Maintenance & Technical > KX500 Original
Hard shifting
John:
Did the bike work OK before you changed the oil?
//John
zagnut55:
Hi guys and thanks a lot for all the input. Well, I went with the easiest, cheapest thing to try...change the oil to a 20w/50. In answer to the last post, yes, the bike ran great before I changed the oil and put in Red Line 10w/40. Today I changed the oil again and squeezed the clutch to make sure it was all out. I put in some super maxum4 20w/50 oil and ran it up and down the back yard(1acre). Can you believe it shifted great?!?! No trouble with down shifting to 1st or anything. The real test will come this weekend when I take it up north to rainbow canyon and put some real heat on it!...I'll keep everyone informed. P.S. I also lubed my clutch cable down low and it stopped making the click pop sound. Of course, I did this after I dropped the oil but had not refilled it yet. Paul.
Polar-Bus:
I have no clue how changing oils rid your bike of the trans woes?????? Bottom line your bike is all good again (and for CHEAP MONEY)!! :-D
hughes:
--- Quote from: hughes on July 13, 2006, 12:43:22 AM ---Does the clutch give any problems while riding? Could be a bent shift fork or worn but I don't think an 04 should have worn shift forks. Mine seem to have the same issue with using 10/40 motor oil in the gear box. I switched to Bel-Ray gear saver and then went full ATF Type F and have not had any issue between 2nd to 1st gears. Welcome to the site.
--- End quote ---
Mine had the same issue when I got it but just thought it was old and tried. Starting using ATF and issue went away. The ATF did make my shifting butter smooth where with motor oil it was rough. Hope your issue is gone for good. :-D
KXcam22:
I have found that different oil's can have a radical effect on how some bikes shift. My last street bike was very notchy and rough. A change to Amsoil 20w50 synthetic was the cure making it butter smooth. On my K5, I run either Belray Gearsaver or regular 20w50. I recently noticed that with the gearsaver I kept missing quick downshifts to first. Next ride I'm going to test it against 20w50 and next ride try Hughes recommended ATF (i'm scared) to see how the 3 compare. Cam.
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