The Ohlins YA023 STX 46 Adventure rear shock is built for Yamaha WR155 riders who want controlled, consistent suspension behaviour in off-road and enduro conditions. Designed as a purpose-fit replacement unit, it focuses on improving chassis stability and rider comfort when terrain and loads change. External adjustment makes it practical to fine-tune for different trails and riding styles.

Ohlins | Made to race, perfected to ride

Ohlins suspension is developed with a focus on predictable damping control, durability, and repeatable tuning. This Adventure application targets real-world off-road use where compliance and support both matter. The result is a rear shock that helps the bike stay composed through variable surfaces.

Who this shock is for

Suited to WR155 owners riding enduro-style terrain who need better rear-end control than a basic OEM setup typically provides. It also suits riders who regularly change pace, surface, or load and want a shock that can be tuned without disassembly. If you ride long off-road days and prioritise stability and comfort, this unit fits the brief.

Shock design & features

This is an STX 46 Adventure rear shock with a separated oil/gas design to help maintain damping consistency over extended, rough riding. The architecture is intended to manage heat and keep performance stable when the shock is working hard. Built as a complete unit for the listed fitment, it’s designed for off-road durability and serviceability.

Tuning controls

Adjustment is provided for rebound damping, plus a compression damping adjuster for tailoring support and impact control. A hydraulic spring preload adjuster is also included, making it easier to set ride height and balance when conditions or loading change. These controls allow practical tuning for traction, comfort, and stability.

Before you install

Confirm you are fitting the Enduro version as noted for this model application. Set sag and baseline adjusters after installation, then fine-tune one change at a time to match your tyres, terrain, and riding pace. If you change luggage or carry a passenger, revisit preload and damping to keep the bike balanced.