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S&S Cycle HVHP Oil Pump Kits for Big Twin User Manual

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6- Both the universal pump cover 31-6079 and pump cover 31-6094 have the 1992-later style mounting bolt pattern and feed and return holes.

Universal pump cover 31-6079 has additional locations for feed and return holes at top of cover. See Picture 3 below.

7- Oil pump covers are described in more detail in oil pump cover assembly section.

Bottom-mount oil supply line fitting is not recommended for Harley-Davidson® Dyna® or Road King® models with oil tank below
transmission because of possibility of cavitation or air lock occuring during oil changes.

NOTES:

Only one supply and one return hole will be used.

31-6302 and 31-6298 oil pump kits include oil pump drive shaft gear, pinion shaft oil pump drive gear and breather gear kit w/shims.

Metal filings, dirt and other foreign matter can cause extensive damage to oil pump and engine.

Compressed air and particles dislodged by compressed air are potentially harmful. Wear protective goggles when using compressed air
and always direct air stream away from yourself and others nearby.

INTRODUCTION

Read instructions completely and become thoroughly familiar with entire installation procedure before starting.

All S&S® HVHP oil pumps kits are available for 1984-'91 and 1992-'99 engines.

Failure to perform all required steps may result in engine damage.

A- Disassembly and crankcase identification. All years.

1- Remove old oil pump, loosen pushrods, remove cam cover, cam and pinion shaft hardware from gearcase.

CAUTION

CAUTION

CAUTION

WARNING

Picture 3

OIL HOLE IDENTIFICATION

1. Top oil return hole

4. Lower oil supply hole

2. Top oil supply hole

5. Lower oil return hole

3. (N/A to these parts)

6. Middle oil supply hole