SPECIAL CAMSHAFT SPROCKET LESS WEIGHT AND ADJUSTABLE TIMING

SPECIAL CAMSHAFT SPROCKET LESS WEIGHT AND ADJUSTABLE TIMING

INSPIRED BY THE ORIGINAL NORTON DOMMIE RACER, THIS SPROCKET HAS BEEN CAREFULLY DESIGNED TO ELIMINATE ALL UNNECESSARY MATERIAL AND THUS BE APPROXIMATELY 25% LIGHTER THAN THE STANDARD COMPONENT WHILST MAINTAINING ITS STRENGTH THROUGH CAREFUL CHOICE OF STEEL AND HEAT TREATMENT.  THE THREE CAREFULLY POSITIONED WOODRUFF KEY SLOTS ALLOW THE CHOICE OF STANDARD TIMING, 3 DEGREE ADVANCE OR 6 DEGREE ADVANCE.  COMBINING THIS ADJUSTMENT WITH THE 5 DEGREE ADVANCE OR RETARD PROVIDED BY THE TOOTH ENGAGEMENT OF THE INTERMEDIATE GEAR GIVES A WIDE CHOICE OF VALVE TIMING POSITIONS.  2 DEGREE RETARD.  STANDARD.  1 DEGREE ADVANCE, 3 DEGREE ADVANCE ETC USEFUL WHEN TRYING TO GAIN THE MAXIMUM ADVANTAGE OF A SPORTS CAMSHAFT OR SIMPLY OBTAIN THE BEST PERFORMANCE FROM A STANDARD CAMSHAFT TO SUIT YOUR USAGE OR ACCOMMODATE THE DIFFERENT BURN CHARACTERISTICS OF MODERN FUELS.  THIS SPROCKET FITS ALL COMMANDO’S WITH POINTS ON THE END OF THE CAM (1971 ON).  SEE RGM1080L FOR TWIN CYLINDER ENGINES WITH POINTS/IGNITIONS MOUNTED BEHIND THE BARREL. 

PLEASE NOTE NEITHER OF THESE SPROCKETS ARE SUITABLE FOR THE DYNAMO DRIVE.