Yamaha TT-R125 4-Stroke AC 185cc Engine Cylinder Barrel Kit 5VL-E1310-00 5VL-E1351-10 2000-2004

Includes:
62mm cylinder, forged piston, piston rings, piston pin, clips, top end gasket kit

Fits Models:
Yamaha TT-R125, YBR125, XT125R, XT125X, XTZ125

Model Years:
2000 - 2004

Submodels:
4-stroke models

Engine Options:
185cc big bore

Description:
Complete 62mm big bore cylinder kit for Yamaha 125cc models. Upgrade from stock to 185cc displacement with forged aluminum piston and cast iron-lined cylinder for superior cooling and durability. Includes piston rings, pin, clips, and full gasket set for top-end rebuild. Anodized piston resists heat; performance gaskets ensure reliability. Ideal for low compression, worn cylinders, or piston seizure repairs. Requires carburetor tuning or upgrade for optimal performance with increased displacement.

Features:
¥ 62mm big bore cylinder expansion from 125cc to 185cc
¥ Aluminum cylinder with internal cast iron jacket for efficient cooling
¥ Anodized forged piston for heat resistance and longevity
¥ Complete top-end gasket kit included for full rebuild
¥ 15mm steel piston pin for strength
¥ Performance materials maximize durability and reliability
¥ Compatible with Yamaha TT-R125, YBR125, XT125R, XT125X, XTZ125 (2000-2004)
¥ Carburetor re-tuning or upgrade recommended