1981 Gs850l Rpm's To High

[CTRAMM]

I have a 1981 GS850L and when you start it it idles just fine,but then when it warms up it sarts reving at about 2 grand. I don't know what the prob could be if anyone knows or has had symptoms like this before could someone help me out. I would appreciate it very much.

[Nessism]

Very common GS issue for 8 valve engines - air leak(s) from the large O-ring(s) between the head and the rubber intake runners connecting the carbs.

[fgh]

Well can we assume you found the idle adjustment screw and used it to reduce the idle.

[bwringer]

Very common GS issue for 8 valve engines - air leak(s) from the large O-ring(s) between the head and the rubber intake runners connecting the carbs.

Agreed -- this is a textbook case of an intake leak.

Replace the intake boot o-rings (and maybe the intake boots) ASAP. Do not delay -- running lean makes your engine run VERY hot, and this is VERY harmful.

Order o-rings (and boots) from any Suzuki dealer, Bikebandit, or Flat Out:

http://bikebandit.com

http://flatoutmotorcycles.com

Here's the procedure with pictures:

http://bwringer.com/gs/intakeorings.html

Might want to do this while you're in there:

http://bwringer.com/gs/camchaintens.html

http://bwringer.com/gs/tachcableseals.html

[Red Rocket GS1100]

Hey guys Just wanted to pipe in

I read this post after doing a search. I was having a problem with the bike getting hot real fast and revving very high.
So being that I have an 82 gs1100e I dont have the head rubbers that have orings. The head has tubes of aluminium that the intake boots clamp to.
While it was fairly warm I tightened each of these intake boot clamps on both sides.
She idle's lots better now. Doesn't seem to get as hot and not nearly as fast.
I am due for the summer oil change. So with a new filter and 20w50 synthetic oil I should be in good shape.
Just wanted to say thanks for the knowledge.