11.25 inch diameter
                       9.0 inch length ( without carburetor )
                       1.00 inch bore x 1.125 inch stroke  

                       4.41  cubic inch displacement
                       Compression ratio  6.7  :  1
                       Approx. Weight :  6 lb. without carburetor, oil tank or club 

                       Fuel - 89 Octane unleaded
                       Oil  -  50 wt  -  detergent

                       Pressure oil pump
                       Fully Pressurized main bearings
                       Fully lubricated cam drive gear
                       Dry sump with scavenge pump
                       Direct drive 

                       4 Cycle  -  Air-cooled
                       Naturally aspirated - No supercharger
                       Rotation:  Clockwise viewed from rear 

                       Spark ignition - 1 plug per cylinder :
                             CDI electronic ignition with distributor 

                       Gears are available from the Boston Gear Works 

                       Machine tool requirements  :

                                    1.  Lathe with 9'' diameter swing with 3 & 4 jaw chucks
                                    2.  Bridgeport milling machine or equivalent
                                    3.  Dividing Head & Rotary Table