Welcome to The Motorcycle Project

HONDA CBX CARBURETOR

HONDA CBX
VALVE

HONDA 750
HEAD GASKET

HONDA 750
CAM CHAIN

HONDA CX500
CARBURETOR

HONDA SOHC
IGN OPTIMIZE

HONDA V4
CARBURETOR

HONDA SOHC
CHARGING

HONDA DOHC
CARBURETOR

HONDA GL1000
CARBURETOR

HONDA DISC
BRAKES

EARLY V4 CAMS
eBOOK

KZ1000
CARB

Celebrating Common, Old Motorcycles
in an Uncommon, Thoughtful Way

Inside The Industry
  • Four Laws Worth Knowing About
  • The Personal Watercraft Phenomenon
  • Inside the Introduction of the 1982 Honda V4s
  • An Early Look at Kawasaki's New Concours 14
Engine Tech
  • Three Secrets of High-Perf. Engine Building
  • Horsepower and all That Tommyrot
  • Lobe Center: What is It?
  • Aftermarket Exhausts
  • Camshafts
  • Motor Oil
  • The Honda V4 Cam Story
Carburetor Corner
  • Carburetors
  • Fuel Injection
  • Gasoline
  • Quick CBX Carb Clean
  • CBX Carb O-ring Replacement
  • Carburetor Thread Repair
  • Ultrasonic Carburetor Cleaning
  • How CV Carburetors Work
  • Things You Should Know About Carb Rebuilders
  • Carburetor Jet Tech
  •  Motorcycle Project Carburetor Gallery
  •  Keihin Idle Circuits White Paper
  •  Powersports Air Filters

Tips and Tricks
  • The Seven Sins of Custom Bike Building
Beyond the Pale
  • The Pale?
  • The Harley Question
The Book Nook
  • Cleaning the CBX Carburetor
  • Adjusting the CBX Valves
  • Servicing the CBX Charging System
  • Servicing the CBX Pro-Link Shock
  • Servicing the CBX Ignition System
  • Tuning Up the Honda SOHC 750 Four
  • Cleaning the Honda SOHC 750 Carburetor
  • Replacing the Honda SOHC 750 Head Gasket
  • Replacing the Honda SOHC 750 Cam Chain
  • Cleaning the Honda CX500 Carburetor
  • Optimizing the Honda SOHC 750 Ignition
  • Cleaning the Honda V4 Carburetor
  • Servicing the Honda SOHC Charging System
  • Cleaning the Honda DOHC Carburetor
  • Rebuilding the Honda GL1000 Carburetor
  • Rebuilding Vintage Honda Disc Brakes
Chassis and Suspension
  • Suspension Tuning
  • Shucking the Shakes
  • Replacing Swingarm Bushings
  • Squeal and Other Brake Problems
  •  80s Honda Final Drive Alignment
Electrics for Skeptics
  • U-Gap and Split-Fire Spark Plugs
  • Optimizing Early SOHC Four Point Ignition
  • Four-Way Flashers Cheap and Easy
  • Three Steps to Battery Bliss
  • Powersports Charging System Variations
  • Ignition Idiosyncrasies
  • Installing an Ammeter
  • Useful Electrical Modifications
  • The Honda CBX Ignition System
  • Resistor Plugs, Wires, and Related Issues
  • Honda SOHC Charging System Troubleshooting
  • Honda DOHC Charging System Troubleshooting
  • Honda CBX Charging Troubleshooting FAQ
Tooling Up
  • Building and Using a Load Tester
  • Building and Using a High Current Shunt
  • Building and Using a Leakdown Tester
  • Trick Tools

Honda Hollow
  • Vintage Honda Inline Four Svc. Bulletins
  • Vintage Honda V-Four Svc. Bulletins
  • Vintage Honda Paint Data
  • Vintage Honda Wire Color Codes
  • Vintage Honda Carburetor Specs
  • Vintage Honda Carburetor Types
  • Vintage Gold Wing Tuning Tips
  • The Great American Head Gasket Caper
  • Frequently Overlooked 750 SOHC Maint Areas
  • 80s Vintage Honda Pro-Link Shocks
For Your Information
  • What Valve Clearance Is Really For
  • Multiple Valve Heads
  • Cast Versus Forged Pistons
  • Carburetor Rejetting
  • Cylinder Head Porting
  • Blue Headlights
  • Piston Pin Offset
  • Cold Air Engine Performance
  • DOT 3 Versus DOT 5 Brake Fluid
Services
  • Email me. Or click on the typewriter
  • Honda CBX Carburetor Overhaul
  • Honda Pro-Link Shock Refresh
  • Carburetor Rebuild Brochure
  •  Motorcycle Project Carburetor Gallery
New Stuff
  • New tech article format!
  • New shopping cart!
  • The Honda V4 Cam Story eBook