Naraku Piston Rings 39mm Set (139QMB)
Description: Naraku Piston Rings 39mm Set for 139QMB 49/50cc 4-stroke engine scooters.
NOTE: Please check your current Piston ring thickness to be sure it's the correct thickness before ordering.
Specifications:
Includes the following Piston Ring set.
• 5x 39mm Piston Rings
• Thick: / / mm
• Made in Taiwan
• Fit Intake Studs: M6 / Nuts: M6 / Socket: 10mm
• Fit Exhaust Studs: M6 / Nuts: M6 / Socket: 10mm
• Fit Rocker Arm Assembly: 64mm or 69mm / Feeler Gauge: .004in / .005in / Socket: 9mm
• Fit Cylinder Studs: 168mm 176mm / Nuts: M7 / Washers: M7 / Side Bolts: M6 / Socket: 8mm-10mm
• Fit 50mm Stud Spacing /Diagonal 70.5mm
• Fit Crankshaft 41.4mm to 44mm
• Fit Dowel Pin Set (8x14mm)
• Fit QMB 49/50cc+
• Fit Cylinder Piston 39mm
• Fit Cylinder Head 39mm
• Fit QMB 49/50cc+
• Optional: cut plastic fan shroud for best fitment
Supported Models: 139QMB 49cc-50cc engines, Baja SC50, Boreem (BMS) 50, Filly 50, Kymco 50, Panterra 50, Qingqi 50, QLink 50, Roketa 50, SUNL 50, SYM 50, Tank 50, TaoTao 50, and virtually any other scooter engine with these measurements.
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Item Weight & Product Dimensions:
• 0.018 pounds | 2.401" (OD) x 2.204" (ID) x 0.157" (H)