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The_XL_Board > THE XL BOARD > XR's ONLY! THE ORIGINAL HONDA THUMPER DIRT BIKES Go to subcategory:
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timer
  • Rank:Diamond Member
  • Posts:537
  • From:Canada

Date Posted:06/17/2015 1:04 AMCopy HTML

Hi Guys

finished the 79 XR500 last fall. It had no really new parts except seals. Piston & rings/bore were already broke in  prior to the rebuild.  I put Amsoil full synthetic 20w50 in it. It has about an hr on it & my bike mechanic ( Yamaha dealer/racer) says get that stuff out of there as they have had to replace clutches due to the extreme slipperiness of the full synthetic.  I ran the bike tonight fro about 10 minutes. not that hard but stood on it a few times.  a couple of the times im suspicious if the clutch was slipping.  I did this in order to get the oil hot & out of the bike. the oil came out metallic & there was a bit of iron deposits on the magnetic drain plug. No big bits.  I called my mechanic  & he asked if the clutch was slipping. I said no but now it think it might have been.  He mentioned to take the clutch cover off & take a look for something rubbing against the outer clutch case. Im wondering now if I should also take apart the clutch. any comments would be welcomed

Thanks

Timer

 

woosh #1
  • Rank:Diamond Member
  • Posts:1568
  • From:Unknown

Re:xr500 oil & clutch slippage ?

Date Posted:06/18/2015 11:28 PMCopy HTML

 I have used am soil for years and never had any problems it's in all my bikes except the harley but just because it wasn't easily obtainable when I needed it. I have seen reports of wear but have not seen it first hand I also use stp oil treatment. My xl 500 has never had a problem with it.
timer #2
  • Rank:Diamond Member
  • Posts:537
  • From:Canada

Re:xr500 oil & clutch slippage ?

Date Posted:11/14/2015 10:49 PMCopy HTML

 Woops sorry

The issue was aftermarket clutch linings. Adjust the clutch linkage when cold & when the bike was hot the clutch linnings would swell so much the clutch could not be fully disengaged without slipping. Readjust when hot & when cold it would have to be done yet again. My advice was to stay away from aftermarket clutch linnings. Went to original linnings with aftermarket plates. All is good.  Did change oil  to Semi synthetic as my mechanic keeps going on about it. . Don't really see much of a difference for a old trail rider.

Timer



Go soothingly on the grease mud ... as there lies the skid demon! ...





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