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Engines and Components› Engines, Blocks and Components

Vertex Pistons

Vertex Pistons 2001 YZ 125 Complete Engine Rebuild Kit

$737.95 $627.26 Save $110.69

SKU: V046 WR101-125

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

This complete engine rebuild kit from Vertex and Wrench Rabbit is built specifically for the 2001 Yamaha YZ125 2-stroke. Designed for riders who want everything in one box, this kit includes a heavy-duty Hot Rods crankshaft, standard compression Vertex piston, and all necessary bearings, gaskets, and seals. Whether you're doing routine maintenance or a full teardown, this kit restores performance, reliability, and peace of mind.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandVertex Pistons
Part NumberV046 WR101-125

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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