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Wiseco Piston Standard Yamaha YZ125 2007 765M05400

Part Number: 765M05400
WISECO
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SKU:
765M05400
MPN:
765M05400
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.50 LBS
On Sale
MSRP: $184.95
Now: $157.00
Was: $184.95
— You save $27.95

Ships from Manufacture | Call to Order (231) 767-5055

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Description

A worn or damaged piston directly compromises combustion efficiency, throttle response, and engine longevity—especially on a high-revving two-stroke like the YZ125. The Wiseco 765M05400 restores factory performance with tighter tolerances and premium materials, giving you the reliability needed for consistent lap times and dependable off-road riding. Whether you're rebuilding after a seized engine or upgrading for increased durability, this piston is engineered to deliver.

  • Aerospace-grade aluminum alloy
  • CNC-machined precision tolerances
  • Optimized combustion chamber design
  • Reduced skirt friction coating
  • Increased torque output
  • Yamaha YZ125 (1997–2004) specific fitment
  • MPN: 765M05400
  • Bolt-on installation
  • OEM-equivalent performance
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Specs

RIDING STYLE:
OFF-ROAD
STROKE LENGTH:
54,50 MM
PISTON MATERIAL:
ALUMINUM ALLOY
PISTON MATERIAL:
FORGED
STROKE LENGTH METRIC:
54.50 MM
BORE - OVERSIZE:
STANDARD
BORE - OVERSIZE METRIC:
STANDARD
DISPLACEMENT:
125 CC
ENGINE TYPE:
2-STROKE
PRODUCT NAME:
PISTON
UNITS:
EACH
BORE SIZE METRIC:
54.00 MM
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Fitment

Fitment for Wiseco Piston Standard Yamaha YZ125 2007 765M05400

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