Technical Information

Ontario Moto Tech Information 

During the late 70's Ontario Moto Tech (really one man, Kaz Yoshima), was THE source for everything CB400F related.

CB400F Jetting 

 Here is some jetting info from Ontario Moto Tech from the man himself

Quick Turn Throttle Install 

Installation instructions for the quick turn throttle

CB400F Suspension Mods 

Suspension information from 1976 Cycle World Magazine

Ontario Moto Tech Exhaust Install 

Installation instructions for the OMT exhaust

Starter Motor Plug Kit 

Installation instructions for the Starter Motor Plug Kit

Rake & Trail Calculator 

Calculate the rake and trail when changing tires, shocks, forks, triple clamps.

Calculators 

Machining Software Calculators