{"product_id":"naraku-crankshaft-heavy-duty-16-tooth-for-qmb139-137-78","title":"Naraku Crankshaft Heavy Duty 16 Tooth for QMB139","description":"Naraku Performance Heavy Duty Crankshaft for 50cc, 4-Stroke QMB139 engines - Oil Pump Sprocket 16 Tooth. \u003cbr\u003e\u003cbr\u003eOEM-Quality Naraku Crankshaft matches Japanese and Taiwanese alternatives. Kitted with high quality, heavy duty bearings which allow for longer service life and durability, this crankshaft is far superior to low cost Chinese crankshafts.\u003cbr\u003e\u003cbr\u003eMatches the design and size of your original crank, making it a perfect choice as a standard replacement. Also, goes great with your Big Bore Kit. Pre-assembled with pressed bearings. Make sure you check that you have a 16 tooth oil pump drive gear!\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e \n\n\u003cli\u003eNK100.81\u003c\/li\u003e\n\u003cli\u003eHeavy Duty\u003c\/li\u003e\n\u003cli\u003e16 Tooth Oil Pump Drive Gear\u003c\/li\u003e\n\u003cli\u003eIncludes Bearings\u003c\/li\u003e\n\u003cli\u003eMade in Taiwan\u003c\/li\u003e\n\u003c\/ul\u003eQMB139 50cc\/49cc \u003cp\u003e \u003c\/p\u003e\u003ch3 style=\"color:#983D3C;\"\u003eThis product is not intended for use on public roads or land.\u003c\/h3\u003e","brand":"Naraku","offers":[{"title":"Default Title","offer_id":49985982660888,"sku":"137-78","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/704997.jpg?v=1744827282","url":"https:\/\/www.scooterworks.com\/products\/naraku-crankshaft-heavy-duty-16-tooth-for-qmb139-137-78","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}