Cylinder Top End Piston Kit For Yamaha TTR125 2000-2005 Ring Set Rebuild 2003 04

Cylinder Top End Piston Kit for Yamaha

This cylinder top end piston kit rebuilds the upper end of a Yamaha TTR125 from 2000 through 2005, supplying the cylinder, piston, and ring set needed to restore compression on a worn or seized motor.

Overview

The cylinder top end piston kit is a rebuild set for Yamaha TTR125 models built between 2000 and 2005, combining the cylinder, piston, and ring set into one package. This top end piston kit revives an engine that has lost compression or burned oil, giving the rider a fresh top end without sourcing parts separately. The cylinder top end piston kit suits anyone performing a scheduled rebuild or recovering a machine from a top end failure.

Built For Performance

• Cylinder machined to stock bore dimensions for a stock style fit
• Piston matched to the cylinder for proper clearance
• Ring set included to seal combustion pressure
• Components bundled so the rebuild proceeds without missing parts
• Replaces a worn, scored, or seized top end

Fits These Machines

• for Yamaha TTR125 2000
• for Yamaha TTR125 2001
• for Yamaha TTR125 2002
• for Yamaha TTR125 2003
• for Yamaha TTR125 2004
• for Yamaha TTR125 2005

On-The-Job Use

• Rebuilding a TTR125 after low compression or oil burning
• Refreshing the top end during routine engine service
• Restoring a machine that sat unused for a long period
• Trail and play riding where reliable power matters

Specs At A Glance

Good To Know

Q: Do I need to hone or measure anything before install? A: Check piston to cylinder clearance and ring end gap against the service manual. Measure carefully so the new top end seals correctly.

Q: Is this a complete rebuild or just the upper end? A: This kit covers the cylinder, piston, and ring set only. Inspect the bottom end and valve train separately before reassembly.

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