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Vernatone MKII Round

This Vernatone MKII Round is another of the original styles that has been used by boat builders and boaters worldwide. If you have any questions or need help, contact us. Not sure what finish you need? Click here.

Application: All Inboards
Fuel type: Gas/Diesel
Waterline: Above only
Sound rating: Better

Vernatone Installation Sheet

VERNATONE MKII ROUND
  A1 A2 B C D F
  INLET OUTLET I/O LENGTH LENGTH DIAMETER I/O OFFSET
Part # INCHES MM INCHES MM INCHES MM INCHES MM INCHES MM INCHES MM
1400003 2.00 51 2.00 51 2.50 64 16.00 406 6.38 162 1.85 47
1400002 2.38 60 2.38 60 3.00 76 16.00 406 6.38 162 1.66 42
1400032 2.50 64 2.50 64 3.00 76 18.00 457 6.38 162 1.60 41
1400015 3.00 76 3.00 76 3.00 76 19.00 483 8.38 213 2.38 60
1400016 3.50 89 3.50 89 4.00 102 23.00 584 8.38 213 2.13 54
1400017 4.00 102 4.00 102 4.00 102 285.38 7249 10.04 255 2.66 68
1400018 4.50 114 4.50 114 4.50 114 28.50 724 10.04 255 2.41 61
1400006 5.00 127 5.00 127 5.00 127 31.50 800 10.04 255 2.16 55
1400040 5.00 127 6.00 152 5.00 127 40.00 1016 12.50 318 2.84 72
1400007 6.00 152 6.00 152 6.00 152 38.00 965 12.50 318 2.84 72
1400039 6.00 152 8.00 203 8.00 203 50.50 1283 16.25 413 3.72 94
1400059 6.63 168 6.63 168 6.00 152 38.00 965 12.50 318 2.32 59
1400008 8.00 203 8.00 203 8.00 203 50.50 1283 16.25 413 3.72 94
1400030 8.00 203 10.00 254 10.00 254 61.00 1549 18.50 470 3.85 98
1400009 10.00 254 10.00 254 10.00 254 63.00 1600 18.50 470 3.85 98
1400010 12.00 305 12.00 305 12.00 305 75.50 1918 22.50 572 4.25 108
1400011 14.00 356 14.00 356 12.00 305 87.00 2210 22.50 572 3.25 83



The following table is for general recommendations only:

IN & OUT SIZE / MAXIMUM H.P.
Dia. A
Gasoline
Diesel
1.50" or 1.63"
30
10
2.00"
60
25
2.50"
110
40
3.00"
160
60
3.50"
220
85
4.00"
280
125
4.50"
320
170
5.00"
370
210
6.00"
440
280
8.00"
--
420
10.00"
--
680
12.00"
--
900
14.00"
--
1150

NOTE: For V-Block engines where twin exhaust lines are desired, divide the H.P. by two and then match to the appropriate size.


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