50cc Carburetor tuning for Keihin CVK on a QMB139 Chinese scooter engine
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YouTubeLab Coat Paul
50cc Carburetor tuning for Keihin CVK on a QMB139 Chinese scooter engine
Main jet kit: http://www.partsforscooters.com/114-49-QMB139-Main-Jet-Kit?sc=34&category=133078 Air filter: https://amzn.to/2ref3uw Carburetor: https://amzn.to/2JL7li2 0:00 intro 0:57 Main jet 3:37 Elevation 7:26 Pilot jet 10:00 Idle 11:47 Needle 13:11 Accelerator pump 13:36 Temperature 14:21 Summary This is a complete tutorial showing you how ...
446.3K viewsMar 26, 2018
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