{"product_id":"125cc-4-stroke-engine-kit-crf50-xr50-z50-pit-bikes","title":"125cc 4-Stroke Engine Kit for CRF50 XR50 Z50 Pit Bikes","description":"\u003cp\u003eComplete 125cc 4-stroke engine kit with a 4-speed manual gearbox for mini bikes and pit bikes.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSingle-cylinder OHC air-cooled engine, 123.7cc\u003c\/li\u003e\n\u003cli\u003e8.72 hp at 7,500 rpm\u003c\/li\u003e\n\u003cli\u003eKick start with CDI ignition\u003c\/li\u003e\n\u003cli\u003eWet manual clutch with 4-speed gearbox\u003c\/li\u003e\n\u003cli\u003eCarburetor, intake manifold and levers included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: 4-stroke single cylinder, OHC, air cooled\u003c\/li\u003e\n\u003cli\u003eDisplacement: 123.7cc\u003c\/li\u003e\n\u003cli\u003eBore x stroke: 54 x 54 mm\u003c\/li\u003e\n\u003cli\u003eCompression ratio: 9.47:1\u003c\/li\u003e\n\u003cli\u003eMax power: 8.72 hp at 7,500 rpm\u003c\/li\u003e\n\u003cli\u003eMax torque: 8.0 N·m at 5,500 rpm\u003c\/li\u003e\n\u003cli\u003eIdle: 1,500 rpm\u003c\/li\u003e\n\u003cli\u003eStart: kick\u003c\/li\u003e\n\u003cli\u003eIgnition: CDI\u003c\/li\u003e\n\u003cli\u003eSpark plug: A7TC or C6HSA, gap 0.6-0.8 mm\u003c\/li\u003e\n\u003cli\u003eLubrication: pressure \/ splash\u003c\/li\u003e\n\u003cli\u003eOil capacity: 0.9 L (15W-40)\u003c\/li\u003e\n\u003cli\u003eClutch: manual, wet\u003c\/li\u003e\n\u003cli\u003eGears: 4-speed, ratios 2.833 \/ 1.706 \/ 1.238 \/ 0.958\u003c\/li\u003e\n\u003cli\u003eVoltage: 12 V, permanent magnet magneto\u003c\/li\u003e\n\u003cli\u003eSprocket: 428, 15T, 17 mm\u003c\/li\u003e\n\u003cli\u003eSize: 18.25 x 11 x 11 in\u003c\/li\u003e\n\u003cli\u003eWeight: 44.25 lb (engine only)\u003c\/li\u003e\n\u003cli\u003eFitment: CRF50, CRF70, XR50, XR70, Z50, Z50R, CT70 Mini Trail, XL70, ST70, QA50, QR50, CL70, SL70, 70 Passport, ST90, CS90, SL90, ZB50 (check fitment before ordering)\u003c\/li\u003e\n\u003cli\u003ePackage contents: 1 engine, 1 kick starter lever, 1 gear shift lever, 1 carburetor, 1 intake manifold, 2 intake gaskets\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Installation requires mechanical skill. Check local rules before road or water use.\u003c\/p\u003e","brand":"Mmalto Tools","offers":[{"title":"Silver","offer_id":55043736404334,"sku":"1005012677894290-United States-Silver","price":385.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1016\/3237\/7198\/files\/S9fe98f6408e94fb3b1d76b43d36bf3aaf.webp?v=1789657806","url":"https:\/\/www.mmalto-tools.com\/products\/125cc-4-stroke-engine-kit-crf50-xr50-z50-pit-bikes","provider":"Mmalto Tools","version":"1.0","type":"link"}