{"product_id":"koso-performance-drive-pulley-kit-aerox-nmax-155-2022","title":"KOSO CVT Sport Clutch Set V3","description":"\u003cp\u003e\u003cstrong\u003eKOSO SPORT CLUTCH KIT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade your scooter's CVT with the KOSO Sport Clutch Kit – a matched set of sport clutch and lightweight clutch bell designed for quicker, smoother take-offs and more efficient power transfer from the engine to the rear wheel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eItem No.:\u003c\/strong\u003e FN073100\u003cbr\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e KOSO\u003cbr\u003e\u003cstrong\u003eModels:\u003c\/strong\u003e Yamaha CYGNUS GRYPHUS 125 \/ NMAX 155 \/ AEROX 155\u003cbr\u003e\u003cstrong\u003eSystem:\u003c\/strong\u003e CVT automatic clutch\u003cbr\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003cbr\u003e\u003cstrong\u003eClutch spring:\u003c\/strong\u003e 1,500 RPM\u003cbr\u003e\u003cstrong\u003eClutch engagement speed:\u003c\/strong\u003e Approx. 3,400 RPM\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight clutch bell:\u003c\/strong\u003e 106 g lighter than the original part for quicker throttle response\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-balanced design:\u003c\/strong\u003e Carbon-steel clutch bell with a heavy-load and light-load design for better rotational accuracy and dynamic balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced clutch:\u003c\/strong\u003e Reinforced inner steel plate reduces clutch deformation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-resistant friction material:\u003c\/strong\u003e Helps improve power transmission and reduce slipping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,500 RPM clutch spring:\u003c\/strong\u003e Optimizes clutch engagement for sporty take-offs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise-reducing clutch bell:\u003c\/strong\u003e Uses a structure with a noise-reducing ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSport clutch size:\u003c\/strong\u003e D122.7 × H38.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSport clutch weight:\u003c\/strong\u003e 231 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch spring free length:\u003c\/strong\u003e 31.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch bell material:\u003c\/strong\u003e Carbon steel (central axis)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutch bell weight:\u003c\/strong\u003e 709 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSport clutch × 1\u003c\/li\u003e\n\u003cli\u003eClutch outer (clutch bell) × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTested Performance (KOSO dyno test, Cygnus Gryphus)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePeak power: 11.1 HP with KOSO clutch kit vs. 10.9 HP with standard clutch\u003c\/li\u003e\n\u003cli\u003eStronger power at low–mid speed: 3.4 HP vs. 2.8 HP at 20 km\/h, 6.5 HP vs. 6.1 HP at 40 km\/h\u003c\/li\u003e\n\u003cli\u003eReaches top speed faster: 33.7 s vs. 34.3 s\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTest uses the same KOSO drive pulley set with only the clutch and clutch bell changed. Results may vary depending on testing environment and weather; for reference only.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClutch nut torque: 45 N·m (450 kgf·cm)\u003c\/li\u003e\n\u003cli\u003eDrive face nut torque: 76 N·m (760 kgf·cm)\u003c\/li\u003e\n\u003cli\u003eProfessional installation by a qualified mechanic is recommended. Please follow the KOSO instruction sheet included with the product.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KOSO Thailand Official","offers":[{"title":"Default Title","offer_id":67774355013999,"sku":null,"price":3300.0,"currency_code":"THB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5856\/2927\/files\/1659087603.jpg?v=1794474991","url":"https:\/\/6r2yew-kc.myshopify.com\/products\/koso-performance-drive-pulley-kit-aerox-nmax-155-2022","provider":"KOSO Thailand Official","version":"1.0","type":"link"}