This is the HPI Nitro Star T3.0 Engine for use with the RTR Nitro RS4 3 Evo+ FEATURES: 1-piece black crankcase 6.5mm Rotary Carb Non-ringed/ ABC-type engine Standard crankshaft Side exhaust Heatsink Head INCLUDES: One assembled engine with glow plug One instruction manual and sticker sheet One air filter with instruction sheet Three zip ties One hex wrench SPECS: Height from crankcase bottom to top of cylinder head: 3.8" (96mm) Width including mounting tabs: 1.57" (40mm) Width below mounting tabs: 1.2" (31mm) Width between mounting holes same side: 0.43" (11mm) Width between mounting holes opposite side: 1.2" (31mm) Width of exhaust opening: 0.87" (22mm) Height of exhaust opening: 0.17" (4.2mm) Distance between muffler mounting holes 1.1" (28mm) Crankshaft Thread Size: 1/4-28 Bore x Stroke: 16.8 x 13.6mm Displacement: 0.18 cu in (3.01cc) Maximum Power: 2.2PS/31,000 RPM REQUIRES Fuel with 20%-25% Nitromethane and 18% (minimum) oil content COMMENTS: The factory setting of the needle valves are as follows: High speed needle: Flush with the carburetor body Low Speed Needle: Flush with the carburetor body
