{"product_id":"tk-01-05-5441","title":"S-Stage Bore Up Kit 138cc with N20 Camshaft Z125PRO","description":"Details:\u003cbr\u003e\n・This big bore kit can increase the displacement to 138cc by changing the cylinder and piston.\u003cbr\u003e\n・Enjoy powerful output performance that a normal engine does not have.\u003cbr\u003e\n・N-20 camshaft included.\u003cbr\u003e\n・The cylinder uses an all-aluminum ceramic-plated cylinder with excellent durability, airtightness, and heat dissipation.\u003cbr\u003e\n・The piston skirt of the aluminum cast piston is molybdenum-coated to improve initial馴染み (break-in).\u003cbr\u003e\n・Compression ratio: 138cc 12.3:1\u003cbr\u003e\n・Bore diameter: 138cc 59mm\u003cbr\u003e\n・Stroke: 50.6mm (normal)\u003cbr\u003e\n・A stick temperature sensor can be attached to the cylinder.\u003cbr\u003e\n・By purchasing a Takegawa Compact LCD Thermometer with a stick temperature sensor, you can measure the cylinder temperature.\u003cbr\u003e\n・Output performance is improved by an optimal profile that maximizes the performance of the normal cylinder head.\u003cbr\u003e\n・Built-in auto decompression mechanism similar to normal.\u003cbr\u003e\n・The N-20 is a high-speed camshaft. *Precautions:\u003cbr\u003e\n・When installing the S-Stage big bore kit, simultaneous installation of an FI-Con TYPE-e (injection controller) is required.\u003cbr\u003e\n・When using the FI-Con TYPE-e, a computer or smartphone compatible with the specified usage conditions is required. Also, an internet connection is required to download software and apps.\u003cbr\u003e\n・Since the displacement will be 125cc or more, it cannot be driven on public roads under light motorcycle registration. It is for competition use only. Compatible models: KAWASAKI Z125PRO\/BR125H-A02621～\u003cbr\u003e\n*Images are for illustration purposes only, and the design and specifications of the products listed are subject to change without notice. Please understand.","brand":"スペシャルパーツ武川(SPECIAL PARTS TAKEGAWA)","offers":[{"title":"Default Title","offer_id":45582568227051,"sku":"tk-01-05-5441","price":47623.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1021\/9499\/files\/tk-01-05-5441.jpg?v=1719907239","url":"https:\/\/bikeman.jp\/en\/products\/tk-01-05-5441","provider":"バイクマン","version":"1.0","type":"link"}