've changed the filter also. Maybe cooler is plugged? Can it be flushed out?
    I got the clymer manual, but doesn't meantion much on the cooling... tho it does look faitly difficult to remove =P


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The banging sound in the engine is Pre-ignition aka engine knock and detonation. This is BIG TIME BAD for the motor. It can destroy a crankshaft and piston in no time. And once it punches a hole in the top of the piston then little metal filings run through the entire lubrication system screwing up bearings and the like.

A lot is involved so the best thing is for you to download a service manual and a parts fiche. The manual can give you all the info available on the oil cooling and lubrication system. The parts fiche is a handy aid in parts identification and unit construction. Free manuals can be downloaded at the site below. Yours is 42nd from the bottom of the Suzuki list. The two files are next to each other.

http://www.carlsalter.com/motorcycle-manuals.asp

Please rate this answer. Thanks chirker!

Posted on Apr 19, 2009

  • tombones Apr 19, 2009

    When you changed oil the last three years, did you ever change the oil filter? Probably the problem right there > plugged up.

  • tombones Apr 19, 2009

    The bike is old enough I don't remember if it has an oil reservoir in the frame. Find out. If it does then the frame will have a filter separate from the motor. That filter may be plugged. You should consider taking the bike to a dealer if you have no success in fixing the problem. I want you to know that your overheating problem is serious business. I wasn't kidding when I said the engine could destroy itself. I don't think I can do any more to help with the problem. Best wishes.

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Your problem is probably fuel filter, replace it and you should be fine

Posted on May 09, 2009

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Preignition - Detination....Read this now..!!!

http://www.streetrodstuff.com/Articles/Engine/Detonation/

Posted on May 06, 2011

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How does it run before it warms up? Carb issue, or wires jumping arc not a heat problem

Posted on Aug 12, 2009

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The radiator , the fan and the timing chain . you 'll have to check the fan if it still turning fast , and the radiator look if there is a leak , now set the timingchain so that the cooling system which it is the problem will work . Then the car can run withuot over heat .

Posted on Jun 20, 2009

  • bengjemeniz
    bengjemeniz Jun 20, 2009

    carrying the motor vihicle to the car wash cant help to much . But changing oil every six months can be abig help for the engine to stop over heating . you can clean the motor cycle at home and check the cooler fins to save money . but if the cooler fins are wrecked go to the nearest repear shop for replacement of the cooler fins .

  • bengjemeniz
    bengjemeniz Jun 20, 2009

    carrying the motor vihicle to the car wash cant help to much . But changing oil every six months can be abig help for the engine to stop over heating . you can clean the motor cycle at home and check the cooler fins to save money . but if the cooler fins are wrecked go to the nearest repear shop for replacement of the cooler fins .

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