My 98 501 post new valve seats at < 100hrs has basically never needed adjustment since, OTTOMH now about 400 hrs and my 07 650 at about 130 hrs still hasn't needed an adjustment. I check them every 30-40 hrs by the 1/6 turn method, noting the start and finish position of the screw. I prefer this to feelers.
Worry more about them getting loose, because then its a roller follower on the way out.
Steve
Worry more about them getting loose, because then its a roller follower on the way out.
Steve
The newer machines don't need the adjusting like the older ones. Even my with my 2001, I needed to check them at least every 20 hrs.
However, with my 04 550, excluding the adjustment at 3 hours, needed adjusting only about every 40 hours or so. It really depends on how hard you rev the bike, and how much grit gets past your air cleaner, and through the carb vent tubes. With the biggest offender being the fine grit that comes through the carb vent tubes.
How many hours do you have on your bike?
However, with my 04 550, excluding the adjustment at 3 hours, needed adjusting only about every 40 hours or so. It really depends on how hard you rev the bike, and how much grit gets past your air cleaner, and through the carb vent tubes. With the biggest offender being the fine grit that comes through the carb vent tubes.
How many hours do you have on your bike?
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