Wiseco Piston Kit 92mm 12.5:1 Compression for 1998-2000 Yamaha WR400F 1998-1999 Yamaha YZ400F 4649M09200
Part Number: 4649M09200WISECO
- SKU:
- 4649M09200
- MPN:
- 4649M09200
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
Description
When your WR400F or YZ400F is pushing peak RPMs on the track or trail, your piston needs to handle compression spikes and sustained heat without compromise. The Wiseco 4649M09200 delivers the durability and precision engineering that separates reliable performance from catastrophic failure. Built from high-silicon alloy and sized at 92mm with a 12.5:1 compression ratio, this piston kit gives you the exact specs your engine demands.
This is a complete kit—piston, rings, and circlips included—so you're ready for installation without hunting down separate components. Whether you're chasing lap times or logging trail hours, Wiseco's precision engineering ensures consistent power delivery and extended service life.
- 92mm bore diameter
- 12.5:1 compression ratio
- High-silicon alloy construction
- Includes rings and circlips
- Lightweight design
- Fits 1998-2000 WR400F, 1998-1999 YZ400F
- MPN: 4649M09200
- Complete kit, ready to install
Specs
BORE - OVERSIZE METRIC: |
STANDARD |
ENGINE TYPE: |
4-STROKE |
MODEL: |
FORGED SERIES |
PISTON DIAMETER METRIC: |
91.92 MM |
SKIRT COATING: |
NON-COATED |
BORE - OVERSIZE: |
STANDARD |
COMPRESSION RATIO IMPERIAL: |
12.5:1 |
RIDING STYLE: |
OFF-ROAD |
UNITS: |
KIT |
PISTON MATERIAL: |
FORGED 2618 ALUMINUM |
PRODUCT NAME: |
PISTON KIT |
BORE SIZE METRIC: |
92 MM |
DISPLACEMENT: |
399 CC |
STROKE LENGTH METRIC: |
60.10 MM |
Fitment
Fitment for Wiseco Piston Kit 92mm 12.5:1 Compression for 1998-2000 Yamaha WR400F 1998-1999 Yamaha YZ400F 4649M09200
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