2008 Harley-Davidson Dyna Models Service Manual

The essential repair guide for all 2008 Harley-Davidson Dyna FXD, FXDC, FXDL, FXDWG, FXDB, FXDF configurations. Publication 99481-08.

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Document Details

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Document Number / Seller:
29972 / Jerry Smith
File Size:
35.33 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Motorcycle
Last updated / verified
Feb 14, 2025

Models Covered & Key Technical Specifications

Harley-Davidson Dyna FXD, FXDC, FXDL, FXDWG, FXDB, FXDF (2008) (99481-08) - Comprehensive Dyna Model Maintenance & Repair Guide Knowledge-Base | Analytical Archive. | Established Engine Type: 4-stroke, air-cooled V-twin. | Reference Fluid Capacity: 3.0 qt. (2.8 L) Engine Oil. | Essential System Fill: 32 oz. (0.95 L) Primary Chaincase. | Baseline Capacity: 5.1 gal. (19.3 L) Fuel Tank. | Integral Clearance: Idle Speed is 1000 RPM +/- 50. | Specific Torque: Drain plug torque is 14-21 ft-lbs.

Professional Workshop Service Manual & Technical Specifications

Verified Diagnostic Workshop Manual: Harley-Davidson Dyna FXD, FXDC, FXDL, FXDWG, FXDB, FXDF 2008 - Comprehensive Dyna Model Maintenance & Repair Guide Knowledge-Base

Technical-Domain: Essential Overhauls | System-Coverage: Complete Engine & Chassis | Technical-Domain: Diagnostics & Procedures

Assessment-Parameter Value Calibration-Spec
Engine Type 4-stroke, air-cooled V-twin Standard
Piston Displacement 96 cu. in. (1584 cc) Maximum Performance
Engine Oil Capacity 3.0 qt. (2.8 L) Optimal Lubrication
Primary Chaincase Capacity 32 oz. (0.95 L) Efficient Power Transfer
Fuel Tank Capacity 5.1 gal. (19.3 L) Extended Range Operation
Idle Speed 1000 RPM +/- 50 Stable Engine Operation

Maintenance hierarchies are structured into specific, actionable procedures. This manual documents all systems and procedures required for proper maintenance and repair, including an in-depth overview of component specifications and diagnostic routines. It serves as a complete reference for all aspects of the Dyna model's mechanics.

Engine Mechanics Overview

This manual details the engine's internal components, including disassembly and assembly of the top and bottom ends. It covers procedures for the breather assembly, rocker arms, push rods, lifters, cylinders, pistons, and the crankcase.

Chassis Systems Coverage

The chassis sections provide comprehensive instructions for the front and rear wheels, tires, brakes, steering head bearings, and suspension. Procedures for wheel alignment, brake pad replacement, and caliper service are thoroughly documented.

Electrical System Diagnostics

Guidance is provided for troubleshooting and repairing the motorcycle's electrical system, including ignition, charging, lighting, and starter systems. Detailed wiring diagrams and component testing procedures are included.

This manual documents torque specifications for critical fasteners to ensure proper assembly and fastener fatigue prevention.

  • Engine Type: 4-stroke, air-cooled V-twin
  • Piston Displacement: 96 cu. in. (1584 cc)
  • Engine Oil Capacity: 3.0 qt. (2.8 L)
  • Primary Chaincase Capacity: 32 oz. (0.95 L)
  • Fuel Tank Capacity: 5.1 gal. (19.3 L)
  • Idle Speed: 1000 RPM +/- 50

FAQ

What is the **required** fluid capacity for the transmission? keyboard_arrow_down

32 oz. (0.95 L) of Genuine Harley-Davidson Formula+ Transmission and Primary Chaincase Lubricant is the specified capacity for the transmission.

Calculate the **specified** torque for the front brake caliper mounting bolts. keyboard_arrow_down

28-38 ft-lbs (38.0-51.5 Nm) is the specified torque range for the front brake caliper mounting bolts.

What values **essential** for rear brake pad inspection? keyboard_arrow_down

0.04 in. (1.02 mm) is the minimum brake pad thickness that requires replacement. Always replace both pads in a caliper as a set.

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Reviews (5)

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New
This manual has everything you need to maintain your Dyna. The download process was smooth, and the support team responded quickly to my questions!
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New
This manual covers all the basics and more. Very easy to follow, and the email support was fantastic when I needed clarification.
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I love how detailed this manual is! The electrical troubleshooting section saved me a lot of time. Plus, the download link arrived in my email right away!
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Rated 4 out of 5 stars
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New
The diagrams are clear and helpful. I had a quick question about the brake system, and the support was super responsive!