{"product_id":"stm-fya-s160","title":"STM Slipper Clutch Yamaha YZF-R3 (2014-2018) FYA-S160","description":"\u003cp\u003eDesigned for riders who demand smooth, confident control on both road and track, the STM slipper clutch for the Yamaha YZF-R3 (2014-2018) transforms the way the bike behaves under hard braking and aggressive downshifts. Part number FYA-S160, it slots in as a direct replacement and immediately rewards you with a more composed, predictable ride every time you tip into a corner.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents engine over-rev on downshifts, keeping the rear wheel planted and the bike settled through braking zones\u003c\/li\u003e\n\u003cli\u003eReduces rear-wheel hop significantly, translating to better traction and improved stability mid-corner\u003c\/li\u003e\n\u003cli\u003eLowers the trigger impulse for a highside, adding a meaningful safety margin at speed\u003c\/li\u003e\n\u003cli\u003eAllows controlled rear-wheel slides, giving sport and track riders greater confidence when carrying corner speed\u003c\/li\u003e\n\u003cli\u003ePatented ball-ramp mechanism governs the slipper function with precision at high engine speeds, ensuring consistent, repeatable performance\u003c\/li\u003e\n\u003cli\u003eDiaphragm spring design eliminates pressure-plate chatter, delivering a smoother, more progressive lever release feel that reduces hand fatigue on long rides\u003c\/li\u003e\n\u003cli\u003eWeight saving of approximately 0.7-0.8 kg through reduced rotating mass, directly improving throttle response and overall YZF-R3 performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eEngineering Behind the STM Slipper Clutch\u003c\/h2\u003e\u003cp\u003eSTM's proprietary ball-ramp technology is the heart of this assembly. Under normal drive conditions the ramps lock up and transmit full torque, just as a standard clutch would. The moment back-torque exceeds the pre-set threshold during downshifts, the ramps separate the pressure plate fractionally, allowing the engine to decelerate independently of the rear wheel. The result is a rear end that stays calm and steerable rather than snapping sideways.\u003c\/p\u003e\u003cp\u003eThe diaphragm spring replaces the conventional coil-spring stack found in the OEM unit. Beyond the weight saving this change brings a noticeably lighter lever pull that is consistent across the full travel — a real benefit during back-to-back track sessions or spirited road riding where repeated clutch inputs would otherwise leave the left hand fatigued.\u003c\/p\u003e\u003ch2\u003eClutch Engagement and Corner Confidence\u003c\/h2\u003e\u003cp\u003eOne area where the STM unit stands out is its control of the clutch closing phase in corners. By managing how quickly drive is reintroduced, it reduces the tendency for the front end to tuck — a phenomenon known on the circuit as tipping-in understeer triggered by abrupt engagement. This makes the YZF-R3 feel more composed and predictable when you roll the throttle back on mid-bend, whether you are threading through a technical road section or pushing on a track day.\u003c\/p\u003e\u003ch2\u003eFitment and Compatibility\u003c\/h2\u003e\u003cp\u003eThis slipper clutch is engineered as a direct-fit replacement for the following model:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eYamaha YZF-R3 — model years 2014, 2015, 2016, 2017 and 2018\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eNo modifications to the engine cases or clutch cover are required. Always verify your specific model year and variant before fitting.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSTM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003eFYA-S160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eSlipper clutch (anti-hopping clutch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eYamaha YZF-R3 (2014-2018)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlipper mechanism\u003c\/td\u003e\n\u003ctd\u003ePatented ball-ramp system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring type\u003c\/td\u003e\n\u003ctd\u003eDiaphragm spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight saving\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.7-0.8 kg vs OEM (reduced rotating mass)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"STM","offers":[{"title":"Default Title","offer_id":53168706617610,"sku":"FYA-S160","price":1028.05,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/FDU-S050_d9b7cf5d-8798-4833-a89b-75cd75f3421f.png?v=1780811771","url":"https:\/\/inter-pace.com\/products\/stm-fya-s160","provider":"Inter-Pace","version":"1.0","type":"link"}