Installation Instructions for Honda Lower Air Deflector 08R73-MKC-A01

Quick guide from the manual

This document provides the necessary steps to install the Lower Air Deflector (P/N 08R73-MKC-A01) on Honda GL1800 series motorcycles. Before beginning, ensure the engine, exhaust system, and radiator have cooled down to prevent burns.

Tools and supplies required

• Hex wrench (5 mm)
• Electric drill
• Drill bits (3 mm and 9.5 mm)
• Torque wrench

Parts list

Before starting the installation, verify that all components are present:

• Right air deflector B
• Left air deflector B
• 5 mm screws (6)
• Well nuts (6)
• Washers, White (6)
• Washers, Black (6)
• Cushions (6)

Installation procedure

1. Remove the left deflector panel: Carefully remove the panel as shown in the diagram.
2. Drill 3 mm holes: Drill at the marked points on the left deflector panel. Ensure you remove any burrs from the edge of the hole after drilling.
3. Drill 9.5 mm holes: Drill at the marked lines on the left deflector panel. Drill holes at the center of the marked lines and remove any burrs.
4. Install cushions: Attach the cushions to the inner side of the left deflector panel.
5. Reinstall panel: Install the left deflector panel in the reverse order of removal.
6. Install well nuts: Insert the well nuts into the designated positions.
7. Install air deflector B: Secure the left air deflector B using the provided screws and washers. Repeat the entire process for the right side of the motorcycle.

Torque specifications

Tighten all screws, bolts, and nuts to their specified torque values. For the 5 mm screws included in this kit, the torque value is 0.4 N·m (0.04 kgf·m, 0.3 lbf·ft). Refer to the motorcycle's Service Manual for torque values of any removed parts.