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82 GS450T won't hold an even rev

  • Thread starter Thread starter bwanna
  • Start date Start date
B

bwanna

Guest
Hi,

1982 GS450T:

When I hold the throttle to rev at about 5k rpm, the engine revs up and down between about 4k and 5k.

Full story: Engine was running ok, but had the tradition high idle when hot. I just got the bike and wanted to look through the carbs (BS34 CV) and verify the float levels. W/O the gasket these measured 25mm, so I adjusted them t0 22 mm per the specs. This caused excessive up/down rev'g and limited it to about 4k rpm. So, I returned them to 25mm assumiing that was the proper fit for this bike. Now it does it less, but still as described.

Ideas anyone?
 
Air leak

Please check the Newbie Mistakes thread linked in my signature.

Your bike needs maintenance.
 
Nessism said:
Air leak

Please check the Newbie Mistakes thread linked in my signature.

Your bike needs maintenance.
Click to expand...

Just back from a camping trip with the family and "needed" a good laugh.

Thanks for setting me up, ED ! ! :D :p
 
Welcome! And +1 to the maintenance comments above...

Pay a visit to the GS Owners forum and go through the sticky for new members, you won't regret it.

Also, if the manual is a Clymer, it's setting for the floats is incorrect and it's actually 26.6mm from memory +/- 1mm.
 
+1 on the float bowels.. I just set these on mine and 22 is wrong.. I set mine to 26.5 and all is well with the world. Also the high rev was the intake boot orings on my bike..
 
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