Harley-Davidson Sportster XL and XR Models 2010 Factory Service Manual (P/N 99484-10A)

• Covers all 2010 Harley-Davidson Sportster XL and XR models, including the XL 883N and XR 1200X.
• Official OEM factory reference (P/N 99484-10A, printed December 2009).
• Features over 70 component-specific torque tables, detailed wiring diagrams, and rapid troubleshooting charts.
• Includes specific data for the international XR1200X build, detailing its unique front fork and cooling systems.
• Highlights Electronic Control Module (ECM) data, TSM/TSSM/HFSM security programming, TMAP sensors, Idle Air Control (IAC) diagnostics, and Vehicle Speed Sensor (VSS) testing.
• Details complete bottom end overhauls, straight and angle flange wheel lacing, steering head bearing adjustments, evaporative emissions (EVAP) routing, Big Piston Fork (BPF) rebuilds, and compensating sprocket teardowns.

What's Inside the Manual

This 887-page PDF reference provides reliable shop-floor access to factory repair data, streamlining your daily routines and helping you avoid expensive dealership visits. It breaks down maintenance and diagnostics across 16 chapters and five technical appendices. You will find progressive walkthroughs covering scheduled maintenance, chassis tuning, engine removal, and complete bottom-end teardowns. It also dives deep into fuel systems, electrical diagnostics, and transmission assemblies. To reduce outsourced labor, the guide outlines step-by-step instructions for tasks that usually require a master technician, such as overhauling the front forks, splitting the crankcase, and truing laced wheels. For specialized builds, dedicated sections cover the XR series air cleaner, engine mounts, and stabilizer links alongside standard oil and brake service specs. Along with the standard wiring diagrams, the manual includes exploded assembly views, engine oil flow schematics, EVAP hose routing drawings, diagnostic flow charts, and connector pinout views to ensure accurate reassembly. Before starting any teardown or service work, always review the designated safety protocols and relieve system pressures to maintain a safe working environment.

Critical Specs and Expert Shop Data

Get immediate access to factory tolerances and adjustment values. Having accurate OEM specifications directly at your workbench prevents stripped aluminum threads and ensures perfect component alignment. For instance, primary chain free play is set at 1/4–3/8 inch with a hot engine, while the front brake disc lateral runout limit is 0.008 inches (0.2 mm). The guide lists the fuel pump module mounting screw torque strictly at 40–45 in-lbs. It also emphasizes using factory workshop documentation for accurate service-interval tracking and component identification.

A thorough review of the technical content reveals specific nuances that prevent costly mistakes. When reassembling the gearcase on these V-Twin powertrains, a common pitfall is confusing the 'V' marks on the rear intake cam gear with the actual timing dots. As the manual notes, these 'V' marks are not used for timing and will cause improper indexing if aligned incorrectly. Other quick-reference specs include a spark plug gap of 0.038–0.043 inches, brake pad replacement thresholds at 0.04 inches (1.02 mm), and a 32-fluid-ounce transmission oil capacity. This complete factory guide delivers the exact engine, chassis, and electronic diagnostic data you need to service the 10A-series model year efficiently.