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The Naraku 729-18-28 CVT Drive Belt is a high-quality replacement drive belt designed for long-case QMB139 49cc/50cc scooter engines equipped with a 12-inch rear wheel.
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Manufactured to precise specifications of 729mm length, 18mm top width, and 28° groove angle for reliable power transmission and smooth CVT operation.
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Designed to provide consistent power transfer throughout the CVT range, supporting dependable scooter performance.
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Suitable for various Chinese 49cc and 50cc scooters equipped with the long-case QMB139 engine platform.
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Ideal as a replacement for a worn or damaged original CVT drive belt.
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Features durable construction for reliable performance and service life.
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Made in Taiwan to ensure consistent manufacturing quality.
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Compatible with various unlisted scooter makes and models using the specified engine and belt dimensions.
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Verify the existing belt size, engine type, and rear wheel configuration before ordering.
Brand: Mototec
Naraku 729-18-28 CVT Drive Belt
$429.00
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Hurry, Only 1 left.
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Naraku CVT drive belt for long-case QMB139 49cc/50cc scooter engines.
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Belt Size: 729-18-28 (729mm x 18mm x 28°).
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Designed for scooters with 12-inch rear wheels.
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Provides reliable power transmission and consistent CVT performance.
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Suitable for various Chinese scooter makes and models.
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Ideal replacement for a worn or damaged stock drive belt.
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Made in Taiwan.
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Check belt dimensions and vehicle compatibility before ordering.
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Delivery & Return
Estimated Delivery: 12-26 days (International), 3-6 days (United States)
Return within 45 days of purchase. Duties & taxes are non-refundable.
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| Brands | Mototec |
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