Race Bikes
The SOHC/4 Forums Performance and Racing board is a great resource for anyone interested in racing a single overhead cam four.
SOHC/4 Racing and Performance Articles
Racing
“Mann Makes it at Daytona”, Motorcyclist Magazine, June 1970
Performance Parts
| Action Fours Catalog | This is a 1979 Action Fours catalog with products covering the Honda 500/550/750 and Kawasaki 650/900/1000. |
| Arias Forged Racing Pistons Job Card | This “Job Card” for CB750 pistons provides technical details as well as installation instructions for a batch of pistons made in 1998. |
| Arias Piston Installation Instructions | Installation instructions for Arias forged aluminum pistons. |
| Carillo connecting rods specifications. | A 2007 Carillo connecting rods specification sheet with torque values and wrist pin specs. |
| Crowerod Tag | A spec sheet for a set of rods made for the Honda CB750 by Cower Rod in 2008. |
| Dixon Racing Limited 1982 Catalog | The 1982 catalogue from British motorcycle tuning firm, Dixon Racing. This isn’t just a list of parts and prices, but a very informative booklet on motorcycle tuning. |
| Dixon Racing Limited 1982 price list | The price list is for Yoshimura parts sold by Dixon Racing and covers the CB750 and CB400F among other bikes. |
| Dyna S Electronic Ignition Installation Instructions | Dyna S Installation Instructions covering the DS1-1 for the Honda 350/400 and the DS1-2 for the 500/550/750. |
| Dynateck Dyna S Test | A how-to from Dyna describing diagnostic testing methods for the Dyna S electronic ignition. |
| Dyna Ignition Coil Installation | Installation instructions for Dyna ignition coils covering most applications. |
| Eckert CB500 and CB750 rear-sets | A line sheet for the rear-sets made by Roland Eckert Sportmotorrader of Kupferzell-Belzhag, Germany. |
| 1977 Eckert German Price Sheet | 1977 price list for parts and services for the CB750 and CB500 by Roland Eckert Sportmotorrader of Kupferzell-Belzhag, Germany. |
| 1982 Roland Eckert Catalog | The Roland Eckert company catalog from 1982 (in German) |
| Gerex Ignition Instruction Sheet | Installation instructions for the Gerex Multifire ignition system. |
| Sudco Keihin CR-Special Carburetor Owner’s Manual | Technical information on jetting options for these carbs. |
| Keihin Troubleshooting Guide | Covers the FCR and CR Special Carburetors. |
| 1974 MotoRademacher Catalog | MotoRademacher was a German company supplying general performance parts for the CB750. |
| Installation instructions for the Wiseco M Series pistons | 2001 |
| Wiseco Piston Ring Installation Instructions | for the Wiseco 4 cycle/auto rings. |
| Yoshimura Cam Settings | FOr the Yoshimura YH750-112-00 cam for the CB750. |
Race Bike Gallery
DR TOM MARQUARDT’S CB550 AHMRA RACE BIKE
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Members Race Bike Gallery
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