Text/Test by David Pingree

Photo/Video by Simon Cudby

We went to Jaime Ellis at Twisted Development to see if we could build an engine to match the superb handling on this 2018 Honda CRF250R.

Products Used:

Twisted Development 

Head Porting/Valve Seats and Deck, Vortex X10 ECU Mapping to Operate Second Injector, KTM Throttle Body Setup
www.td-racing.com 

Vertex Pistons

GP Racer Piston Kit (Ring, Pin, Clips)
www.vertexpistons.com

Yoshimura

Full Exhaust 
www.yoshimura-rd.com

Vortex Ignitions

X10 Programmable ECU
www.vortexcdi.com

Acerbis

 Full Plastic Kit 
www.acerbisusa.com

Supersprox

Sprocket 
www.supersproxusa.com

Michelin

StarCross 5 (Front and Rear Tires)
www.moto.michelin.com 

Works Connection

Elite Perch, Brake Caps, Bike Stand, Radiator Braces, Titanium Footpegs 
www.worksconnection.com

Hinson Clutch Components

Complete Clutch Setup, Outer Cover Kit 
www.hinsonracing.com

Uni Filter

Two-Stage Air Filter
www.unifilter.com

MotoSeat

Custom Cool Seat Cover
www.motoseat.com

VP Racing Fuels

MR Pro 6
www.vpracingfuels.com

D'Cor Visuals

Custom Graphics Kit
www.dcorvisuals.com

Faster USA 

Wheelset 
www.fasterusa.com