
EVINRUDE/JOHNSON CARB-BOWL REPLACEMENT ORIFICES
Cross Flow Scavenged V-4 & V6 Float Chamber (Bowl) Material has Changed from Nylon to Aluminum. The Intermediate Orifices have also Changed from 1/4-20 Thread to 8/32 Thread. Use the Chart Below to Order and Install the Correct Orifice Part #. Also Refer to Instruction Sheet 341403 for Float Chamber Bowl 437214.
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Orifices (8-32 Thread Size)
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Orifice #
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Part #
|
Size
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Orifice #
|
Part #
|
Size
|
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0*
|
333342
|
0.000
|
43
|
325828
|
0.043
|
|
14
|
331952
|
0.014
|
44
|
325827
|
0.044
|
|
16
|
333243
|
0.016
|
45
|
323151
|
0.045
|
|
20
|
324005
|
0.020
|
46
|
327342
|
0.046
|
|
22
|
331934
|
0.022
|
47
|
328560
|
0.047
|
|
23
|
326188
|
0.023
|
48
|
326500
|
0.048
|
|
24
|
328549
|
0.024
|
49
|
333741
|
0.049
|
|
25
|
323003
|
0.025
|
50
|
323708
|
0.050
|
|
26
|
324652
|
0.026
|
53
|
328531
|
0.053
|
|
27
|
317474
|
0.027
|
54
|
334014
|
0.054
|
|
28
|
322936
|
0.028
|
55
|
326928
|
0.055
|
|
29
|
322776
|
0.029
|
56
|
333982
|
0.056
|
|
30
|
317473
|
0.030
|
57
|
325869
|
0.057
|
|
31
|
318823
|
0.031
|
58
|
328280
|
0.058
|
|
32
|
320016
|
0.032
|
59
|
327739
|
0.059
|
|
33
|
320015
|
0.033
|
60
|
327092
|
0.060
|
|
34
|
324025
|
0.034
|
61
|
324977
|
0.061
|
|
35
|
318832
|
0.035
|
62
|
326856
|
0.062
|
|
36
|
323703
|
0.036
|
64
|
325837
|
0.064
|
|
37
|
324698
|
0.037
|
66
|
328526
|
0.066
|
|
38
|
323149
|
0.038
|
67
|
327689
|
0.067
|
|
39
|
334568
|
0.039
|
68
|
327740
|
0.068
|
|
40
|
327745
|
0.040
|
70
|
328562
|
0.070
|
|
41
|
328535
|
0.041
|
73
|
328536
|
0.073
|
|
42
|
325829
|
0.042
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*This is a blank orifice with an index for drill placement. It's designed to allow drilling of a custom orifice size to accommodate carb tuning beyond the available orifice sizes available.
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