{"product_id":"honda-navi-125cc-big-bore-kit-bolt-on-cylinder-upgrade","title":"Honda Navi 125cc Big Bore Kit – Bolt-On Cylinder Upgrade","description":"\u003ch2\u003eHonda Navi 125cc Big Bore Kit – Bolt-On Performance Upgrade\u003c\/h2\u003e\u003cp\u003eThe only bolt-on big bore kit purpose-built for the Honda Navi. No cylinder boring, no case modifications — just a direct drop-in upgrade that pushes your Navi's displacement to a full 125cc for real gains in horsepower, torque, and top speed.\u003c\/p\u003e\u003cp\u003eA \u003cstrong\u003eScooterSwapShop exclusive\u003c\/strong\u003e — in stock and ships today.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e53mm Cast Iron Cylinder\u003c\/li\u003e\n\u003cli\u003e53mm Yuminashi Piston\u003c\/li\u003e\n\u003cli\u003ePiston Rings\u003c\/li\u003e\n\u003cli\u003ePiston Pin\u003c\/li\u003e\n\u003cli\u003ePiston Clips\u003c\/li\u003e\n\u003cli\u003eGaskets: Cylinder Head, Base \u0026amp; Timing Chain Tensioner\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSKU: 1130136-SSS +YUMINASHI PISTON\u003c\/li\u003e\n\u003cli\u003eDisplacement: 125cc (53mm bore)\u003c\/li\u003e\n\u003cli\u003ePiston Brand: Yuminashi\u003c\/li\u003e\n\u003cli\u003eCylinder Material: Cast Iron\u003c\/li\u003e\n\u003cli\u003eWeight: 3.0 lbs\u003c\/li\u003e\n\u003cli\u003eFitment: Honda Navi\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eRecommended Pairing\u003c\/h3\u003e\u003cp\u003eFor maximum performance gains, pair this kit with the \u003ca href=\"https:\/\/www.scooterswapshop.com\/products\/honda-navi-yuminashi-camshaft\"\u003eYuminashi Camshaft\u003c\/a\u003e and the \u003ca href=\"https:\/\/www.scooterswapshop.com\/products\/honda-navi-upgraded-carb-kit\"\u003ePolini Carb Kit\u003c\/a\u003e.\u003c\/p\u003e","brand":"ScooterSwapShop","offers":[{"title":"Default Title","offer_id":47035939651825,"sku":"1130136-SSS +YUMINASHI PISTON","price":230.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/1348\/7857\/files\/honda-navi-125cc-big-bore-kit-in-stock-3132732.jpg?v=1771933991","url":"https:\/\/howlingmoto.com\/products\/honda-navi-125cc-big-bore-kit-bolt-on-cylinder-upgrade","provider":"Howling Moto","version":"1.0","type":"link"}