Best Place to Buy Keihin Jets

Heli-coil head stud install

Jetting Help

HID Headlight install

More jetting Charts, plug chop instructions, pilot circuit tuning, and torque specs

Plug Chopping and Carb Jetting FAQ

Installed 450R Carb and Wow

450R Carb Install

450 carb vs OEM carb

Super cooling system using aftermarket oil cooler

CBR1000 oil cooler mod

Inline Extra Oil Cooler

My SPAL fan install...LOTS of pics

Installing Sparks Advance Timing Key (Note:Not recommended for High Compression Pistons of 11:1 or higher)

How to Pick a Cam

Install Pro Design Kill Switch

400EX Swingarm Pivot Bolt Removal

Engine Assembly

Bearing Carrier Removal

450r Brake upgrade info

Brake Light Switch For Rear Brakes

Adding LED Rear Brake Light

Adding Rear Brake Light Switch to 99-04 Models

400ex axle locknut removal

HOW TO: 450R shocks on 400EX

Suspension Settings/Adjustment

400EX (and other quads) Sprocket Gearing Calculator (change RPM to 9100 for max speed)

400EX Engine Torque Specifications

Secrets to Breaking in Your Engine

How to Adjust the Throttle

Reverse Bleeding The Brakes

Pilot Screw Adjustment/Tuning

How to Change Your Clutch

Alignment

400ex Frontend Width Discussion

Plastic Restoration

Interchangeable Parts

Break In

Calculating CC's

Picture threads