View Single Post
Old 04-30-2017, 11:10 PM
3Phase's Avatar
3Phase 3Phase is offline
XS-XJ Super Guru
Join Date: May 2008
Location: Simi Valley, CA
Posts: 5,465
Pfft. Six thousandths?

I just checked one of the old '79 cast 2nd rings and it's slightly thinner than the uncoated steel Top ring with a 1.172 mm thickness.

There's about 0.33 mm or slightly over 0.013" side clearance in the 2nd groove of a 2H7 and a 3H5 piston.

-- Scott

1982 XJ1100J: "Baby" SS Brakes, '850 FD, ACCT
1980 XS1100G: "Columbo" SS Brakes, '850 FD, ACCT
1979 XS1100SF: "Bush" W.I.P.
2018 Heritage Softail Classic 117 FLHCS SE: "Nanuk"
Reply With Quote