4752M05400 Wiseco Std Piston Kit for Yamaha TTR125 2000-2023 54.00mm

Piston Kit for Yamaha TTR125

This Wiseco standard bore piston kit for Yamaha TTR125 models is a 54.00mm replacement piston with an 11:1 compression ratio, cross-referenced under part number 4752M05400.

Overview

This Wiseco piston kit is built for Yamaha TTR125 models across all variants and years, using a standard 54.00mm bore and 11:1 compression ratio. The piston kit restores factory compression and top-end response during engine rebuilds or routine refresh. Riders and mechanics servicing a TTR125 will find this piston kit a direct-fit solution for standard bore top-end work.

Built For Performance

• 54.00mm standard bore size for stock cylinders
• 11:1 compression ratio for factory-spec performance
• Wiseco forged piston construction for strength and heat resistance
• Cross-referenced to part number 4752M05400
• Designed for Yamaha TTR125 four-stroke engines
• Kit format supports a complete top-end piston replacement

Fits These Machines

• for Yamaha TTR125
• for Yamaha TTR125E
• for Yamaha TTR125L
• for Yamaha TTR125LE
• for Yamaha TTR125 2000-2023

On-The-Job Use

• Top-end rebuilds on TTR125 trail and play bikes
• Restoring compression after piston or ring wear
• Standard bore refresh without cylinder machining
• Routine maintenance on 2000-2023 TTR125 engines
• Trail bike and youth bike engine repair

Specs At A Glance

Good To Know

Q: Does this piston kit require cylinder machining? A: Because it is a standard bore piston, it is intended for a stock 54.00mm cylinder, though bore wear should still be checked before installation.

Q: Will this fit all TTR125 variants? A: This kit is listed for Yamaha TTR125 all variants from 2000 to 2023, but confirming your exact model and serial number before ordering is recommended.

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