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Flat tappet engine on my 2007?
- Thread starter hjsbmw
- Start date
Your Hexhead has valves that adjust with a screw-thread adjuster built into the valve gear. That is, the correct clearances are set using open-end metric wrenches to loosen and tighten the locknuts, feeler gauges to measure, and your fingers to turn the adjuster. See: http://forums.bmwmoa.org/showthread.php?35445-HEXHEAD-Tech-R1200X-Valve-Adjustment-All-Years
Later Camhead models (on the R, from 2010) require the use of a shim (BMW-speak: "semi-sphere") available in graduated sizes to obtain the correct clearance. See: http://forums.bmwmoa.org/showthread.php?42731-CAMHEAD-Tech-2010-DOHC-Boxer-Valve-Adjustment-Procedure
Later Camhead models (on the R, from 2010) require the use of a shim (BMW-speak: "semi-sphere") available in graduated sizes to obtain the correct clearance. See: http://forums.bmwmoa.org/showthread.php?42731-CAMHEAD-Tech-2010-DOHC-Boxer-Valve-Adjustment-Procedure
pglaves
#13338
And, yes, your bike has what would be considered "flat" tappets. The cam follower has a flat face which slides on the camshaft lobe, contrasted to a roller follower which rolls along the face of the cam.
And, guessing at the root of the question, thus the emphasis on sufficient anti-wear, anti scuffing additive in oils for BMW motorcycles.
And, guessing at the root of the question, thus the emphasis on sufficient anti-wear, anti scuffing additive in oils for BMW motorcycles.
hjsbmw
New member
Thanks, and yes, the root of the question is the information mentioned in the recent oil article in the ON Magazine that stressed ZDDP content for the flat tappet design.
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