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Wiseco Piston Kit Yamaha XT350 1985-2000 86mm 9:1 Compression 4674M08600

Part Number: 09102916
WISECO
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SKU:
09102916
MPN:
4674M08600
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.97 LBS
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$199.95
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Description

If you're running a Yamaha XT350 or TT350, a worn or damaged piston directly impacts combustion efficiency, throttle response, and overall reliability. The Wiseco 4674M08600 replaces your factory piston with a precision-engineered component that restores lost performance and ensures consistent power delivery across the entire RPM range. Built for both trail riding and competitive use, this kit delivers the durability and fitment accuracy that serious riders depend on.

  • Wiseco OEM-quality manufacturing
  • 86mm bore diameter
  • 9:1 compression ratio
  • Fits XT350 and TT350 (1985–2000)
  • High-strength forged construction
  • Lightweight piston design
  • Bolt-on installation
  • Standard hand tools required
  • Gasket kit sold separately
  • Competitive and recreational rated
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Specs

BORE - OVERSIZE:
STANDARD
BORE - OVERSIZE METRIC:
STANDARD
DISPLACEMENT:
346 CC
ENGINE TYPE:
4-STROKE
RIDING STYLE:
OFF-ROAD
STROKE LENGTH METRIC:
59.60 MM
BORE SIZE METRIC:
86.00 MM
PISTON MATERIAL:
ALUMINUM ALLOY
PISTON MATERIAL:
FORGED
PRODUCT NAME:
PISTON
UNITS:
EACH
COMPRESSION RATIO IMPERIAL:
9.0:1
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Fitment

Fitment for Wiseco Piston Kit Yamaha XT350 1985-2000 86mm 9:1 Compression 4674M08600

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