|
Shared Left Border
| |
|
CARBURETTOR -Alpine I-III
(early) |
| |
Series I |
Series II |
Series II |
Series III (Std.)
|
Series III (GT) |
|
|
| |
**With gauze type |
With gauze type
|
With dry element
|
With gauze type
|
With dry element |
|
|
| |
air filter
|
air filter type
|
air cleaner
|
air filter type
|
air cleaner |
|
|
| Make |
2 x Zenith
|
2 x Zenith
|
2 x Zenith
|
2 x Zenith
|
2 x Zenith |
|
|
| Type |
36WIP2 |
36WIP2 or 36WIP3
|
36WIP2 or 36WIP3
|
36WIP3 |
36WIA3 |
|
|
|
Settings (Sea Ievel to 4,000
ft. [ 1219 m.]) |
| Choke |
28 mm. |
30 mm. |
30 mm. |
28 mm. |
28 mm. |
29 mm. |
29 mm. |
| Main discharge Jet
|
016289 |
016289
|
016289 |
016219 |
016219 |
016289SE
|
016289 |
| Main jet
|
130 |
142 |
142 |
112 |
112 |
127 |
105 |
| By-pass jet |
Blank |
Blank |
Blank |
57 |
57 |
Blank |
55 |
| High speed bleed |
100 |
100 |
100 |
60 |
60 |
100 |
120 |
| Slow running |
50
|
50 |
45 |
45 |
45
|
45 |
45 |
| Progression holes
|
2 x 0.8
|
2 x 0.8 |
2 x 1.0
|
2 x 0.8 |
I x 1.1
1 x 1.0 |
1 x 1.0
2 x 1.1 |
1 x 0.8
I x 1.1 |
| Pump jet
|
50 |
†50 see below
|
70 |
70 |
70 |
90 |
90 |
| |
|
CARBURETTOR TYPE NUMBER IS STAMPED ABOVE FLOAT CHAMBER |
|
**Note: (Series I only) For export territories where dust is prevalent a
dry element type air cleaner is available. This should be used only with
120 main jet, 180 high speed bleed and a No. 77 by-pass jet. |
| † 70
Accelerator pump jet is used if 7 mm. radius pump cam is fitted. Where
this cam and jet is used, there is a 50 leak hole in the accelerator pump
suction valve. |
|
Altitude settings (differences above 4,000 ft. [1219 m]) |
| |
4000 ft. (1219
m.) to 7500 ft. (2288 m.) |
7500 ft. (2288
m.) to 10000 ft. (3048 m.) |
10000 ft. (3048
m.) to 12500 ft. (3812 m.) |
12500 ft. (3812
m.) to 15000 ft. (4576 m.) |
From 15000 ft. (4576
m.) |
| Main jet-Series I |
125 |
120 |
117 |
115 |
112 |
Series I
(Export) |
112 |
110 |
107 |
105 |
102 |
Series II
(gauze filter) |
135 |
132 |
130 |
127 |
125 |
Series III
(dry element) |
107 |
105 |
102 |
100 |
97 |
Series III (Std.)
(gauze filter) |
120 |
117 |
115 |
112 |
110 |
Series III (GT)
(dry element) |
100 |
98 |
95 |
93 |
90 |
By-pass jet-Series I
(Export) |
No change |
72 |
72 |
70 |
67 |
Series II
(dry element) |
No change |
52 |
52 |
50 |
50 |
Series III (GT)
(dry element) |
No change |
50 |
50 |
48 |
48 |
|
CARBURETTOR-Alpine III (where fitted), Alpine IV, Rapier
IV |
| Make |
Solex compound (twin choke) |
| Type |
32 PAIA |
| Settings |
| |
Alpine III, Rapier IV
|
Alpine IV |
| |
Primary throttle |
Secondary
throttle
|
Primary throttle |
Secondary throttle
|
| |
STD. |
GT. & RAP. |
STD. |
GT. & RAP. |
STD. & GT. |
STD. & GT. |
|
Choke |
24 mm |
24 mm |
26 mm |
26 mm |
24 mm |
26 mm |
|
Main jet
|
120 |
117.5
|
155 |
130 |
120 |
155 |
|
Air correction |
210 |
190 |
210 |
190 |
210
|
210 |
|
Pilot jet |
60 |
60 |
60 |
60 |
60
|
60 |
|
Pilot air bleed |
Nil |
1.0 |
Nil |
.8 |
1.0
|
1.0 |
|
Pump jet
|
70 |
70
|
Nil
|
Nil
|
70
|
Nil |
|
|
Float chamber-Pump back bleed |
|
50 |
Alpine III, Rapier IV |
| Needle valve |
|
2.5 x I.0 mm |
|
| Pump back bleed |
|
50 |
Alpine IV |
| Needle valve |
|
2.5 x I.0 mm
|
|