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CRF450R'02-08 - Athena 490cc Big Bore Kit

Purchase CRF450R'02-08 - Athena 490cc Big Bore Kit

CRF450R'02-08 - Athena 490cc Big Bore Kit

SKU: P40021010000 Brand: Athena
$931.90 Original Price $980.95
CRF450R'02-08 - Athena 490cc Big Bore Kit is available for backorder.
 

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Description

ATHENA 490cc BIG BORE KIT

* Athena cylinder kits are a bolt on high performance replacement kit specifically designed for each application
* This kit includes a aluminum cylinder with galvanic coating designed with wider water jackets, forged piston with molybdenum coating, special gasket kit

Cylinder Bore: 100mm
Stroke: 62.1mm
Displacement: 487.7cc
Compression Ratio: 11.6:1
Wheel Power: 62:8 hp@8500 RPM (estimated)

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★★★★★★★★★★
daniel | February 14th, 2007
i just purchased this kit for my 2007 crf 450r and it made a big improvement in the way the power is delivered. my bike is way more rideable and with lots more power. on the dyno it makes 57.1 hp at the rear wheel.
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Fits the items below

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  •   2002 Honda CRF450R
  •   2003 Honda CRF450R
  •   2004 Honda CRF450R
  •   2005 Honda CRF450R
  •   2006 Honda CRF450R
  •   2007 Honda CRF450R
  •   2008 Honda CRF450R