Automotive

100cc Big Bore Kit GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore Upgrade Set Cylinder Only

Name: 100cc Big Bore Kit GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore Upgrade Set Cylinder Only
SKU: B07N8CCR2R
Rating: 4.4 (131 reviews)

Automotive4.4· 131 Amazon ratings

Bias-adjusted across 131 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Automotive.

63.6%

Percentile · Global

67.5%

Percentile · Cohort

Automotive

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100cc Big Bore Kit GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore Upgrade Set Cylinder Only

How the score was built

Amazon ratings: 131
Raw star average: 4.4 / 5
Bayesian avg: 4.35

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Same category · Automotive

100cc Big Bore Kit GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore Upgrade Set Cylinder Only

How the score was built

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