Thread: Drz400 Thread
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Old 10-08-2012, 07:31 AM   #16450
See-Three's Avatar
Joined: Sep 2011
Location: New Hampshire Seacoast
Oddometer: 144
Would soot build up around the exhaust valves be a sign of the valves starting to excessively wear? I adjusted the valves 15K + miles ago. I set the exhaust valves as close to 30 as possible but they are now reading 25 and 23...the bikes got around 30k miles

I'll adjust the valves now and check them after a few rides, Just wondering if the soot build up is common?

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