Mk II  T140E Models
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My Bike - 1979 T140e
History - A timeline of the Meriden Bonneville from it's introduction in 1958 to its demise  in 1983
Serial numbers and how to read them
Exploded view of Mk I Amal concentric carburetter
Amal type Mk I
Main jet
Needle jet size
Needle type
Needle position
Throttle Valve:
Cuttaway
Carburetter nominal bore size
Air cleaner type
Twin
Carburetters
Single
Carburetters
L930/92 R930/93
190
.106
STD
1
R930/94
270
.106
STD
2
3
30mm
Surgical gauze
& metal gauze
3.5
30mm
Surgical gauze
& metal gauze
Amal type Mk II
Main jet
Needle jet
Needle type
Needle position
Throttle valve cuttaway
Starter jet
R2930/1  L2930/2
200
.105 (2928/030)
2C3
2
3
50
Mk I