Yamaha two-stroke racing engines
                        
                            GPTKB entity
                        
                    
                Statements (46)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:piston_engine
                                        
                                         | 
                            
| gptkbp:cycle | 
                                    
                                        
                                            
                                            two-stroke
                                        
                                        
                                         | 
                            
| gptkbp:displacement | 
                                    
                                        
                                            
                                            500cc
                                        
                                        
                                         350cc 125cc 250cc 750cc 50cc  | 
                            
| gptkbp:fuelType | 
                                    
                                        
                                            
                                            petrol
                                        
                                        
                                         | 
                            
| gptkbp:manufacturer | 
                                    
                                        
                                            gptkb:Yamaha_Motor_Company
                                        
                                         | 
                            
| gptkbp:notableAchievement | 
                                    
                                        
                                            
                                            Isle of Man TT wins
                                        
                                        
                                         Daytona 200 wins multiple 250cc World Championships multiple 500cc World Championships  | 
                            
| gptkbp:notableDriver | 
                                    
                                        
                                            gptkb:Valentino_Rossi
                                        
                                         gptkb:Eddie_Lawson gptkb:Kenny_Roberts gptkb:Wayne_Rainey  | 
                            
| gptkbp:notableEvent | 
                                    
                                        
                                            
                                            first Yamaha two-stroke GP win in 1963
                                        
                                        
                                         introduction of liquid cooling in 1970s retirement from top-level GP racing in early 2000s introduction of Yamaha Power Valve System (YPVS) in 1982  | 
                            
| gptkbp:notableFeature | 
                                    
                                        
                                            
                                            lightweight design
                                        
                                        
                                         high power-to-weight ratio expansion chamber exhaust liquid cooling (in later models) power valve system (YPVS) reed valve induction  | 
                            
| gptkbp:notableModel | 
                                    
                                        
                                            gptkb:YZ125
                                        
                                         gptkb:YZ250 gptkb:YZR500 RD350 TZ250 TZ750  | 
                            
| gptkbp:racingEra | 
                                    
                                        
                                            
                                            1960s
                                        
                                        
                                         1970s 1980s 1990s  | 
                            
| gptkbp:successor | 
                                    
                                        
                                            
                                            Yamaha four-stroke racing engines
                                        
                                        
                                         | 
                            
| gptkbp:usedIn | 
                                    
                                        
                                            gptkb:Grand_Prix_motorcycle_racing
                                        
                                         gptkb:Enduro Motocross Road racing motorcycles  | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Walter_Kaaden
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            8
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Yamaha two-stroke racing engines
                                        
                                        
                                         |