Amal GP & GP2 Body Groups

Type

Throat Size

Area, Inches

Notes

15 GP

    7/8”

  .8750”

22.2mm

  .601”

Same body casting.Throttle valve ID: 1-1/2”.*: straight-through bore with no enlargement at the throttle valve.Tuning parts interchange (except jet block).

  15/16”

  .9375”

23.7mm

  .683”

1”

1.0000”

25.4mm

  .785”

1-1/16”

1.0625”

27.0mm

  .887”

1-1/2” *

1.500”

38.1mm

  .767”

10 GP

1-1/16”

1.0625”

27.0mm

  .887”

Same body casting.Throttle valve ID: 1-5/8”.*: straight-through bore with no enlargement at the throttle valve.
Tuning parts interchange (except jet block).

1-3/32”

1.09375”

27.8mm

  .940”

1-1/8”

1.1250”

28.6mm

  .994”

1-5/32”

1.15625”

29.4mm

1.050”

1-3/16”

1.1875”

30.2mm

1.108”

1-7/32”

1.21875”

31.0mm

1.167”

1-5/8” *

1.6250”

41.3mm

2.074”

5 GP

1-7/32”

1.21875”

31.0mm

1.167”

Same body casting.Throttle valve ID: 1-13/16”.*: straight-through bore with no enlargement at the throttle valve.Tuning parts interchange (except jet block).

1-1/4”

1.25000”

31.8mm

1.227”

1-9/32”

1.28125”

32.5mm

1.289”

1-5/16”

1.3125”

33.3mm

1.353”

1-11/32”

1.34375”

34.1mm

1.418”

1-3/8”

1.3750”

34.9mm

1.485”

1-13/16” *

1.8125”

46.0mm

2.580”

3 GP2

1-3/8”

1.3750”

34.9mm

1.485”

Same body casting.Throttle valve ID: 1-13/16”.*: straight-through bore with no enlargement at the throttle valve.Tuning parts interchange (except jet block).

1-13/32”

1.40625”

35.7mm

1.553”

1-7/16”

1.4375”

36.5mm

1.623”

1-1/2”

1.5000”

38.1mm

1.767”

1-13/16” *

1.8125”

46.0mm

2.580”

Amal “GP” PDF Files

Catalog Cover

Features

Parts Illus.

Parts List

Specif.

Float Illus.

Float List

Tuning, Part 1

Tuning, Part 2

Tuning, Part 3

Tuning, Part 4

Tuning, Part 5

Tuning, Part 6

Amal “GP2” PDF Files

Illus.

List

Float Illus.

Float List

Guide 1

Guide 2

Guide 3

Guide 4

Guide 5