Engine Coolant Water Temperature for Keeway Cityblade 125 Fact 50 K-Light RKV RKS 125 Classic Sport Superlight 125 Wide compatibility with Keeway Cityblade 125 Fact 50 K-Light RKV RKS 125 Classic Sport Superlight 125; cooling port thread wiring pin layout Direct screw plug fitment; consistent connector thread pitch without wire or additional Real-time coolant temperature signal feedback to ; optimizes fuel supply for smooth cold startup stable idle speed temperature sensing probe; insulated plastic plug to signal deviation under long riding OEM unified mounting dimension; equipped with sealing washer to block coolant leakage during temperature operation