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MOTRS

Midget

1961-1979 / Roadster / United Kingdom

All Midget problems All workshop issues
Common Cooling and Fuel

SU Carburettor Wear

Symptoms

Rough idle, poor throttle response, rich or lean running.

Cause

The twin SU carburettors develop throttle shaft bushing wear (causing air leaks), needle and jet wear, and perished diaphragms.

Fix

Service with new needles, jets, and gaskets ($25--40 per carburettor). Rebush throttle shafts if worn ($40--80 per carburettor).

Cost mentioned in fix
$25$40

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// More Midget problems

Other known issues

Common Cooling and Fuel

Fuel Pump Failure (SU Electric)

Engine starves for fuel, particularly under load or with a low fuel tank.
Minor Body and Structure

Sill Corrosion

The outer sill skin softens, bubbles, and crumbles. When prodded, it offers no resistance. In severe cases, the door drops when opened because the inner sill has lost its structural integrity.
Critical Body and Structure

Floor Pan Corrosion

Soft or perforated floors, particularly in the footwells. Wet carpets after rain. In extreme cases, visible road surface through the floor.
Minor Body and Structure

Rear Spring Hanger Deterioration

The rear leaf spring mounting points crack, distort, or tear away from the body under load.
Minor Body and Structure

Inner Wing and Suspension Turret Corrosion

The inner front wings around the front suspension top mounts corrode and thin.
Minor Engine -- A-Series (948, 1098, 1275)

Thrust Washer Wear (Crankshaft End-Float)

A metallic knocking or clunking noise from the front of the engine, particularly when the clutch is depressed or released. The clutch may feel different -- pedal travel changes, engagement point shifts.
View all 17 Midget problems