Yamaha YZF R125 WR125 TE125 Big Bore Cylinder Piston Kit – 150cc Upgrade (Genuine)

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Description

Looking to give your Yamaha 125 a serious bump in power?
This genuine big bore cylinder and piston kit takes your YZF R125, WR125, or TE125 from 125cc up to 150cc.
It's a direct upgrade that gives you more grunt without losing reliability.
The kit is made from steel and comes in a standard diameter with a silver finish, matching factory quality.

Yamaha YZF R125 WR125 TE125 4stroke Big Bore Cylinder Piston

The manufacturer part number isn't listed, but it's a genuine Yamaha piece that fits models from 2015 through 2019 (and likely others).

Yamaha YZF R125 WR125 TE125 4stroke Big Bore Cylinder Piston Kit 150cc Genuine | UK

Placement is the engine block, so it's a major internal upgrade.

Yamaha YZF R125 WR125 TE125 4stroke Big Bore Cylinder Piston Kit 150cc

It's not a universal fit—specifically for these Yamaha 4-stroke singles—and it's made in Indonesia to Yamaha's specs.

Yamaha YZF R125 WR125 TE125 4stroke Big Bore Cylinder Piston Kit 150cc Genuine

Performance part?

Yamaha WR 125 R/X YZF 125 R 4-stroke 125 to 170ccm cylinder Big Bore , 315,95

No, it's more of a durability/reliability upgrade that happens to add displacement.

For Yamaha 150CC Big Bore Cylinder Piston Kit TTR125 TTR125E TT-R125L

Comes with a 1-month seller warranty, which is about standard for rebuild parts.

Genuine Yamaha R125 WR125 TE125 YZF 4stroke Big Bore Cylinder Piston Kit 150cc | UK

If you're rebuilding a top end or just want more torque for trail riding or street hooliganism, this kit is the ticket.
Just make sure you've got the right tools and some mechanical skill before diving in.

Motorcycle 150CC Big Bore Cylinder Piston Kit For Yamaha TTR125 TTR125E

Great way to breathe new life into your Yamaha 125.

Big Bore 150cc Cylinder Piston Kit Fits Yamaha YZF R125 FZ125 WR125