Trkimal 50mm Cylinder Kits for GY6 49CC 50CC 139QMB Engine, Upgrade GY6 100cc Big Bore Rebuilt Cylinder Kits 4 Stroke Motor for Moped Scooter ATV Go Kart.
Trkimal 50mm Cylinder Kits for GY6 49CC 50CC 139QMB Engine, Upgrade GY6 100cc Big Bore Rebuilt Cylinder Kits 4 Stroke Motor for Moped Scooter ATV Go Kart.
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TRKIMAL

Trkimal 50mm Cylinder Kits for GY6 49CC 50CC 139QMB Engine, Upgrade GY6 100cc Big Bore Rebuilt Cylinder Kits 4 Stroke Motor for Moped Scooter ATV Go Kart.

4.1 stars out of 11 reviews
(4.1)|
11 ratings

Key item features

  • Engine Upgrade: This Trkimal cylinder kit facilitates an engine upgrade from 50cc to 100cc, providing increased power for improved hill-climbing performance.
  • Precise Dimensions: The kit features a 50mm inner cylinder bore diameter, a 13mm outer piston pin diameter, and a 50mm outer piston diameter.
  • Comprehensive Components: Included are a cylinder, piston, piston ring, piston pin, piston pin clips, valve oil seals, various gaskets (cylinder head, body, tensioner, exhaust), intake and exhaust studs, and exhaust nuts.
  • Broad Compatibility: Designed for GY6 49CC 50CC 139QMB engines, this kit is compatible with most Chinese-made scooters, gokarts, and ATVs from brands like JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, and TAOTAO.
  • Installation Ease: The kit is designed for straightforward installation, allowing for a direct upgrade of the engine.
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Current price is $22.97
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Sold by taizhou city chuangtong trade co.,ltdPro Seller
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4.064285714285714 stars out of 5, based on 140 seller reviews(4.1)
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4.1 out of 5 stars
stars11 ratings2 reviews
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  1. 5 stars73% (8)
  2. 4 stars0% (0)
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  4. 2 stars18% (2)
  5. 1 star9% (1)

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Showing 1-2 of 2 reviews

Sep 4, 2025
Biily
Sold bytaizhou city chuangtong trade co.,ltdDelivered byWalmart
5 out of 5 stars review

Verified Purchase

50cc to 100cc bore kit

it is an excellent value! the bore kit install is the most important upgrade of all, if looking to gain any horsepower.50cc to 100cc.

Helpful?321VTSK3861Y306640792
Jan 13, 2024
grace
Sold bytaizhou city chuangtong trade co.,ltd
5 out of 5 stars review

Verified Purchase

fantastic deal !

if i need snother one. id buy it again

Helpful?321VTSK3861Y306640792