Dennis Kirk Inc.
Search Within
Ride Search
Top 3 Product Matches

Cylinder Works Big Bore Cylinder Kit - 21007-K01

  • Part #:
    141484
  • Manufacturer Part #:
    21007-K01

MSRP Price: $649.95

Our Price: $584.96

You Save $64.99 (10%)
loading...
Overview of Cylinder Works Big Bore Cylinder Kit - 21007-K01

+5mm Big Bore Kit

  • 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.

SPECIAL INSTRUCTIONS:
MUST MODIFY CYLINDER HEAD

Compression Ratio: 8.2:1
Bore: 52.5


REPLACEMENT PARTS:

Replacement Big Bore Cylinder: MFG No. 21007
Replacement Big Bore Piston Kit: MFG No. 21007-P01
Replacement Big Bore Piston Rings: MFG No. 21007-R01
Replacement Big Bore Gasket Kit: MFG No. 21007-G01

Specs for Cylinder Works Big Bore Cylinder Kit - 21007-K01

Bore Size 52.5 mm
Type Big Bore Kit
Units Each
Weight 3.50 lbs

Alternate/OEM Part Number(s):

09310346
Specs for Cylinder Works Big Bore Cylinder Kit - 21007-K01
Bore Size 52.5 mm
Type Big Bore Kit
Units Each
Weight 3.50 lbs
Fitment for Cylinder Works Big Bore Cylinder Kit - 21007-K01

Part 141484 fits the following machines

Make Sure This Fits Your Ride
Yamaha
  • 2019 Yamaha YZ85
  • 2018 Yamaha YZ85
  • 2017 Yamaha YZ85
  • 2016 Yamaha YZ85
  • 2015 Yamaha YZ85
  • 2014 Yamaha YZ85
  • 2013 Yamaha YZ85
  • 2012 Yamaha YZ85
  • 2011 Yamaha YZ85
  • 2010 Yamaha YZ85
  • 2009 Yamaha YZ85
  • 2008 Yamaha YZ85
  • 2007 Yamaha YZ85
  • 2006 Yamaha YZ85
  • 2005 Yamaha YZ85
  • 2004 Yamaha YZ85
  • 2003 Yamaha YZ85
  • 2002 Yamaha YZ85
There are no reviews for this item. Write Review
Start typing your question and we'll check if it was already asked and answered. Learn More
No questions have been asked about this item. Be the first!
Instructions and Manuals for Cylinder Works Big Bore Cylinder Kit - 21007-K01