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Engine Mechanical TopicsDiscussion for motor builds, cams, head work, stripped bolts and other engine related issues. The good and the bad. If it goes round and around or up and down, post it here.
The pinion runout spec for warranty purposes in 2006 is .003" but that was changed to .012" in a later year, IIRC, it was the '07 model year when the MoCo outsourced the crank supply. I agree that checking runout on the primary side on the compensator is not an accurate read out but at .0028" from the compensator, I would not be losing any sleep. Additionally, the new pinion runout spec of .012" is ridiculous and a CYA move by the MoCo.
Yep, 0.012 seems to be awfully much. What will happen to the oil pump with that much runout? I feel sorry for all those Harley riders who got scissored cranks and ruined engines.
My manual is a pdf-file which I downloaded from the net. There it says 0.003 pinion side.
which is bootleg. I wonder if they updated it over the years.
To my knowledge. harley pdfs are bootleg. I like paper, but the prices have sure gotten crazy. When I bought one in 2007 it was around $70. Now I think $150 or so.
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