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
Some invaluable links for all Bonneville enthusiasts
Exploded view of Mk II 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