Arnott SOFTAIL3 Motorcycle Air Suspension Installation Guide

About this manual

This manual provides the installation procedure for the Arnott SOFTAIL3 air suspension system designed for Harley‑Davidson Softail/FXDR motorcycles. It includes safety warnings, required tools, and a recommended digital pressure gauge (K‑3114 or K‑3115) for proper operation.

The document contains a detailed parts list, step‑by‑step removal and fitting instructions, wiring diagrams for the switch assembly, and guidance on adjusting air pressure. All work must be performed by a qualified ASE‑certified technician, and the system must not be inflated until it is fully supported by the frame and suspension components. This manual is written in Chinese.

What's inside

• Basic Information
• Parts List
• Installation Procedure
• Safety Warnings
• Switch Wiring Diagram

Specifications

Frequently asked questions

What is the maximum recommended inflation pressure for the air spring?

The maximum recommended inflation pressure is 200 psi.

Who should perform the installation of the air suspension system?

Installation must be done by a fully qualified professional with ASE certification.

Can the system be inflated before it is supported by the frame?

Do not inflate the air suspension system before it is supported by the motorcycle frame and suspension components.