Model CA225 Series Carburetors

CARBURETORS
CA225 SERIES
For LP and Natural Gas
CA225 Series – 237 HP (176.7 kW)
Carburetors consist of a mixer and throttle body assembly, and an optional air
horn. The mixer has a replaceable air valve assembly. The charts below
describe these components and the most common combinations available as
CA225 Series carburetors. Other combinations of air valve assemblies and air
horns can be built for your specific requirements. (Minimum quantities may be
required.)
Mixer
Throttle
Body
Assembly
Letters in ( ) refer to the dimension diagrams on this page. Numbers in ( )
indicate metric dimensions.
AIR VALVE ASSEMBLY (Item No. 10 on Parts List)
Part No.
N00-7407A
N00-7415A
N00-7418A
1309-6069
Model No.
N-AV1-12-2
N-AV1-1245-2
N-CV1-12-2
N/A
Description
Standard, silicone diaphragm
Feedback, silicone diaphragm
NG, silicone diaphragm
LP Rich Flow, silicone diaphragm
N-CA225 Air Hor n
AIR HORN ASSEMBLY (Not shown on Parts List)
2-BARREL FLANGE ADAPTERS (Item No. 37 on Parts List)
Part No.
N00-4043
N00-4044
N00-4046
Part No.
Model No.
Description
BT2-11
1-1/4" SAE (31.75mm)
N1-7231
N1-7233
BT2-12
1-1/2" SAE (38.1mm)
N00-7237
N-BT2-13
2" SAE (50.8mm) Holley
N00-7236A
N-AT2-13-1
*
(*) Adapter assembly for Holley 2-barrel mounting flange
Model No.
A2-2
N-A2-3
N-A2-6
Description
Aluminum
Aluminum
Aluminum
Diameter
5-1/8" (130.18mm)
2-5/8" (66.55mm)
3-1/16" (77.79mm)
MIXERS (Item No. 17 on Parts List) The chart below lists the most common mixer assemblies. Please contact factory for
other assemblies that can be built to your specific requirements.
Standard Air Valve
Mixer Part No.
Mixer Model No.
N00-2803A
N00-2804A*
NOO-2809A
AIR VALVE OPTIONS
Feedback Air Valve
Mixer Part No. Mixer Model No.
N-CA225M-2
N-CA225M-10-2
Rich Flow
N00-2807A
N00-2805A*
NG Air Valve
Mixer Part No.
Mixer Model No.
N-FB225M-2
N-FB225M-10-2
N00-2801A
N-225M-2R
Fuel Inlet
NPT
(E)
3/4" (19.05mm)
3/4" (19.05mm)
3/4" (19.05mm)
(*) Dual Fuel models
THROTTLE BODY ASSEMBLIES (Item No. 39 on Parts List) Also see Throttle Components section.
Part No.
N00-7212
N00-7216
N00-7220
N00-4220A
Model No.
N-AT2-4-2
N-AT2-5
N-AT2-6
N-AB1-24-1
Flange
1-1/2" SAE (38.1mm)
1-3/4" SAE (44.45mm)
2" SAE (50.8mm)
Duplex
Center to Center
Bolt Spacing
Bore
Height
(A)
(B)
(F)
2-15/16" (74.61mm) 1-11/16" (42.86mm) 2-3/4" (69.85mm)
3-5/16" (84.14mm) 1-15/16" (49.21mm) 3-1/4" (82.55mm)
3-9/16" (90.49mm) 2-3/16" (55.56mm) 3-1/4" (82.55mm)
1-3/8" x 3"
1-3/16" (30.1mm)
(34.93 x 76.2mm)
Shaft Dia.
(G)
5/16" (7.9mm)
3/8" (9.5mm)
3/8" (9.5mm)
7/16" (11.09mm)
CA225 CARBURETOR ASSEMBLIES (Configurable for feedback or NG)
Carburetor
Assembly
Part No
N00-2609A
N00-2610A
N00-2611A
N00-2612A
N00-2617A
N00-2621A
N00-2623A
N00-2625A
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Model No.
N-CA225-11
N-CA225-12
N-CA225-13-1
N-225-13-1
N-CA225-30
N-CA225-52-2
N-CA225-62
N-CA225-94
North America
Mixer
Part No.
N00-2803A
N00-2803A
N00-2803A
N00-2801A
N00-2803A
N00-2803A
N00-2803A
N00-2803A
CARBURETORS COMPRISED OF:
Throttle
2-Barrel
Body
Flange
Air
Assembly
Adapter
Horn
Part No.
Part No.
Part No.
N00-4220A N1-7231
—
N00-4220A N1-7233
—
—
—
N00-7236
N00-7236
—
—
N00-4220A N00-7237 N00-4043
N00-7212
—
—
N00-7212
—
N00-4044
—
—
N00-7220
Air
Valve
Part No.
