Question about 2001 Suzuki GSF 1200 Bandit S

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I own a 2001 bandit 1200, 50.000 km. Oil consumption is now around 1000 cc per 1000km and smoking blueish. I will replace valve sealing and rings. Qstn: should I replace all rings or just the top ones

I'm good with tools and keen to fix my bike myself, Trying to pinpoint the solution. I'm also considering replace timing chain

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Not being a Mechanic, just what I see as commonsense, replacing ONLY the valve seals without checking for wear in the guides will be a waste of time & money, as the head will already be off the motor, probably also consider re-seating the valves as they need to be out to check the guide wear.---Much the same for rings---If the top ring is worn the others will likley be the same and unmatched rings may cause more problems down the line---for the rings to be checked/replaced, the piston will be out, so check the bore for lip & wear/ovality---specialist tools and a manual will be handy----local library/google may help here.Chains can be measured/checked too---a manual may clarify. I would expect a chain to have some form of automatic tensioner that generally eliminates at least minor wear, which should be quite low (I would think on this mileage---if oil/filter changed as per manual).

Posted on Jan 01, 2013

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Before you pull it apart do a pressure test of each cylinder to see where the leaks are. You may be surprised! Tour problems might only be on one cylinder! THe top rings are only the scraper rings, the other rings make the real seal for your pressure...you decide! It's apart already, sooooo....

Posted on Jan 01, 2013

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Posted on Jan 02, 2017

tse22
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SOURCE: white smoke blowing out the exhaust and oil consumtion on r.cyl.

Its most likely your rings. They get worn and start letting oil into the combustion chamber. They aren't extremely hard to replace.

Posted on May 13, 2009

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SOURCE: 99 GSX600F idles badly, belches smoke

i think your right!! take your drain plug off and drain some oil out....look at it condition does it have small bubbles in it does it smell funny or look like a milk shake?
if it does you probably have a cracked cylinder wall.

Posted on Sep 16, 2009

  • 3567 Answers

SOURCE: Loud tick noise in crankcase.

Thanks for the background info. With all the work that has been done and the good readings I can suggest a few possibilities.

  1. A broken gear tooth, (highly likely if the "tick" is not present in all gears).
  2. Broken gear tooth on the clutch hub, (highly likely if the "tick" is present in all gears).
  3. Wrong heat range on the spark plug causing detonation.
Set the air screw and pilot screw back to factory settings > turn each inward until LIGHTLY seated. Now open each of them one and one-half turns. The stock jetting should be okay.

Posted on Nov 11, 2009

  • 185 Answers

SOURCE: i have 1200 bandit with fuel getting into oil

Check the Compression in all 4 cylinders, if the compression is low on one cylinder, squirt some oil or or WD40 down the bore and immediately recheck the compression. If the pressure goes up a fair bit you have a broken ring, if not you could have a burnt valve. If your getting fuel in the oil it definately sounds like a ring problem

Posted on Nov 13, 2009

czaa
  • 4536 Answers

SOURCE: i have a 93 dr350

now u sound like a smart mechanic so Im sure u can read a service manual-fixya hasum

Posted on Aug 05, 2010

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