Mg 1¼ Litre Series Yb (1951-53)
The Car
Coming soon
The Specs
Below are the technical specifications and any performance numbers we could get.
Engine
| Bore & Stroke | 66.5mm x 90mm |
| Displacement |
1250cc
|
| Firing order |
1,3,4,2
|
| Oil pressure (hot) |
50 lb./sq. in.
|
Fuel Supply
| Carburetor | Single SU |
| Standard | FI |
| Richer | DK |
| Weaker | EF |
Valving
| Intake tappet clearance |
0.019″ (hot)
(Up to and including Engine No. XPAG/SC2/18096, commencing at Engine No. XPAG/SC2/18097, 0.012) |
| Exhaust tappet clearance |
0.019″ (hot)
(Up to and including Engine No. XPAG/SC2/18096, commencing at Engine No. XPAG/SC2/18097, 0.012) |
| Valve-timing indication | Timing chain and timing wheels |
| Intake valve opens |
5° BTDC
|
Ignition
| Breaker gap | 0.010″ – 0.012″ (0.014″ – 0.016″ for cars with high-lift cam distributor) |
| Plug gap | 0.020″ – 0.022″ |
| Ignition timing indication |
Belt pulley and timing chaincase
|
| Ignition timing |
TDC
|
Clutch
| Clutch type | Borg & Beck Single Dry Plate |
| Clutch linings |
Wound yarn
|
Brakes
| Brake type |
Lockheed Hydraulic
|
| Brake linings |
Ferodo MR19
|
Wheel Alignment
| Toe-In | nil |
| Camber | 0°±1° |
| Caster angle | 1°±½° |
| King pin angle | 10° |
