1979 Harley-Davidson XLH/XLCH-1000 Service Manual

1979 Harley-Davidson XLH/XLCH-1000 Service Manual Reference

• Official OEM publication Part No. 99484-79 covering the late 1979 engine and chassis build configuration
• Factory data for 1979 XLH-1000 and XLCH-1000 Sportster models equipped with the 997.5 cc V-twin engine
• Features 56 exploded-view diagrams and 35 technical specification tables
• Available as an instant download immediately after checkout
• High-resolution formatting ensures page spreads stay fully legible when printed for the workbench

Workshop Utility and Teardown Specifications

This factory publication provides the exact specifications needed for maintaining and overhauling the 1979 Sportster platform. Rather than generic overviews, it delivers the precise engineering values necessary for daily workshop operations. You will find in-depth component inspections for the cylinder heads, pistons, and gearcase, alongside complete teardown references for the drive assembly, wheels, and braking systems. The electrical section includes highly detailed wiring diagrams mapping the generator, ignition, and starter motor circuits to streamline troubleshooting. The transmission documentation thoroughly details clutch adjustment, kick starter operations, and the 4-speed gear ratios.

Critical Engineering Values

Accurate assembly demands reliable factory numbers. This manual outlines critical alignment values, documenting the intake valve clearance at 0.11–0.20 mm and a crankshaft peak torque of 52 lb-ft at 3800 rpm. It also covers baseline fluid and weight capacities, verifying the total fuel tank capacity for the XLH 1000 at 2.25 U.S. gallons. Please be aware that working on heavy vintage motorcycles requires strict adherence to shop safety protocols; always secure the bike on a stable lift and disconnect the battery before inspecting internal drivetrain or electrical components.