Table of Contents
IH: Primary Drive & Clutch
Primary Design
Primary Chain Tensioner
 |
| 77 XLH with 86-90 Primary Chain Tensioner & Spring (40019-86) 1) |
Primary Fill / Drain Holes
Engine Sprocket
1957-1966 XLH, 1958-1969 XLCH sprocket kick only (40288-58) has the rear mounting surface below face.
1967-1976 XLH, 1970-1976 XLCH sprocket (40235-70A) has a mounting surface protruding from the face.
1977-up (all) sprocket (40235-74) has a mounting surface protruding even farther with a larger seal diameter.
None of them are marked with part#s. 2)
Comparison pics: 3)
1)
photo by northern bobber of the XLFORUM http://xlforum.net/forums/showthread.php?t=1980020&page=3
2)
mct496 of the XLFORUM http://xlforum.net/forums/showthread.php?p=4325723#post4325723
3)
photos by mct496 of the XLFORUM http://xlforum.net/forums/showthread.php?p=4325723#post4325723
