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jsessions
09-07-2011, 07:41 AM
My bike just started making a loud clunking noise when I up shift, does anyone have some ideas as to what it might be? Could it be as simple as changing the oil or oil weight?

Applepooh
09-07-2011, 07:53 AM
When was the last time the oil was changed in there? Does it ride any different performance wise? Or just the louder shifting?

Iamarchangel
09-07-2011, 08:15 AM
As long as it is just a loud shift but still clean and smooth, changing the oil might quieten it down.

I suggest changing the oil with any basic 20w50 and running it for about 250 miles (or 500 km, just going for low basic number). Run the next change to about a 1000 miles. Then change about every 2500 miles.

You'll get people recommending all sorts of brands, I believe in more frequent changes.

Use your own judgment.

If it gets worse, post an update.

Hopefully, it's just another noise in a noisy engine that you've suddenly become aware of.

DSMoto
09-07-2011, 11:17 PM
My XT did the same. A simple clutch cable adjustment fixed it, too much free play at the lever. If you change the fluid, do not overfill or stiff shifting will be the result.

redbolt04
09-08-2011, 07:50 AM
+1 on a cable adjustment [up]