DLE Engine - DLE-222cc Gas engine

This is the DLE 222cc Gasoline Powered Engine with Electronic Ignition.    
                                                                               
FEATURES: Dual carburetors for maximimum performance                           
          Double V-type reed valve bottom induction                            
          Six bolt prop hub                                                    
          Fully automatic electronic ignition                                  
          Two year limited warranty through Hobby Services beginning at date   
            of purchase                                                        
                                                                               
INCLUDES: Engine, four spark plugs, standoffs, ignition, instruction manual    
            two mufflers, prop hub and throttle arm extension                  
                                                                               
REQUIRES: 87 octane gasoline                                                   
          2-cycle oil, mix ratio for this engine is 30 parts gas to one part   
            oil and must be followed exactly for warranty consideration        
            and optimum performance                                            
          Ignition Battery: Two 4.8 - 6V NiCd or NiMH batteries OR 7.4V LiPo   
            Packs or 6.6V LiFe packs (LiPo & LiFe require voltage regulator)   
            (separate receiver style pack can be used)                         
          Propeller: 32x10, 32x12, 34x10                                       
          Field Equipment                                                      
                                                                               
SPECS:      Engine;                                                            
          Output Power: 21.5 HP at 7,500 RPM                                   
          RPM Range: 1,000 - 7,500                                             
          Idle Speed: 1000 RPM                                                 
          Displacement: 13.6 cu in (222.5cc)                                   
          Bore: 1.77" (45mm)                                                   
          Stroke: 1.38" (35mm)                                                 
          Compression Ratio: 7.6:1                                             
          Engine Weight: 10.9lbs (174.6oz) (4950g)                             
          Total Width Including Both Cylinder Heads: 10.1" (258mm) not         
            including spark plugs                                              
          Distance between Horizontal Mounting Hole Centers: 3.2" (81mm)       
          Distance between Vertical Mounting Hole Centers: 3.6" (91mm)         
          Height of Entire Mounting Plate: 4.2" (107mm)                        
          Widtht of Entire Mounting Plate: 3.8" (96mm)                         
          Length from Mounting Plate to Front Bearing: 8.97" (228mm)           
          Length from Mounting Plate to Prop Hub: 10.1" (258mm)                
          Height from Crankcase to top of Carburetors: 6.2" (157mm)            
          Distance between Muffler Mounting Hole Centers: 1.6" (40.5mm)        
          Height from Crankcase to end of Muffler Pipe Outlet: 11.2" (286mm)   
          Muffler Outlet Diameter: 1.2" (30mm)                                 
          Cylinder Head Exhaust Outlet Height: 0.51" (13mm)                    
          Cylinder Head Exhaust Outlet Width: 1.1" (27mm)                      
          Muffler Can Length: 8.4" (214mm)                                     
          Muffler Can Diameter: 2" (50mm)                                      
          Exhaust Pipe Diameter: 1.2" (31mm)                                   
          Exhaust Pipe Length: 6" (152mm)                                      
          Gasoline/Oil Mixture: 30:1                                           
          Gasoline Octane Rating: 87-93                                        
          Recommended Propellers: 26x12, 28x10                                 
          Spark Plugs: DLE 222-Q26 (DLEG2226) or equivalent                    
            Carburetor;                                                        
            Carburetor is preset from the factory but may require slight       
            needle adjustment depending on altitude                            
          Low Speed Needle: 1.5 turns from closed                              
          High Speed Needle: 1.5 turns from closed                             
                                                                               
COMMENTS: To avoid permanent damage to the electronic ignition system, NEVER   
            turn your DLE engine over with the system switched on and the plug 
            not installed.