Build by Jay Clark

Words by David Pingree

 Photos/Video by Simon Cudby

We set Race Tech free on our Honda CRF250R to build us an engine worthy of a vet race machine or a pro practice bike.

Parts List:

Cylinder Works

3mm Big Bore Cylinder Kit 269cc, Includes Forged Vertex Piston and Top-End Gasket Kit
www.cylinder-works.com

Race Tech 

Suspension Re-Valve and Setup, Vortex X-10 ECU and Mapping, Head Porting
www.racetech.com

Supersprox            

Rear Sprocket, Front Sprocket, Gold MX Race Chain G520-MXT-L-120
www.supersproxusa.com 

Uni Filter 

Two-Stage Air Filter
www.unifilter.com  

Hinson Clutch Components

Fiber Spring Kit and Outer Cover
www.hinsonracing.com

FMF Racing 

Full Ti Powerbomb Headers with RCT 4.1 Mufflers
www.fmfracing.com     

Renthal   

604 Fat Bars, Tacky Grips
www.renthal.com

Dunlop 

MX33 Front (80/100-21)
MX33 Rear (110/90-19)
www.dunlopmotorcycletires.com

Works Connection    

Brake Caps, Works Stand II, Brake Rotating Bar Mount, Engine Plugs, Axle Blocks, Elite Clutch Perch, Master Cylinder Guard, Holeshot Device
www.worksconnection.com

DeCal Works  

Semi-Custom Graphics Kit, Pre-Printed Number Plate Backgrounds
www.decalmx.com

UFO Plastic

Full Plastic Kit, Mud Flap
www.ufoplasticusa.com

TM Designworks    

Rear Chain Block
www.tmdesignworks.com

MotoSeat   

Custom Cool Seat Cover
www.motoseat.com

Acerbis

Skid Plate
www.acerbisusa.com

Tusk 

Oversized Front and Standard Rear Rotor, Complete Wheel Set, Sprocket Bolts, Rotor Bolts
www.tuskoffroad.com

Motion Pro 

Grip Glue, Titan Throttle Tube
www.motionpro.com

Scar

Titanium Footpegs
www.scar-racing.com

VP Racing Fuels

T4 or U4.4 Fuel
www.vpracingfuels.com