I just finished up some more intakes for the little HuaSheng 50's  They have a 19mm spigot, so any RT, NT or similar carb will clamp right on.   They use a 1/4" thick steel flange, and ship with studs & nuts.     Let your 50 breathe, and take advantage of the carburetors that are widely...
				
					
						
							
						
					
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