![Puch S4 1937 248cc 1 cyl ts Puch S4 1937 248cc 1 cyl ts]() 
                            
                        
                    
                    
                            
                            
                            Manufacturer: Puch
                            Model: S4
                            
                                
                                    Year:  1937
                                    Displacement: 248 cc
                                    Cylinder: 1 – split single  
                                    Engine type: 2-stroke 
                                    Bore / Stroke: 
                                    
                                     45 
                                     x 
                                    
                                    
                                     78 mm 
                                    Power: 10.5hp
                                     @ 4.300 rpm
                                    
                                
                                
                                    Weight: 120 kg
                                    Top Speed: 110 km/h
                                    Production years: 1934 - 1942
                                    
                                    
                                    Frame number: 81986
                                    Engine number: 86915
                                
                             
                            
                                The 250 Puch presented in 1934 was given the type designation S4. This stood for four-speed sports and thus distinguished it from the rather staid T3 (touring three-speed) model. Conceptually, the S4 was an extremely modern motorcycle for the time, which was particularly evident in the load-dependent fresh oil lubrication of the engine and the special design of the clutch in the rear wheel. The model was not only very popular with the civilian population, it was also used frequently and successfully in races. The S4 was Puch's top model at the time.
This S4 with a sporty sound and much power is a figurehead in terms of construction and a sign of what was feasible at the time. The machine was restored a few years ago.