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Valve adjustment

  • Thread starter Thread starter Mercaholic
  • Start date Start date
M

Mercaholic

Guest
Not sure why I went ahead to adjust the valves on my '83 GS1100ES.

It was starting and running great but have no history on the maintenance so did the valve adjustment. Most were off but only by a bit.

Now the bike starts and runs fine but emits clicking from the valve cover. Reduces as the bike warms but still audible.

What gives?
 
Before you adjusted the valves, the clearances were too tight, resulting in the valves not fully closing. Now that the clearance is correct, they close all the way and make a little "tink" or click when they hit the seat.
 
eil said:
Before you adjusted the valves, the clearances were too tight, resulting in the valves not fully closing. Now that the clearance is correct, they close all the way and make a little "tink" or click when they hit the seat.
Click to expand...

Noise isn't the valve slamming into the seat. It's from lash in the rocker/cam/valve interface as the cam is coming up the ramp.

Valves were likely seating properly before the adjustment, based on the clearance only being slightly off. It's when the clearance is all gone when the valves hang open and burn.
 
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