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ATHENA Cylinder Kit - YZ450F - 98mm P400485100016

Part Number: 09310022
ATHENA
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SKU:
09310022
UPC:
8055681300941
MPN:
P400485100016
Condition:
New
Availability:
Ships Same Business Day
Weight:
4.51 LBS
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MSRP: $820.95
Now: $739.00
Was: $820.95
— You save $81.95

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Description

The ATHENA Cylinder Kit for YZ450F delivers measurable displacement gains and thermal efficiency improvements that translate directly to higher horsepower and reliability in competition or trail conditions. The 98mm bore represents a significant step up from stock, paired with engineering that prioritizes durability under sustained high-RPM loads. If you're serious about extracting every bit of performance from your Yamaha, this kit eliminates guesswork with a complete, bolt-on solution.

Technical Specifications:

  • 98mm bore diameter
  • Aluminum cylinder construction
  • Nickel-carbide coating
  • Enlarged water jackets
  • Forged piston included
  • Molybdenum-coated piston
  • Complete gasket kit
  • Bolt-on installation
  • No machining required
  • YZ450F fitment
  • MPN: P400485100016
  • Manufacturer: ATHENA
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Specs

DISPLACEMENT:
478 CC
ENGINE TYPE:
4-STROKE
MATERIAL:
ALUMINUM
BORE SIZE METRIC:
98.00 MM
CYLINDER BORE COATING:
NICKEL-CARBIDE
RIDING STYLE:
ATV
PRODUCT NAME:
CYLINDER KIT
STYLE:
BIG BORE
UNITS:
KIT
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Fitment

Fitment for ATHENA Cylinder Kit - YZ450F - 98mm P400485100016

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Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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