Harley-Davidson Dyna FXDWG, FXDL, FXD, FXDX, FXDXT 2001 Service Manual (P/N 99481-01A)
Harley-Davidson Models Covered & Key Technical Specifications
Models: Harley-Davidson Dyna FXDWG Dyna Wide Glide, FXDL Dyna Low Rider, FXD Dyna Super Glide, FXDX Dyna Super Glide Sport, FXDXT Dyna Super Glide T-Sport
Model Years: 2001
Technical Data:
- Engine oil capacity (wet): 2.5 quarts (2.4 liters)
- Engine oil capacity (dry): 3.0 quarts (2.7 liters)
- Engine idle speed: 950–1050 RPM
- Brake fluid type: D.O.T. 5 Silicone Brake Fluid
- Primary chaincase lubricant level: Bottom edge of diaphragm spring with vehicle upright
- Transmission lubricant capacity: 20–24 oz. (591.5–709.8 ml)
- Minimum brake pad thickness: 0.04 in. (1.02 mm)
- Maximum brake disc lateral runout: 0.008 in. (0.2 mm)
- Spark plug gap: 0.038–0.043 in. (0.97–1.09 mm)
Harley-Davidson Manual Features & Content Preview
- Covers the 2001 Harley-Davidson Dyna family, including FXDWG, FXDL, FXD, FXDX, and FXDXT variants equipped with the Twin Cam 88 engine.
- Official Harley-Davidson publication P/N 99481-01A.
- Features over 150 illustrated sub-assembly diagrams and 9 detailed torque specification tables to support exact component alignment during a repair.
- Comprehensive 670-page volume serving as the authorized factory reference for the 2001 lineup, detailing specific component clearances and maintenance intervals beyond standard owner literature.
Documented Maintenance and Chassis Systems
This factory reference provides exhaustive technical data for servicing the entire 2001 Dyna range. The documentation spans 8 distinct sections. It covers core tasks like engine oil and filter service, primary chaincase maintenance, and transmission lubricant levels for the Twin Cam 88. Detailed chapters break down the chassis setup. You will find specifics on steering head bearing adjustment via the fall-away method, front fork oil replacement, and rear shock absorber spring preload settings. The text further outlines the teardown and inspection of the front and rear brake systems. This includes factory values for caliper and master cylinder rebuilds, wheel lacing specifications, and maximum tire runout limits.
Technical Preview and Specification Data
This manual outlines critical identification and setup values essential for professional shop work. The spark plug gap is specified at 0.038–0.043 in. within the engine data section. Transmission lubricant capacity is firmly documented at 20–24 oz. Furthermore, the rear shock absorber spring preload settings are listed alongside factory-recommended cam steps to accommodate varying load conditions. It provides the necessary system diagnostic thresholds and precise chassis setup procedures required for a reliable repair. Working on heavy machinery requires strict adherence to safety protocols; always consult a certified technician or ensure you possess the proper training and tools before performing any mechanical work based on this documentation.
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