The Ohlins YA186 STX 36 Twin rear shock is built for Yamaha Aerox/NVX 155 riders chasing more controlled suspension behaviour on the road. It is a twin-shock rear unit developed from Ohlins street and race damper architecture, focusing on consistent damping and clear feedback. This model uses a pressurised design to help maintain damping stability through repeated impacts and heat.

Ohlins | Made to race, perfected to ride

Ohlins dampers are designed around predictable response and mechanical grip, with valving aimed at keeping the tyre loaded without harshness. The result is a rear end that feels more settled during braking, mid-corner, and when driving out.

Who this shock is for

  • Riders who want better rear stability and traction on imperfect streets
  • Owners upgrading a worn or underdamped original rear suspension
  • Riders who value adjustability to suit load, pace, and surface changes

Shock design & features

This is a pressurised, oil/gas separated rear shock design intended to reduce fade and maintain consistent damping. The STX 36 Twin platform is aimed at delivering controlled high-speed response and improved chassis composure under harder riding.

Tuning controls

This shock includes rebound damping adjustment and compression damping adjustment, allowing you to tune how the rear reacts over bumps and how it settles after impacts. Spring preload adjustment is also provided to set ride height and balance for rider weight and typical load.

Before you install

  • Confirm fitment for Yamaha Aerox/NVX 155 and rear twin-shock configuration before installation
  • Set preload for correct ride height first, then refine rebound and compression for control and comfort
  • If your tyres or swingarm bushes are worn, replace them first to get meaningful tuning results

Serviceability/lifecycle

Ohlins shocks are designed to be serviced and reconditioned to maintain damping performance over time. Periodic inspection and servicing helps keep the adjusters effective and the damping consistent.

Öhlins Motorcycle Suspension Warranty

New Öhlins motorcycle shock absorbers, front forks and cartridge kits supplied by Teknik Motorsport are covered by the applicable Öhlins manufacturer’s warranty against defects in materials and workmanship.

Teknik Motorsport is an authorised Öhlins Service Centre and administers warranty claims in accordance with the Öhlins warranty conditions. The service intervals below form part of the maintenance requirements for Öhlins products supplied and supported by Teknik Motorsport.

This warranty is in addition to the consumer guarantees that apply under the Australian Consumer Law.

  • Registered motorcycles — non-competition road use Five years, subject to correct application, installation, setup and servicing every: 20,000 km or two years, whichever occurs first.
  • Registered motorcycles — adventure and light off-road use Five years, subject to correct application, spring rate, setup and servicing every: 10,000 km or annually, whichever occurs first.
  • Unregistered or competition motorcycles Two years for eligible Öhlins MX and Enduro products, subject to inspection every ten hours and servicing every: 30 operating hours or annually, whichever occurs first.

Compliance with the applicable service interval is a condition of the Öhlins manufacturer’s warranty. Evidence of servicing may be required when a warranty claim is assessed.

A seal leak, loss of damping performance or internal wear arising after the prescribed service interval has been exceeded will be treated as a service or maintenance issue rather than a manufacturing defect.

Warranty repairs

Öhlins suspension products are designed to be serviced and repaired. Where a warranty claim is approved, the normal remedy is repair of the customer’s original suspension unit using genuine Öhlins replacement parts.

Replacement of a complete shock absorber, fork or cartridge kit is not automatic and would normally occur only where the product has suffered a manufacturing failure that cannot reasonably be repaired. This is at Ohlins discretion. 

Öhlins spare parts and service kits

Öhlins spare parts, seals, bushes, service kits, springs, fluids and individual components are covered only against defects present when supplied.

No fixed age-based warranty applies to wear items, service parts or consumable components. Wear, deterioration, contamination, incorrect installation and damage caused by another component are not manufacturing defects.

Öhlins gives the customer a meaningful five-year warranty on products (Units), provided the suspension is maintained as suspension should be maintained. Teknik supports that warranty locally, can inspect the product properly, and can repair it with genuine parts rather than discarding it.

SKU YA186
Model # S36PR1C1
Brand Ohlins
Shipping Weight 5.0000kg
Shipping Size 0.300 x 0.300 x 0.500m
Type Units
See our Shipping Information See our Frequently Asked Questions
Position (Front or Rear) Rear Twin
Shock Length Eye to Eye (mm) 307.5
Spring Rate Standard 11.0 - 24.0 N/mm Progressive
Type Code S36PR1C1
Stroke Metal to Metal (mm) 79.5
Product Family STX 36 Twin
Fitted Spring 60240-21

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