EVINRUDE/JOHNSON CARB-BOWL REPLACEMENT ORIFICES
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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 #
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Size
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Orifice #
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Part #
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Size
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0*
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333342
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0.000
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43
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325828
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0.043
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14
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331952
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0.014
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44
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325827
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0.044
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|
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16
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333243
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0.016
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45
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323151
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0.045
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|
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20
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324005
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0.020
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46
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327342
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0.046
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|
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22
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331934
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0.022
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47
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328560
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0.047
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|
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23
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326188
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0.023
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48
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326500
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0.048
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|
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24
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328549
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0.024
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49
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333741
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0.049
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|
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25
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323003
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0.025
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50
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323708
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0.050
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|
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26
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324652
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0.026
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53
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328531
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0.053
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27
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317474
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0.027
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54
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334014
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0.054
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28
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322936
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0.028
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55
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326928
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0.055
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29
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322776
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0.029
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56
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333982
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0.056
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30
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317473
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0.030
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57
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325869
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0.057
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31
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318823
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0.031
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58
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328280
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0.058
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32
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320016
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0.032
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59
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327739
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0.059
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33
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320015
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0.033
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60
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327092
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0.060
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34
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324025
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0.034
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61
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324977
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0.061
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35
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318832
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0.035
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62
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326856
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0.062
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36
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323703
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0.036
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64
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325837
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0.064
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37
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324698
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0.037
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66
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328526
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0.066
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38
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323149
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0.038
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67
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327689
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0.067
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39
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334568
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0.039
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68
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327740
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0.068
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40
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327745
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0.040
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70
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328562
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0.070
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41
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328535
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0.041
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73
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328536
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0.073
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42
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325829
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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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