57mm Bore Cylinder Piston Ring Top End Kit For Yamaha TTR125 TTR125E TT-R125 US

57mm Bore Cylinder Piston Ring Top End Kit for Yamaha

This 57mm bore cylinder piston ring top end kit fits for Yamaha TTR125, TTR125E, and TT-R125 machines, supplying the cylinder, piston, and rings needed for a top end rebuild.

Overview

This 57mm bore top end kit for Yamaha bundles a cylinder, piston, and piston rings into one rebuild package for TTR125 series engines. The 57mm bore matches the stock displacement of these machines, so the kit restores original performance rather than changing it. It suits riders and mechanics servicing a for Yamaha TTR125 engine that has lost compression or needs a fresh top end.

Built For Performance

• 57mm bore size matching the TTR125 series top end
• Includes cylinder, piston, and piston rings together
• Piston machined to work with the supplied bore
• Ring set sized for the 57mm piston
• Kit form covers the main top end wear items in one order

Fits These Machines

• for Yamaha TTR125
• for Yamaha TTR125E
• for Yamaha TT-R125

On-The-Job Use

• Top end service on TTR125 trail bikes
• Compression restoration on worn engines
• Ring and piston replacement during a rebuild
• Garage and workshop engine repair

Specs At A Glance

Good To Know

Q: What does this top end kit include? A: The kit supplies a 57mm cylinder along with a matching piston and piston rings. Confirm the bore size suits your engine before ordering.

Q: Is this kit a stock bore replacement? A: Yes, the 57mm bore corresponds to the stock TTR125 series top end. Check your model and serial number to be sure of fitment.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.