Fieldset title
  • 2.5 Big Bore Kit - View More Details
  • Complete Kits Available - View More Details
  • Sponsorship Opportunities
  • Calendar of Upcoming Events - View More Details
  • Demand Your Latest Catalog - Get Your Catalog Here

2014 CRF 450R Big Bore Test

12/13/2013

....
Read More >

LTR 474 Super Duner

12/05/2013

....
Read More >

2013 RMZ 250 Big Bore Overview

11/13/2013

....
Read More >

March Rider of the Month Cash Dominguez

03/11/2013 by Jimmy Shoe

Cash Dominguez is a name you’ll want to remember. At just nine years old, this up-and-coming rider is hitting the racing scene with confidence and giv.......
Read this entry >

January Rider of the Month - Mitch Sheets

01/22/2013 by Jimmy Shoe

Thirty-one-year old Mitch Sheets has been racing since 2005, with increasingly impressive results. Mitch grabbed first in the 2012 Iowa Enduro Riders .......
Read this entry >

Rider Spotlight - Tony and Noah Adams

11/08/2012 by Jimmy Shoe

It’s been said that racing gets in your blood, and if that’s the case, all evidence suggests that Tony Adams passed the gene to his youngest son, Noah.......
Read this entry >

Tuner's Tips

thumbnail

Cylinder Installation Requirements

For 2004-2005 Kawasaki KX 250F View the Tip

thumbnail

CRF250 Big Bore Case Modification

View tips and photo of machine area View the Tip

Installation Videos

thumbnail

Piston and Cylinder Assembly Part 1

Measurement, piston and cylinder replacement and other tips
Watch the Video >

thumbnail

Piston and Cylinder Assembly Part 2

Measurement, piston and cylinder replacement and other tips
Watch the Video >

thumbnail

Cylinder Works at 2011 Dealer Expo

2011 Dealer Expo
Watch the Video >