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Cylinder Works Big Bore Cylinder Kit - 21010-K01
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Cylinder Works Big Bore Cylinder Kit - 21010-K01

  • Part #:
    147553
  • Manufacturer Part #:
    21010-K01

MSRP Price: $579.85

Our Price: $521.87

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Details
Overview of Cylinder Works Big Bore Cylinder Kit - 21010-K01

+3mm Big Bore Kit Makes it a 269cc

  • Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders
  • Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise
  • Nickel Silicon Carbide plated for long life
  • Kits come complete with gaskets, cylinder, piston, rings, pin and clips
  • Honed to exact size for easy piston installation
  • Big bore cylinders do not require machine work (unless noted)
  • Made in the U.S.A.

Compression Ratio: 13.5:1
Bore: 80mm

REPLACEMENT PARTS:

Replacement Big Bore Cylinder: MFG No. 21010
Replacement Big Bore Piston Kit: MFG No. 21010-P01
Replacement Big Bore Piston Rings: MFG No. 21010-R01
Replacement Big Bore Gasket Kit: Dennis Kirk No. 26-5578



Included Items:

(1) Cylinder
(1) Piston 
(1) Piston Pin
(2) Circlips
(1) Piston ring set
(1) Gasket set includes (1) base gasket, (1) engine case gasket, (1) exhaust gasket, and (1) head gasket
Instructions
 

Specs for Cylinder Works Big Bore Cylinder Kit - 21010-K01

Bore Size 80 mm
Compression Ratio 13.5:1
Type Big Bore Kit
Units Each
Weight 3.20 lbs

Alternate/OEM Part Number(s):

09310591
Specs for Cylinder Works Big Bore Cylinder Kit - 21010-K01
Bore Size 80 mm
Compression Ratio 13.5:1
Type Big Bore Kit
Units Each
Weight 3.20 lbs
Fitment for Cylinder Works Big Bore Cylinder Kit - 21010-K01
See if this part fits your ride

Part 147553 fits the following machines

Yamaha
  • 2018 Yamaha WR250F
  • 2017 Yamaha WR250F
  • 2016 Yamaha WR250F
  • 2015 Yamaha WR250F
  • 2018 Yamaha YZ250F
  • 2017 Yamaha YZ250F
  • 2016 Yamaha YZ250F
  • 2015 Yamaha YZ250F
  • 2014 Yamaha YZ250F
  • 2018 Yamaha YZ250FX
  • 2017 Yamaha YZ250FX
  • 2016 Yamaha YZ250FX
  • 2015 Yamaha YZ250FX
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Instructions and Manuals for Cylinder Works Big Bore Cylinder Kit - 21010-K01
Instruction Manual Instruction Manual PDF 1.3 MiB