650r-ticking noise

8 replies to this topic
  • smrich

Posted November 10, 2006 - 04:51 PM


I have a 2000 650r Motarded. After a hard top speed run the top end started ticking bad the next day. First I replaced the cam chain tensioner, still ticking so I checked valves, adj. an still ticking! Ticking is in the top end. Should I be looking at the decompression? Would this be more like a bent valve or cracked spring? Bike still has all the power of before an doesn't smoke, but tail of muffler has a little black soot around it. Thanks guys!

  • BRPXL600R

Posted November 10, 2006 - 05:15 PM


How are the cam bearings? Do a compression check to eliminate bent valves.

  • smrich

Posted November 10, 2006 - 05:30 PM


Going to get tool. thanks

  • BRPXL600R

Posted November 10, 2006 - 06:09 PM


Your quite welcome!

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  • frankstr

Posted November 10, 2006 - 11:58 PM


Welcome to Thumpertalk, smrich......

If it still runs good, no valves are bent and I dought you have a cracked spring...
From what you said, the valve lash is right..so it must be chain or ...:cheers: ...

:p :bonk:


Posted November 11, 2006 - 02:32 AM


Low oil level? -> worn rockers/cam :cheers: Worn rockers make some ticking noise.

Look also for brass in the oilfilter/screen....

  • smrich

Posted November 11, 2006 - 09:14 AM


Intake rocker arm really worn! Exhaust ok. Have to check spec on all parts, but if the intake rocker arm is worn am I looking at valve bent or springs cracked or shot, or camshaft out of spec? Maybe just the rocker arm is bad?

  • BRPXL600R

Posted November 11, 2006 - 12:27 PM


Well at least you found the tick! Congrats!


Posted November 11, 2006 - 04:00 PM


Check your oil level often ,especialy with high speed/Sm riding .Look out for your big end !

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