Carburetor Jet Mfg Number Comparison.

- kfoster

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Interesting - on the face of it, that jet would be leaner than stock, but that may not really be the case.  If the jet is a Dynojet replacement, it is a bit fatter than the stock Keihen jet. Here is a comparison chart. The manufacturers use different numbering systems! 

Width	Keihin #	DynoJet #	Mikuni #
0.0350	92.5	92	86.3
0.0360	95	94	88.1
0.0370	97.5	96	90.0
0.0380	100	98	91.9
0.0390	102.5	100	93.8
0.0400	105	102	95.6
0.0410	107.5	104	97.5
0.0420	110	106	99.4
0.0430	112.5	108	101.3
0.0440	115	110	103.1
0.0450	117.5	112	105.0
0.0460	120	114	106.9
0.0470	122.5	116	108.8
0.0480	125	118	110.6
0.0490	127.5	120	112.5
0.0500	130	122	114.4
0.0510	132.5	124	116.3
0.0520	135	126	118.1
0.0530	137.5	128	120.0
0.0540	140	130	121.9
0.0550	142.5	132	123.8
0.0560	145	134	125.6
0.0570	147.5	136	127.5
0.0580	150	138	129.4
0.0590	152.5	140	131.3
0.0600	155	142	133.1
0.0610	157.5	144	135.0
0.0620	160	146	136.9
0.0630	162.5	148	138.8
0.0640	165	150	140.6
0.0650	167.5	152	142.5
0.0660	170	154	144.4
0.0670	172.5	156	146.3
0.0680	175	158	148.1
0.0690	177.5	160	150.0
0.0700	180	162	151.9
0.0710	182.5	164	153.8
0.0720	185	166	155.6
0.0730	187.5	168	157.5
0.0740	190	170	159.4
0.0750	192.5	172	161.3
0.0760	195	174	163.1
0.0770	197.5	176	165.0
0.0780	200	178	166.9
0.0790	202.5	180	168.8
0.0800	205	182	170.6
0.0810	207.5	184	172.5
0.0820	210	186	174.4
0.0830	212.5	188	176.3
0.0840	215	190	178.1
0.0850	217.5	192	180.0
0.0860	220	194	181.9
0.0870	222.5	196	183.7
0.0880	225	198	185.6
0.0890	227.5	200	187.5