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Taida Cylinder 52mm 88cc Big Bore Kit w/Cast Piston (139QMB)

Taida Cylinder 52mm 88cc Big Bore Kit w/Cast Piston (139QMB)

Description: High-Quality Taida Cast-Iron Cylinder 52mm 88cc with Cast Aluminum Piston for 139QMB engines. The cylinder bore is 52mm. Taida 52mm Cylinder Big Bore Kit is suitable for all air-cooled 4 stroke 50cc engines, and most Chinese imported vehicles 50cc (scooters, quads, and buggies).

It’s also recommended to get a 52mm big valve head (Part# NK100.13) in order to take full advantage of the bigger piston valve notch. However, you can use the original stock cylinder head without any problem.

When used in conjunction with a stock stroke of 41.4mm the engine displacement comes out to 88cc! When used with a 44mm stroker crank, engine displacement = 93.4cc!

NOTE: Please, measure with a caliper 139QMB crankcase bore (opening) for 52mm cylinder outer diameter sleeve 54.45mm need a minimum 54.5mm bore clearance or boring and machining are required. If, engine case must be bored, order an engine bore tool (Part# 1400-1001).


Includes the following Cylinder, Piston + Rings, Gaskets (chain tensioner gasket, compression base gasket, steelhead gasket), Wrist pin, Circlips, and Taida Sticker.

•    1x Cast-Alumin Piston: 51.48mm
•    5x Piston Rings: 52mm
•    1x Wrist Pin w/G-clips: 38x13x9mm 
•    1x Cast-Iron Cylinder: 52mm
•    Outer Sleeve Diameter: 54.45mm
•    Cylinder Height (w/o sleeve): 53mm
•    Overall Height (w/sleeve): 70.3mm
•    Made in Taiwan
•    Fit 64mm Rocker Arm 2V Assembly
•    Fit 50mm Stud Spacing /Diagonal 70.5mm
•    Fit Cylinder Head 50mm to 52mm 2V
•    Fit Dowel Pin Set (8x14mm)
•    Fit QMB 49/50cc+

Supported Models: GY6 139QMB 49cc-50cc 4-Stroke engines, Filly 50, Kymco 50, QLink 50, SYM 50, TaoTao 50

Item Weight & Package Dimensions:
•    1.437 Pounds | 4.463" (L) x 4.156" (W) x 2.767" (H)

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Taida Cylinder 52mm 88cc Big Bore Kit w/Cast Piston (139QMB)
  • Stock: 15
  • Reward Points: 3
  • Part #: GY650-01052
Sold: 2
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Price in reward points: 98