Here is some rule of thumb specs
intake should be between .003" to .005"
exhaust should be between .006" to .008"
When it's set right, it should feel like pushing a butter knife through butter right out of the fridge, also be aware that sometimes the lock nut can either tighten the clearance or loosen it.. This is a job to really take your time on
SOURCE: type of oil for a klx 125 dirtbike
The gearbox gets 10w40 motor oil.
Please rate this answer. Thanks afiala93!
SOURCE: I have a 2005 klx 125 it starts and runs fine THEN BOGS OUT AT
when riding try pulling choke u p and see what happens
SOURCE: how do i adjust the valves on a 05 klx 125
I'm not 100% sure on this particular bike, but most late model hi-perf japanese bikes have shim adjustment. You can tell if you take the tappet cover off & the cams run straight ontop of the valves, If it's shims, you need to turn the motor until the cam lobes (pointy parts) face as opposite to the valves as possible (usually upwards) so the valve is completely shut, then use feeler gauges to me asure the gap between the valve tip & the cam. The valve springs can be compressed slightly (carefully) to let the shim on top (or underneath) the bucket be removed & replaced with the right thickness to give factory specs. Sometimes one shim from one valve can be used to make another valve correct, leaving less shims to buy. If not shims, should have a simple screw & locknut adjuster, same setup, just measure between valve & rocker, adjust to factory specs (or slightly smaller for more go)
SOURCE: what are the valve setting specs for a 2002 klx
Inlet .003 - .005 inches
Exhaust .005 - .007 inches
SOURCE: 2003 KLX 125: how fast do 2003 kawasaki 125 KLX go...
Should do around 55mph at wot in 5th gear with an averge sized person on the bike.
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