{"product_id":"crankshaft-with-22-tooth-oil-pump-driven-sprocket139qmb-qma","title":"Crankshaft With 22 Tooth Oil Pump Driven Sprocket139QMB \/ QMA","description":"Crankshaft with 22 tooth oil pump driven sprocket for 139QMB\/QMA\u003cli\u003eOriginal quality aftermarket crank for 50\/90cc 4-stroke engines (GY6 50, 139QMB\/QMA. The crank is pre-pressed with main bearings and rod\u003c\/li\u003e\u003cli\u003eGY6 engines are factory-fitted with 2 different versions of crank\u003c\/li\u003e\u003cli\u003eThe only difference is the oil pump drive cog on the right-hand side\u003c\/li\u003e\u003cli\u003eThe old version, installed in almost all vehicles, has a 16 tooth cog\u003c\/li\u003e\u003cli\u003eThe new version has 22 teeth and is used in e.g.: Rex models. For added assurance, count the number of teeth on your cog and reference the image provided\u003c\/li\u003e\u003cli\u003eThis crank has 22 teeth and can be fitted that take a 16 tooth variant, if items BT14782 + BT14783 (oil pump and oil pump drive cog) are fitted\u003c\/li\u003e","brand":"101 Octane","offers":[{"title":"Default Title","offer_id":55213520781691,"sku":"09210942","price":56.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/6881\/0972\/files\/09210942_01.jpg?v=1742813204","url":"https:\/\/motosuperstore.co.uk\/products\/crankshaft-with-22-tooth-oil-pump-driven-sprocket139qmb-qma","provider":"Moto Superstore","version":"1.0","type":"link"}