-13%
Brand: Type:

STM SBK Racing Slipper Clutch Yamaha YZF-R1/R1M RN65 (2020-2026) FYA-S171

€1.292,05 €1.485,12

Taxes vary by country — see cart · Shipping calculated at checkout

Outside the EU, customs duties may apply.

Questions? Just reach out — our team will help you right away.

Delivery time on request

  • Worldwide shipping
  • Genuine parts & verified quality
  • Personal email support
  • 14-day returns — in stock ships within 24h
Shipping & Returns

We ship with DHL and FedEx — express on request. If an item is in stock, express delivery can often go out within 1 business day. Standard delivery takes about 2–5 business days domestically and usually around a week worldwide. Please check the available shipping options and delivery times in your cart, as we offer several carriers depending on the country.

Returns must be registered in advance by email and are possible in line with our cancellation policy (14-day return request + 14-day return window after approval). Please note: unregistered returns are not accepted. You'll find all details on conditions, exceptions and refunds in our cancellation policy.

Payment & Security

Payment methods

American Express Apple Pay BancontactBLIK EPS Google Pay KlarnaMaestroMastercard MobilePayPayPalShop Pay Union PayVisa

Your payment information is processed securely. We do not store credit card details and have no access to your credit card information.

For riders who demand genuine race-derived clutch technology on the road as much as on track, the STM SBK Racing Light Slipper Clutch FYA-S171 is purpose-built for the Yamaha YZF-R1 and R1M RN65 (2020–2026). Its lightweight-optimised construction delivers noticeably more direct response, smoother gear changes and real-world stability that you feel on the very first hard stop into a corner.

Key Features

  • Lightweight wet slipper clutch design reduces rotational mass for quicker, more responsive engagement
  • Controlled back-torque management minimises rear wheel hop under aggressive downshifting
  • More stable corner entry — improved confidence when late-braking and leaning hard
  • STM Racing technology maintains consistent performance under sustained thermal load
  • Engineered specifically around the CP4 inline-four of the RN65 generation
  • Equally suited to spirited road riding, trackdays and club-level competition

Everyday Usability Meets Racing Technology

The FYA-S171 sits in STM's SBK Racing Light range — a line designed to bring Superbike Championship-derived slipper clutch technology within reach of serious road and trackday riders without demanding a full race-team budget. The wet clutch architecture means it runs reliably in the standard oil bath of your R1, so there is no need for additional hardware or exotic lubricants. Installation follows OEM mounting points, keeping the upgrade accessible even outside a professional workshop.

Where many slipper clutches focus purely on outright track performance, the SBK Racing Light series is calibrated to remain predictable and manageable in mixed-use conditions. The result is a clutch that earns its keep on a Sunday morning canyon run just as readily as it does on a circuit pit-lane exit.

Performance on Road and Track

The reduced rotational inertia of the lightweight basket and plate assembly translates directly into a more agile-feeling machine — the R1 responds crisper to throttle inputs and feels noticeably lighter to flick between direction changes. Under hard braking and rapid downshifts the slipper function progressively releases excess back-torque, smoothing the transition and keeping the rear tyre planted rather than skipping. The outcome is a measurable gain in braking stability, corner-entry confidence and the ability to get on the throttle earlier and with greater precision.

Fitment & Compatibility

  • Yamaha YZF-R1 RN65 (2020–2026)
  • Yamaha YZF-R1M RN65 (2020–2026)

Specifications

  • Brand: STM
  • Part number: FYA-S171
  • Series: SBK Racing Light
  • Type: Wet slipper clutch (anti-hopping clutch)
  • Fitment: Yamaha YZF-R1 / R1M RN65, 2020–2026
  • Engine compatibility: CP4 inline-four
  • Mounting: OEM mounting points, direct replacement
More guides on Engine & Clutch →