Get XiED(tm)! Performance Parts

Don't let the Harley heat monster ruin your riding.
Reduce  Engine Surging
Improve Throttle Response
Reduce Engine Ping


HD 2007/2008 Engines

High Heat on 2007/08 HD engines

HD 2007/08 Performance Recommendations

Cool your exhaust temperature with the Wide Band O2 upgrade for 2007/08 HD

Harley Camshaft Specification Tables

HD Twin Cam Engine Builds
TC 128 HP 95 CID
TC 100HP Street Engine

The basics of Fuel Injection explained

Rammer Performance Air Cleaners
TC Performance Heads 100+HP

Pro Tuning on a Shade Tree Budget

mnt_icon_anim.gif (2635 bytes)

Engine, Transmission and Chassis
Assembly Torque Values

Technical information on fastener torque values used in the maintenance, repair or assembly of Harley-Davidson motorcycles.


Crank Pin nut
Pinion Gear nut
Oil Pump cover bolts
Oil Pump manifold screws
Tappet Guide bolts
Rocker Cover
5/16 inch bolts
1/4 inch bolts
Upper Engine mounting bracket:
To cylinder heads
To frame
Gearcase Cover screws
Cam / Nosecone Cover screws
Timer screws (inner cover and sensor plate)
Tappet Screen Plug
Spark Plug
Transmission Side Cover bolts
Crankcase bolts
Step 1
Step 2
Intake Manifold Flange capscrew
Primary Cover screws
Compensating Sprocket nut
Transmission Sprocket nut
Transmission Sprocket locking screw
Clutch hub nut

Torque Value

180-210 foot pounds
35-45 foot pounds
90-120 inch pounds
70-80 inch pounds

9-12 foot pounds

15-18 foot pounds
10-13 foot pounds

28-35 foot pounds
28-32 foot pounds
90-120 inch pounds
90-120 inch pounds
15-30 inch pounds
90-120 inch pounds
18-22 foot pounds
10-12 foot pounds
Tighten in star pattern from bottom
10 foot pounds
15-17 foot pounds
15-17 foot pounds
9-10 foot pound
150-165 foot pounds
110-120 foot pounds
7-9 foot pounds
70-80 foot pounds

Chassis & Suspension

Front Axle nut
Rear Axle nut
Front Brake Disc screws
Rear Brake Disc screws
Allen Screws
T-45 Torx
Rear Wheel Sprocket bolts
Laced Wheel
Cast Wheel
Front Brake Caliper mounting screws
Rear Brake Caliper mounting screws
Blake Bleeder Nipples
Brake Line Banjo Fittings
Front Fender mounting bracket bolts
Pivot Shaft
Rear Master Cylinder mounting nut
Triple Tree Pinch Bolts
Fork Stem nut
Rear Shock Absorber
Upper Stud acorn nut
Bottom bolt

Torque Value

50 foot pounds
60-65 foot pounds
16-18 foot pounds

23-27 foot pounds
30-45 foot pounds

45-55 foot pounds
55-65 foot pounds
25-30 foot pounds
15-20 foot pounds
32-40 inch pounds
17-22 foot pounds
12-18 foot pounds
70 foot pounds
30-40 foot pounds
27-32 foot pounds
35-40 foot pounds

25-40 foot pounds
25-40 foot pounds

If you are unsure of the proper torque value to use, here is a general chart of fastener torque values. This table is based upon Grade 5 fasteners, generally used Harley-Davidson motorcycles.

Fastener Size - Torque ft. lbs.
#8 -
14 in. lbs.
#10 -
22 in. lbs.
1/4 " - 10 ft. lbs.
5/16" - 19 ft. lbs.
3/8" - 33 ft. lbs.
7/16" - 54 ft. lbs.
1/2" - 58 ft. lbs.
9/16" - 114
5/8" - 154


Table of Contents
Search the site 
Nightrider COPYRIGHT

Ask us a Question

Modification, Installation, Maintenance and Tuning Index  will help you find most of the information you want on one page.

How to get Professional Tuning Results at home
Testing the Innovate Motorsport LM-1 portable air fuel meter

Profession Tuning on a Shade Tree Budget

Veypor VR2 Data Logger and Instrument Panel
Video Installation and Demo
Purchase VR2

Engine Performance
How to Build a
TC96 2007 Engines
TC88 70HP Stage1  
TC95 128HP Stage 3
TC95 100HP Street
TC96 2007 Stage 1/2
EVO 64 HP Stage 1
EVO 74 HP Stage 2
EVO 82 HP Stage 3
EVO 95 HP Stage 3
883 to 1200 Upgrade
Shovelhead Modifications

New EFI for EVO and TC

Performance Gallery
Horsepower Gallery
Evolution 80
Twin Cam 88/95
Evolution Unlimited
Sportster Unlimited
Drag Strip Gallery
Land Speed Racing Gallery
CV Carburetor
Modifying the CV carb
Tuning a CV carb
Selecting a cam
Install a TC 88/95 cam
Install a Big Twin cam
Install Sportster cams

Camshaft Specifications
Twin Cam

Exhaust Systems
EVO Exhaust Testing
TC Exhaust Testing
Khrome Werks AR100 test
Making Drag Pipes Work

Shop Manual
Carburetor Troubleshooting
Finding Manifold Leaks
Cylinder Heads
Pistons and Cylinders
Belt Drive
Shop Manual Appendix
$20 Bike Lift
Plug Wires
Spark Plugs
Engine Tuning
Nitrous Oxide
Motor Oil
Stutter Box
General Information
WEB Links
Buy Books and Manuals
Performance Calculations
Estimate Horsepower
Estimate 1/4 Mile Time
Estimate Top Speed

Engine Displacement
Exhaust Length
Gear Ratios
Air Density

The Nightrider Diaries
The ramblings of a genius a, a madman and something in between.

Where is Sifton Cams?

Autocom Active-7 tested

Harley-Davidson EFI
-EFI basics explained
-EFI modifications explained

183 HP, 2 carbs, 2680cc

Copyright 1997-2006  Stephen Mullen, Oldsmar, FL -+-