This is the Werks Racing non-pull start Team Line B6 .21 Competition 5-Port Off-Road Engine with SG (pilot) Crankshaft.Features:Ideal for larger circuits where horsepower and RPM are criticalSlide valve carburetor with steel slideAluminum carb reducer for increased torque5-port cylinder linerOversized 10-fin cooling head Black in colorRound rear exhaustIncludes:Werks Racing non-pull start Team Line B5 .21 Off-Road Racing Engine with exhaust gasket carburetor with reducer carb pinch bolt #5 turbo glow plug (does not include owner's manual)Requires:Fuel: Car blend with 15-40% nitro contentTrack Equipment: Air filter depending on vehicle toolsSpecs:Weight: 11.6oz (330g)Displacement: .21 cu in (3.4cc)Crankshaft Diameter: .24" (6.1mm) at threaded areaSpecs such as horsepower bore and stroke not provided by manufacturerCarb opening outer diameter: .55" (14mm)Distance between mounting holes same side: .83" (21mm)Distance between mounting holes opposite side: 1.4" (37mm)Width at bottom of crankcase: 1.2" (30.8mm)Width including mounting flanges: 1.7" (44.2mm)Height bottom of crankcase to top of cylinder head: 4.4" (111mm)Height bottom of mounting flanges to top cylinder head: 3.8" (95.8mm)Length from front of crankcase to end of crankshaft: 1.1" (29mm)Length from backplate to end of crankshaft: 3.7" (93mm)Length from backplate to front of crankcase: 2.5" (64.5mm)This product is compatible with the following Model(s): Werks Racing WRXTL21B6,
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