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Athena

Athena Derbi GPR 125 65mm Bore 170cc Big Bore Cylinder Kit

$983.95 $780.30 Save $203.65

SKU: A0EF P400485100010

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In Stock
Ships by Jun 11
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Athena P400485100010 is a Big Bore 170cc Cylinder Kit with a 65mm bore for specific Yamaha 125cc models, including DT, DT-X, and TZR motorcycles. It comes with a gasket kit, cylinder, exhaust valve, cylinder heads, and a piston kit.

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

BrandAthena
Part NumberA0EF P400485100010

Videos

Yamaha DT 125 x Tuning 34 PWK

Yamaha DT 125 x Tuning 34 PWK
Unboxing of DT125R Athena 170cc big bore kit

Unboxing of DT125R Athena 170cc big bore kit
DT125R Detailed OEM Engine Rebuild SACHS ZX125, KTM LC2, DERBI GPR 125, YAMAHA TZR 125

DT125R Detailed OEM Engine Rebuild SACHS ZX125, KTM LC2, DERBI GPR 125, YAMAHA TZR 125
DT125R Supermoto the Engine Build! Part 9

DT125R Supermoto the Engine Build! Part 9

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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