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Yamaha YZF R1/FZ1/RX1 Piston Kit

Part Number 222098 (132899224)
$1,137.99 $1,196.99 SAVE 4%
Out of stock
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Description

As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for sport bike and other motorcycle engines. Engineered, forged and machined 100 percent in the USA, JE Pistons are designed for each specific engine and riding application to provide the ultimate combination of durability and performance. From the road course to the drag strip everything in between, JE Pistons' performance is proven with every handful of throttle and wave of the checkered flag. Equip your bike with the best in forged pistons.

JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE Pistons 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.

MADE IN USA

Fitment

This part fits the following vehicles.

  • 2004-2006 Yamaha YZF-R1

Features & benefits

  • Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
  • Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
  • Designed specifically for each engine and use application to provide optimized performance durability
  • Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
  • Made 100% in the USA
  • Accumulator Groove: A specialty groove between the top and second ring provides added volume for blow-by gases. This helps reduce pressure between the rings, improving top ring seal and minimizing ring flutter at high cylinder pressures.
  • Pin Fit: The pin bore is precision honed to attain an exact pin clearance. Clearances typically range from .0003 to .0010 between the wrist pin and pin bore.
  • Race-inspired two-ring design promotes quick revving and throttle response for noticeable power
  • Designed specifically for Yamaha R1 Engines to provide optimized performance durability

Specifications

2nd Groove Width 0.0397
3D Undercrown Milling No
Accumulator Groove Yes
Add-On XG7900
Anodize Top Ring Groove No
Bore Diameter 79.00
Combo 2 No
Compression Height 0.892
Compression Ratio 0.54513888888889
Compression Ratio Actual 13.50:1
Contact Reduction No
Country Of Origin USA
Cylinder Head 5V 1000
Double Pin Oilers No
DVGP No
Econo Undercrown Milling No
EN Plating No
Engine YAMAHA
Engine Stroke 2.110
Engine Type ICE
Exhaust Angle 11
Exhaust Depth .142
Exhaust Diameter 1.100
Forging Type FSR
Gas Distribution No
Industry Powersports
Intake Angle 15
Intake Depth .152
Intake Diameter 1.000
Lateral Gas Ports No
Mill Undercrown No
Oil Groove Width 0.07950
Oil Ring Thickness 0.0795
Pin Fit Yes
Piston Average Weight 191
Piston Head Type Dome
Piston Material 2618
Piston Series JE Pistons
Piston To Wall Clearance -0.001999
Piston Volume 12.70
Product Market Street
Product Type Engine Piston Kit
Ring Set - Recommended XG7900
Ring Set Included Yes
Ring Set Part Number XG7900
Second Compression Ring Thickness 0.0397
Skirt Coat No
Smooth Crown Finish No
Thermal Crown No
Top Compression Ring Thickness 0.0397
Top Groove Width 0.03970
Tuff Skirt No
Ultra Dome No
Ultra Groove No
Ultra Groove Plus Gas Port No
Vertical Gas Ports No
Wrist Pin Length 1.650
Wrist Pin Outer Diameter 0.669
Wrist Pin Wall Thickness 0.140

Warranty

30 Months

Magnuson-Moss Warranty Act

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).

California residents

WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

Carb Status

California carb status to be completed

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