S&S Cycle Billet Oil Pump for Big Twin Engines User Manual
Page 10
10
A. Wrap masking tape around .203" (13⁄64") drill bit .850" from point to use as depth guide. Carefully drill hole in Picture 15 .850" deep. See
Pictures 15 and 16.
Picture 15
Picture 16
NOTE - Drill size is very close to hole size and may distort hole if drill is not steadied.
Distorted hole may cause poor thread fit after hole is tapped.
B. Using 1⁄4-20 tap, carefully thread hole deeply enough for 1⁄4 -20 set screw provided in kit to bottom out with screw head .540" to .600" below
gear cover gasket surface. See Pictures 17 and 18. Remove tap periodically, clear chips, and install set screw to check depth.
CAUTION
Picture 17
Picture 18
NOTE - Do not tap hole deeply enough for set screw to block tappet screen oil feed passage. This will restrict oil supply to lifters and cylinder heads.
Restricted oil supply may cause extensive engine damage.
CAUTION
See also other documents in the category S&S Cycle For motorcycles:
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- Gear Drive Cams for Harley-Davidson Twin Cam 88 Engines (8 pages)
- Hydraulic Lifter Limited Travel Kit Fits All Harley-Davidson Evolution Engines (2 pages)
- Pushrod Kits and Travel Limiters (all) (8 pages)
- Pushrod Kit for Harley-Davidson Twin Cam 88 Engines (1 page)
- Valve Spring Kits for 1984-2004 Big Twin & 1986-2003 Four-Cam (90-2077 and 90-2078) (4 pages)
- 590 Lift Valve Spring Kits 90-2060 and 90-2063 for 1948–1984 Big Twin Engines (4 pages)
- Spring Kit 90-2053 (Fits all Panhead and Shovelhead Engines) (2 pages)
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- Hydraulic Tappet PN 33-5342 (2 pages)
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- Sidewinder Valve Spring Kits for 1984-04 Big Twin and 1986-03 Four-Cam Engines (PN 90-2069) (4 pages)
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- 2006-Up Gear Drive Cams for Harley-Davidson Twin Cam 88 Engines (12 pages)
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