how do you ajust the valves on a 300ex?
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valves
how do you ajust the valves on a 300ex?
Rubbin's Racing
I am mechanically challenged, and I did it without a problem... Go under the EXTECH section and follow the 400EX way. It is the same exact way, but there are two diffrent covers for the valves. Just get the tools and take your time. The only hard part is taking the plastic on and off.
- #48 2004 BLUE YFZ 450 -
One Industries - AC nerfs - Ac Full Skid - AC Bumper - Pro Design Kill Switch - Shockpro shockcovers - PEP Chain relocator - Bullet Parking block off - Motion Pro Twist Throtle - Cam Mod -
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Junior Member
Just did our 300ex last weekend. Most of the time to do the job was getting the plastic on off and on.
The valve adjustment itself is easy. Unlike the 400, the clearance is the same for both intake and exhaust, .004 inches. Torque on the lock nuts for the valves is 13 ft lbs.
Registered User
is the torque for the 400ex the same 13 ft. lbs?
2005 450r
*sold* 2001 400ex
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Junior Member
According to the service manual torque value for the lock nut on the valve clearance adjustment screw on the 400 is 17 ft lbs.
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