N00-7407A
N00-7407A
N00-7407A
N00-7418A
N00-7407A
N00-7407A
N00-7407A
N00-7407A
6-1/4"
6-1/4"
6-1/4"
6-1/4"
6-1/4"
6-1/4"
6-1/4"
6-1/4"
CARBURETOR ASSEMBLY DIMENSIONS
Flange to
Base of
Width
Height
Air Horn
(C)
(D)
(H)
(158.75mm) 5-3/4" (146.05mm) 3-1/2" (88.9mm)
(158.75mm) 5-3/4" (146.05mm) 3-1/2" (88.9mm)
(158.75mm) 4-3/4" (120.65mm) 3-1/2" (88.9mm)
(158.75mm) 5-3/4" (146.05mm) 3-1/2" (88.9mm)
(158.75mm) 5-3/4" (146.05mm) 3-1/2" (88.9mm)
(158.75mm) 6-3/4" (171.45mm) 4-3/4" (120.65mm)
(158.75mm) 6-3/4" (171.45mm) 4-3/4" (120.65mm)
(158.75mm) 7-1/4" (184.15mm) 5-1/4" (133.35mm)
For LP and Natural Gas
ITEM
PART NO.
DESCRIPTION
1
N00-5244
N-G1-73, Gasket, Mixer to Air Horn
2
N6-1104
N-S1-47, Screw, 1/4-20 x 1" Hex Head SEMS
1
3
N00-6400
N-S1-3, Screw, 10-24 x 5/8" SEMS
5
1
N00-4513
N-C1-25, Cover, Air Valve
1
5
N00-6607
N-S2-17, Spring, Air Valve
1
6
N00-6408
N-S1-12, Screw, 8-32, Screw, 8-32 x 5/16" SEMS
5
7
N00-6005
N-P2-21, Plate, Backup
1
8
N00-4711
N-D1-16-2, Diaphragm, Silicone, Yellow
1
9
N00-6206
N-R1-17, Ring Air Valve
1
SEE AIR VALVE ASSEMBLY CHART ON PREVIOUS PAGE
1
11
N00-6421
N-S1-28, Screw, Idle, 3/8-16 x 1-1/4" Fillister Head
1
12
N00-6606
N-S2-16, Spring, Idle Screw
1
13
N00-6453
N-S1-69, Screw, 1/4-28 x 5/16"
3
14
N00-2802
N-AB1-23, Body Assembly
1
15
N00-6104
N-P3-13, Plug, 1/8" (3.2 mm) Pipe Hex Head
1
16
N00-5212
17
18
19
N00-5902
N-G1-21, Gasket, Throttle Body to Mixer
1
SEE MIXER CHART ON PREVIOUS PAGE
1
Throttle Body Assembly
1
N-P1-6, Pin, Throttle Stop
2
1
2
3
4
5
6
7
20
N00-4308
N-B2-14, Bearing, Oilite, 7/16" (11.11mm) ID
2
21
N00-6710
N-S3-12- Seal, 7/16 (11.11mm) Shaft
2
22
N00-6205
N-R1-11, Ring Seal Retainer
2
23
N00-6903
N-S5-4, Shaft, Throttle, 7/16" (11.11mm) Dia.
1
24
N00-6415
N-S1-21, Screw, Throttle Stop, 10-32 x 3/4"
1
10
25
N00-6605
N-S2-15, Spring, Throttle Stop Screw
1
26
N00-5619
N-L1-11-1, Lever, Throttle Stop 7/16" (11.11mm)
1
Air Valve
Assembly
27
N00-6412
N-S1-18, Pin Screw, Throttle Stop
1
28
N00-5619A
N-AL1-11-1, LEVER ASS’Y., THROTTLE STOP
1
29
N00-5623
N-L1-12-3, THROTTLE LEVER, SHORT
1
30
N00-6411
N-S1-17, Screw, Clamp, 10-2 x 5/8
1
31
N00-5623A
N-AL1-12-3, THROTTLE LEVER, SHORT W/SCREW, N-S1-32 1
32
N00-5009
N-F2-10, Fly, Duplex
1
33
N00-6425
N-S1-31, Screw, 10-32 x 5/16" SEMS
2
34
N00-6413
N-S1-19, Screw, 12-24 x 5/8" SEMS
4
35
N00-6102
N-P3-5, Plug, 1/4" ( 6.35mm) Pipe
1
36
N00-5229
37
38
N-G1-44, Gasket, Throttle Body to Flange
1
SEE FLANGE ADAPTER CHART ON PREVIOUS PAGE
1
N00-5230
N-G1-45, GASKET, 1-1/4" (31.75mm) DUPLEX FLANGE
N00-5231
N-G1-46, GASKET, 1-1/2" (38.1mm) DUPLEX FLANGE
N00-5232
39
8
9
17
Mixer
11
12
13
14
15
16
N-G1-47, GASKET, HOLLEY DUPLEX FLANGE
18
SEE THROTTLE BODY ASSEMBLY CHART ON PREVIOUS PAGE 1
N00-7231 “L” = 3-1/4" (82.6mm)
N00-7233 “L” = 3-11/16" (93.7mm)
(131mm)
2120
22
23
(88.1mm)
(47.6mm)
N00-7231/N00-7233
31
19
24
25
29
30
N00-7237
CARBURETORS
QTY.
4
10
CA225 SERIES
32
33
26
27
28
34
15
35
36
39
37
Throttle
Body
Assembly
34
38
Note: Part numbers shown in BOLDFACE BLUE CAPITAL LETTERS are available for purchase. Minimum quantities
may be required. All parts are listed for reference purposes. Specifications subject to change without notice.
phone: 1-877-633-9169 fax: 970-488-2012 web: www.NGVINA.com
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