If you are curious as to the comparison of jet sizes between different brands of carb jets, the chart below should give some guidance. Note that different manufacturers sometimes use different profiles for the jet passage which can effect flow. The chart below is informational only and probably only of use to custom builders. Use any information at your own risk!
Keihin | Dynojet | Mikuni |
92 | 92 | 85 |
95 | 94 | 87.5 |
98 | 96 | 90 |
100 | 98 | 92.5 |
102 | 100 | - |
105 | 102 | 95 |
108 | 104 | 97.5 |
110 | 106 | 100 |
112 | 108 | - |
115 | 110 | 102.5 |
118 | 112 | 105 |
120 | 114 | 107.5 |
122 | 116 | - |
125 | 118 | 110 |
130 | 122 | 115 |
132 | 124 | - |
135 | 126 | 117.5 |
138 | 128 | 120 |
140 | 130 | 122.5 |
142 | 132 | - |
145 | 134 | 125 |
148 | 136 | 127.5 |
150 | 138 | 130 |
152 | 140 | - |
155 | 142 | 132.5 |
158 | 144 | 135 |
160 | 146 | 137.5 |
162 | 148 | - |
165 | 150 | 140 |
168 | 152 | 142.5 |
170 | 154 | 145 |
172 | 156 | - |
175 | 158 | 147.5 |
178 | 160 | 150 |
180 | 162 | 152.5 |
182 | 164 | - |
185 | 166 | 155 |
188 | 168 | 157.5 |
190 | 170 | 160 |
192 | 172 | - |
195 | 174 | 162.5 |
200 | 178 | 167.5 |
202 | 180 | - |
205 | 182 | 170 |
208 | 184 | 172.5 |
210 | 186 | 175 |
212 | 188 | - |
215 | 190 | 177.5 |
218 | 192 | 180 |
220 | 194 | 182.5 |
222 | 196 | - |
225 | 198 | 185 |
228 | 200 | 187.5 |