Chopper Tech. Tips

Since most shops REFUSE to work on choppers, we've got to educate ourselves and build our skills in the garage. This will be the place to share your hard-won knowledge.

Last Updated: 04/16/2009



Santee Wiring Instructions Wes Erickson was kind enough to throughly detail instructions for wiring up your Santee box. THANKS WES!


OldMagic's CB750 F.A.Q. Check it out.


Newbie F.A.Q.  A nice beginning to a much need F.A.Q. (Frequently Asked Questions) about CB750 chops and using the Community Board. Many THANKS to Fixn2 for putting this together! (MS Word format)


Removing Springs from Amen Savior Thanks to G.O.T.F. Member MickD for putting this together!


CB750 K1 - Stock Wiring Diagram Um, the Stock K1 Wiring Diagram...


Regulator / Rectifier Diagram Simple to follow diagram drawn up (literally!) by Rick. THANKS Rick!


Legion CB 750 Frame Frank Woslum used his AutoCAD skills and detailed a kick-ass CB750 frame that any aspiring frame builder can use. The pics are LARGE (in size, not file size) so make sure you view @ 100%, otherwise the drawing will appear distorted: Frame Body & Engine Mounts


CB750 Ignition Diagram How to Make a Finch Box   Check it out!


Mounting a brake on a
Springer front end
"How do I mount a brake on a Springer fork?" seems to be a frequently asked question. So here is an explanation of the principals involved. MANY THANKS to Blackjack for writing this up!


Step-by-Step Guide to
Wiring Your Honda Chopper
Here's a great article from the pages of an August 1975 Street Chopper magazine. Thanks for the scanning!


Build Your Own Santee Wiring Box: Bottom / Sides Many thanks to Keith Barnett for drawing out these simple diagrams!


Frame Alterations: 
The Art of Doing it Right
An excellent article on how to fit metal shapes, how and where to place different types of welds, welding sequence, and more. (Thanks! 836Rigid)


"Konging" a frame A walkthrough put together by Sixshooter on how to "Kong" a stock frame.


Santee Wiring Diagram 1 A scan of the original Santee chopper wiring diagrams.
Santee Wiring Diagram 2 Big thanks to G.O.T.F. member Paladin333 for sharing 'em!


Simplified Wiring Diagram You may find this useful too if you're in electrical HELL!! 
THANKS to RICK KEEVER for the addition of color and correction to the regulator & ignition switch. (updated 8/14/04)


Troubleshooting Ignitions:
Getting to the Points on Time
This is a great article (with pictures) on how to inspect and adjust your CB750 ignition system. The article covers point gap adjustment, ignition timing, finding timing marks, and timing adjustment.


Porting the CB750 If you're thinking about increasing your CB750's displacement to add horsepower, then you'll certainly be interested in how the porting process happens.


SOHC.net's Technical Library Excellent archive of CB750-related technical articles and tutorials! HIGHLY RECOMMENDED!


Keihin Carburetor Tuning Guide A nice primer on jetting and tuning your Keihin carbs.


Optimizing the Standard
SOHC4 Ignition System
An excellent introduction to the CB750 points ignition system.


Carburetor Specs for U.S. CB750
Models 1969-1983
A technical specification chart for Keihin carbs.