{"product_id":"primaire-vertanding-doppler-15-50-mbk-booster-yamaha-bws","title":"Primary Gear Doppler 15\/50 MBK Booster \/ Yamaha BW's","description":"\u003cp data-start=\"61\" data-end=\"342\"\u003eThe Doppler primary gearing 15\/50 has been developed for Minarelli 50cc 2-stroke engine blocks and provides a longer transmission ratio than the original gearing. This allows the scooter to achieve a higher top speed and the engine runs less RPM at cruising speed.\u003c\/p\u003e\n\u003cp data-start=\"344\" data-end=\"452\"\u003eThis toothing is especially suitable for scooters with a sports exhaust, variator upgrade or 70cc cylinder kit.\u003c\/p\u003e\n\u003cp data-start=\"454\" data-end=\"465\"\u003e\u003cstrong data-start=\"454\" data-end=\"465\"\u003ePlease note:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"467\" data-end=\"627\"\u003eFor optimal performance, this toothing is recommended in combination with a sporty setup. With completely standard engines, acceleration may decrease.\u003c\/p\u003e\n\u003cp data-start=\"629\" data-end=\"647\"\u003e\u003cstrong data-start=\"629\" data-end=\"647\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"649\" data-end=\"825\"\u003eBrand: Doppler\u003cbr data-start=\"662\" data-end=\"665\"\u003eType: Primary gearing\u003cbr data-start=\"690\" data-end=\"693\"\u003eGear ratio: 15\/50\u003cbr data-start=\"721\" data-end=\"724\"\u003eApplication: Transmission\u003cbr data-start=\"747\" data-end=\"750\"\u003eSuitable for: Minarelli 50cc 2 Stroke engine blocks\u003cbr data-start=\"799\" data-end=\"802\"\u003eMaterial: Hardened steel\u003c\/p\u003e\n\u003cp data-start=\"827\" data-end=\"857\"\u003e\u003cstrong data-start=\"827\" data-end=\"857\"\u003eThis product is suitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"859\" data-end=\"1171\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eMBK Booster 50cc 2 Stroke\u003cbr data-start=\"882\" data-end=\"885\"\u003eMBK Booster One 50cc\u003cbr data-start=\"905\" data-end=\"908\"\u003eMBK Nitro 50cc 2 Stroke\u003cbr data-start=\"929\" data-end=\"932\"\u003eMBK Ovetto 50cc 2 Stroke\u003cbr data-start=\"954\" data-end=\"957\"\u003eMBK Rocket 50cc 2 Stroke\u003cbr data-start=\"979\" data-end=\"982\"\u003eMBK Stunt Naked 50cc 2 Stroke\u003cbr data-start=\"1009\" data-end=\"1012\" data-is-only-node=\"\"\u003eYamaha Aerox 50cc 2 Stroke\u003cbr data-start=\"1036\" data-end=\"1039\"\u003eYamaha BW's 50cc 2 Stroke\u003cbr data-start=\"1062\" data-end=\"1065\"\u003eYamaha BW Easy 50cc\u003cbr data-start=\"1084\" data-end=\"1087\"\u003eYamaha Neo's 50cc 2 Stroke\u003cbr data-start=\"1111\" data-end=\"1114\"\u003eYamaha Next 50cc 2 Stroke\u003cbr data-start=\"1137\" data-end=\"1140\"\u003eYamaha Slider Naked 50cc 2 Stroke\u003c\/p\u003e","brand":"Doppler","offers":[{"title":"Default Title","offer_id":57527720640894,"sku":"263894","price":65.05,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/5097\/6870\/files\/freshpartss-2026-06-09T123441.568.png?v=1781001323","url":"https:\/\/freshparts.fr\/en\/products\/primary-gear-doppler-15-50-mbk-booster-yamaha-bws","provider":"Fresh Parts","version":"1.0","type":"link"}