Ariel carburettor jet settings
Years | Carburettor Type | Bore | Main Jet | Slide | Needle Jet | Float angle | Fuel pipe fitting | Mixing chamber top | |
LF/LG | 1934-36 | 74 | 25/32 | 85 | 3 | 106 | 15 | Top banjo | 4/032 |
LH | 1933-36 | 75 | 7/8 | 110 | 3 | 107 | 15 | Top banjo | 4/032 |
LF/LG/LH | 1937-38 | 75 | 7/8 | 110 | 3 | 107 | 15 | Top banjo | 4/032 |
NF/NG | 1933-38 | 75 | 7/8 | 110 | 4 | 106 | 15 | Top banjo | 4/032 |
NG-W/NG | 1939-41 | 275 | 7/8 | 120 | 4 | 106 | 15 | Top banjo | 4/032 |
NG-W/NG | 1942-50 | 275 | 7/8 | 120 | 4 | 106 | 15 | Bott direct | 4/032 |
NH | 1933-38 | 76 | 1 | 150 | 4 | 106 | 15 | Top banjo | 6/032 |
NH | 1939-40 | 276 | 1 | 150 | 4 | 107 | 15 | Top banjo | 6/032 |
NH | 1946-54 | 276 | 1 | 150 | 4 | 107 | 15 | Bott direct | 6/032 |
VG (14/089 float) | 1932 | 76/024 | 1 3/16 | 150 or 160 | 5 | 12 | Top direct | ||
VF, VG | 1933 | 76 | 1 1/16 | 170 | 5 | 106 | 15 | Top banjo | |
VF, VG | 1934-38 | 76 | 1 1/16 | 170 | 4 | 106 | 15 | Top banjo | |
VG | 1939-40 | 276 | 1 1/16 | 170 | 4 | 106 | 15 | Top banjo | 6/403 |
VG | 1946-50 | 276 | 1 1/16 | 170 | 4 | 106 | 15 | Bott direct | 6/032 |
VH | 1933-38 | 89 | 1 1/8 | 200 | 3 | 106 | 15 | Top banjo | 29/300 |
VH | 1939-54 | 289 | 1 1/8 | 200 | 3 | 106 | 15 | Bott banjo | 29/300 |
HS | 1954 | 10TT9 | 1 3/16 | 380 | 6 | 15 | |||
HS MK I | 1955-58 | 10TT9 | 1 3/16 | 400 | 6 | 15 | |||
VB | 1933 | 6 | 1 | 150 | 5 | 106 | 15 | Top banjo | 6/032 |
VB | 1934-39 | 76 | 1 | 160 | 4 | 106 | 15 | Top banjo | 6/032 |
VA | 1939-40 | 76 | 1 | 140 | 4 | 106 | 15 | Top banjo | 6/032 |
VB | 1946-54 | 276 | 1 | 160 | 4 | 106 | 15 | Bott direct | 6/032 |
KG | 1948-52 | 276 | 15/16 | 140 | 3 | 107 | 0 | Bott direct | 6/031 |
KH | 1948-54 | 276 | 1 | 150 | 3 | 107 | 0 | Bott direct | 6/031 |
FH | 1954 | 276 | 1 1/16 | 160 | 4 | 106 | 7 | Bott banjo | 6/403 |
4F | 1931-32 | 74 | 21/32″ | 95 | 4 | 0 | Bott direct | ||
4F, sidecar | 1931-32 | 74 | 21/32″ | 110 | 4 | 0 | Bott direct | ||
4F | 1933-35 | 74 | 21/32 | 90 | 4 | 106 | 0 | Bott direct | |
4F | 1936 | 74 | 21/32 | 90 | 4 | 106 | 0 | Bott direct | |
Fleet Van | 1931-33 | 5/150 | 7/8 | 110 | 4 | ? | |||
Fleet Van | 1931-35 | 75 | 7/8 | 110 | 4 | ? |
Settings for Ariel bikes using the Monobloc carburettor. | ||||||||||
Model | Part number of complete new carburettor | Years | Carburettor. Type | Bore | Main Jet | Slide | Needle Position | Needle Jet | Pilot Jet | Mixing chamber top |
NH/HT3 | 376/16NH | 1955-58 | 376 | 1 | 200 | 3.5 | 3 | 106 | 25 | 376/065 |
| VH | 376/17VH | 1955-58 | 376 | 1 1/16 | 200 | 3.5 | 3 | 106 | 30 | 376/099 |
HT5 | 376/17HT | 1956-58 | 376 | 1 1/16 | 99 | 3 | 3 | 106T | 30 | 376/099 |
HS MK III | 389/19HS | 1956-58 | 389 | 1 3/16 | 380 | 3.5 | 3 | 106 | 30 | 376/099 |
| VB | 376/16VB | 1955-58 | 376 | 1 | 220 | 5 | 2 | 106 | 30 | 376/065 |
KH | 376/16KH | 1955-57 | 376 | 1 | 200 | 3.5 | 3 | 106 | 30 | 376/065 |
| FH | 376/17FH | 1955-58 | 376 | 1 1/16 | 240 | 3.5 | 3 | 106 | 25 | 376/099 |