Kevlar 669x18.2x30 CVT Belt - 50cc Short Case Scooter

Kevlar CVT Belt for Short-Case 50cc Scooters

This 669x18.2x30 Kevlar drive belt is made for 50cc scooters with a short-case engine and a 10-inch rear wheel. It is built to handle heat and load well, so it suits the transmission on these machines. When the original belt starts to wear out, this one can be swapped in at home. Manufactured in Japan, it uses high-tensile Kevlar cords and an EPDM rubber compound for longer life.

Build and Materials

The belt is made from Kevlar-reinforced EPDM. EPDM handles heat well and tolerates occasional contact with oil. The Kevlar cords help keep the belt from stretching, and stretching is a common cause of early failure. The belt has a 30° groove angle, which sets it up to seat properly in the variator assembly.

Fitting Notes

Before fitting a new CVT belt, inspect the variator rollers for wear. You can confirm a short-case engine by measuring the rear wheel, which should be 10 inches. If the old belt shows cracks or a glazed, shiny surface, replace it to keep the scooter running properly.

Specifications

• Material: Kevlar-reinforced EPDM
• Size: 669mm L x 18.2mm W x 30° groove angle
• OEM Part Number: 669-18.2-30-8.5K
• Position: Drive Belt
• Fits: Short-case 50cc 4-stroke scooters with a 10-inch rear wheel (Honda, Wolf/Bintelli, Hyosung, Schwinn)

Compatible Models

Fits:

• Honda Aero 50 (1984-86)
• Honda Elite SB50 (1990)
• Honda Gyro (1984-86)
• Honda Spree 50 (1984-86)
• Wolf / Bintelli Islander, RX-50, Lucky, Jet, Breeze, Sprint 50
• Hyosung Prima, Rally 50, SB50M, Sense, SF50B, Supercap (2005-2012)
• Schwinn Hope 50, Laguna 50, Newport 50, Sport 50, Valo 50
• Twist N' Go Venice, Venice LX, LS49, SS49, Milano 50 (2004-2007)
• Chinese GY6 / QMB139 TaoTao Pony, Baja SC50, Panterra Freedom/Fusion/Retro, SunL Elite, Roketa

How to choose: Confirm the rear wheel is 10 inches, which indicates a short-case engine. This belt measures 669 x 18.2 mm and has a 30 degree groove angle.

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