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Wiseco Racer Elite Connecting Rod Kit – YZ250F ’14-18

SKU: WPR2414

Wiseco Racer Elite Connecting Rod Kit, YZ250F ’14-18

Engineered, tested and proven for high-level racing applications, Wiseco’s Racer Elite line delivers factory-level performance through industry-leading innovation and experience. With unmatched piston design for two-stroke and four-stroke applications and race team-developed connecting rods, Racer Elite from Wiseco sets a new powersports performance standard.

  • One-piece design fully machined from proprietary, USA-made forgings
  • Designed and manufactured in the USA using F1 engineering design experience achieving optimal strength-to-weight characteristics
  • CNC machining tolerances held up to millionths of an inch on critical dimensions
  • Heat-treated for industry leading strength and service life
  • Improved surface finishes reduce friction and improve durability
  • Dedicated quality process involves Zeiss CMM inspection and individualized critical dimension reporting and serialization
  • Rod kits include high-quality, Japanese big end bearing, crank pin and thrust washers (when applicable)

GTIN: 00193564178817

Product Series

Racer Elite Connecting Rods

Years

2024
2023
2022
2021
2020
2019
Show All

Makes

Yamaha

Models

WR250F
YZ250F
YZ250FX
Instructions: Enter a value in the un-shaded boxes below as they pertain to your engine.
Note: For pistons BELOW the block @ TDC – value in box must be a POSITIVE number (.000)
Note: For pistons ABOVE the block @ TDC – value in box must be a NEGATIVE number (-.000)
Note: For a DISH piston – value in box must be a POSITIVE number (0.0)
Note: For a DOME piston – value in box must be a NEGATIVE number (-0.0)
Note: Manipulate the DOME/DISH & PISTON to DECK volumes to get the ratio you want.
Enter the number of cylinders of your engine
Bore
Finished bore of your engine
Stroke
Stroke of your engines crankshaft
Rod Length
Ctr. to Ctr. length of your connecting rods
Gasket Bore
Head Gasket bore diameter
Comp. Gasket
Compressed Head Gasket thickness
Block Deck Height
Center of main bearing bore to top of block
Top Ring Down
Top of 1st ring to top of pistons(FLAT)
Chamber Volume
Cylinder Head chamber volume in CC’s
Dome/Dish Volume
DOME (-) or DISH (+) vol. (theoretical) in CC’s
Piston to Deck
Top of BLOCK to top of piston (FLAT) @ TDC
Click “Calculate” for dimension results.
Total Volume
 
Cylinder Volume
Total cylinder volume in CC’s =
Clearance Volume
All effective vol. above block deck @ TDC in CC’s =
Gasket Volume
Volume of your head gasket in CC’s =
Top Ring Volume
Total volume above the top ring @ TDC in CC’s =
Deck Volume
Volume of area above the pistons @ TDC in CC’s =
Piston Top Land
Piston top land diameter for volume calculations =
1/2 Stroke
1/2 stroke of your engine’s crankshaft in inches =
Compression Ht.
Ctr. of piston pin to top of piston (FLAT) in inches =
Cubic Inches
Cubic inch displacement of your engine =
For the given dimensions, your compression ratio