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Cometic +5mm Big Bore Complete Cylinder Kit - 103.5cc - 21007-K01

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

MSRP Price: $649.95

Our Price: $584.96

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$64.99 (10%)
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Overview of Cometic +5mm Big Bore Complete Cylinder Kit - 103.5cc - 21007-K01

  • Direct bolt-on, ready-to-install cylinders; require no replating and look virtually identical to the OEM
  • Nickel Silicon Carbide plated for long life
  • Honed to exact size for easy piston installation
  • Big bore cylinders do not require machine work (unless noted)
  • Big bore cylinder kits come complete with gaskets, cylinder, piston, rings, pin and clips


  • NOTE: Must modify cylinder head

    Included Items:
    (1) Cylinder
    (1) Piston
    (2) Circlips
    (1) Piston pin
    (1) Ring
    (1) Gasket set

Specs for Cometic +5mm Big Bore Complete Cylinder Kit - 103.5cc - 21007-K01

Type Cylinder Kit
Type - Top End Kits Top End Kit w/Cylinder
Units Each
Weight 3.50 lbs

Specs for Cometic +5mm Big Bore Complete Cylinder Kit - 103.5cc - 21007-K01

Type Cylinder Kit
Type - Top End Kits Top End Kit w/Cylinder
Units Each
Weight 3.50 lbs

Fitment for Cometic +5mm Big Bore Complete Cylinder Kit - 103.5cc - 21007-K01

See if this part fits your ride

Part 141484 fits the following machines

Yamaha
  • 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
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Instructions and Manuals for Cometic +5mm Big Bore Complete Cylinder Kit - 103.5cc - 21007-K01