{"product_id":"aracer-heavy-duty-isg-stator-power-harness-upgrade-kit","title":"aRacer Heavy-Duty ISG Stator Power Harness Upgrade Kit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003ch4\u003e\u003cb\u003eEliminate MGU Connector Overheating \u0026amp; Unlock Faster eBoost Response with Official aRacer Engineering!\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003eIs your Yamaha 125cc\/155cc liquid-cooled scooter suffering from charging system gremlins or melted stator plugs? The modern Yamaha B8R engine platform utilizes an advanced \u003cb\u003eIntegrated Starter Generator (ISG)\u003c\/b\u003e system. Unfortunately, high electrical loads and continuous ISG motor startup surges frequently overload the factory wiring between the stator and the Motor Generator Unit (MGU \/ SGCU), causing severe connector melting, voltage drops, and sudden battery drainage.\u003c\/p\u003e\n\u003cp\u003eDesigned by global tuning authority \u003cb\u003eaRacer SpeedTek\u003c\/b\u003e, the \u003cb\u003eaRacer ISG Upgraded Power Harness Kit\u003c\/b\u003e is the ultimate preventive and performance replacement solution. Re-engineered from the ground up to solve factory electrical flaws, this heavy-duty harness protects your charging system while delivering tangible performance gains.\u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eKey Performance Upgrades \u0026amp; Technical Innovations\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eProven ~25°C (45°F) Temperature Reduction:\u003c\/b\u003e Real-world thermal testing proves a dramatic \u003cb\u003e25°C drop in operating temperature\u003c\/b\u003e at the connector plug, effectively eliminating the risk of melted housings and thermal arcing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e10% More Instant Current for eBoost:\u003c\/b\u003e When eBoost or electric motor assist is activated, the harness allows a \u003cb\u003e10% increase in instantaneous current throughput\u003c\/b\u003e, noticeably sharpening motor reaction and throttle response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRedesigned High-Contact Connector Pins:\u003c\/b\u003e Features enlarged internal pin contacts that significantly increase electrical surface contact area, reducing resistance and preventing high-temp hotspots.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEV-Grade Anti-Abrasion Braided Sleeving:\u003c\/b\u003e The exterior is wrapped in electric-vehicle (EV) grade, high-tensile braided protective sleeving—delivering superior resistance against engine heat, oil, and chassis friction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh-Amperage Heavy Core Cable:\u003c\/b\u003e Built with premium low-resistance inner conductors engineered specifically for continuous high-current power transfer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUniversal ECU Compatibility:\u003c\/b\u003e 100% compatible with stock bikes, factory OEM ECUs, or full-standalone \u003cb\u003eaRacer Super X \/ RC Mini ECU\u003c\/b\u003e setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFixes Known Factory ISG\/MGU Weakness:\u003c\/b\u003e Purpose-built preventive upgrade to eliminate burnt stator plugs on Yamaha B8R 125cc\/155cc engines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTested 25°C Thermal Drop:\u003c\/b\u003e Substantially cools line temperatures under heavy riding conditions and auxiliary electrical loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBoosts Motor Assistance:\u003c\/b\u003e Delivers 10% more instant amperage during eBoost activation for crisper throttle response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRugged EV-Grade Braided Jacket:\u003c\/b\u003e Heavy-duty outer sleeving withstands extreme engine bay vibration, heat, and oil exposure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEnhanced Pin Surface Contact:\u003c\/b\u003e Re-engineered terminals maximize current conductivity and eliminate micro-arcing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDirect Fitment:\u003c\/b\u003e Designed specifically for seamless integration into the stock Yamaha B8R charging layout.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e aRacer SpeedTek (100% Authentic)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eProduct Category:\u003c\/b\u003e High-Current ISG \/ MGU Power Harness\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOuter Sleeve Material:\u003c\/b\u003e EV-Grade Flame-Retardant Anti-Abrasion Braided Jacket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eConductor Spec:\u003c\/b\u003e High-Amperage Low-Resistance Copper Cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eThermal Performance:\u003c\/b\u003e Approx. -25°C (~45°F) Connector Temp Reduction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eeBoost Current Gain:\u003c\/b\u003e +10% Instantaneous Current Throughput\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eECU Compatibility:\u003c\/b\u003e Stock ECU \u0026amp; aRacer ECU Compatible\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOrigin:\u003c\/b\u003e Made in Taiwan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment Compatibility (Yamaha B8R Engine Platform)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eYamaha Zuma 125\u003c\/b\u003e (2022–2026+ B8R Liquid-Cooled \/ US Models)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eYamaha Cygnus Gryphus 125\u003c\/b\u003e (6th Gen)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eYamaha Force 2.0 \/ Augur 155 \/ X FORCE 155\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TBSS Taiwan","offers":[{"title":"Default Title","offer_id":53093268160801,"sku":null,"price":72.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/8251\/files\/aRacer_Heavy-Duty_ISG_Stator_Power_Harness_Upgrade_Kit.jpg?v=1785308933","url":"https:\/\/taiwanbigscootershop.com\/products\/aracer-heavy-duty-isg-stator-power-harness-upgrade-kit","provider":"TBSS Taiwan","version":"1.0","type":"link"}