Let's take a close look at what makes up the Naraku 52.4mm Big Bore Kit for 49cc Chinese scooters with QMB139 engines, also commonly known to as GY6 50.
This is the LARGEST kit that you can buy for Chinese 50cc 4 stroke scooters, and will bring your displacement to 89.3cc's. Naraku is a very high quality Taiwanese performance brand and one of the top choices for anyone looking to get more from their scooter.
To learn more about this kit:
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To see a full selection of Big Big Bore Kits:
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And as always, if you have any questions feel free to ask. Give us a call at: 866-478-8700 or use the website chat at www.partsforscooters.com
