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MG Midget 1500 Service Schedule & Costs

Every service item for the MG Midget 1500 — what needs doing, when, and what it should cost at an independent garage versus a main dealer.

MK4 (1974–1980)1.5L A-Series

MG Midget 1500 service: key facts

Routine service items

These are the items covered in a standard service. Most garages include oil, oil filter and a basic inspection. The rest are typically checked or replaced on a schedule.

Service itemIntervalTypical cost
Engine oil and filter
Original BMC recommendation 6,000 miles or 12 months.
MK4
 6,000 miles or 1 year
£60–£90
Air filter
Paper element or K&N washable filter if fitted. Clean or replace more frequently in dusty conditions. Clogged filter affects carburetor mixture and performance significantly on this engine.
MK4
 12,000 miles or 2 years
£15–£30

Periodic maintenance

Items that don't need doing at every service but should be on your radar at the right mileage or age.

Service itemIntervalTypical cost
Brake fluid
Two-year interval regardless of mileage. Use DOT 4 brake fluid. Single-circuit brake system means fluid contamination is safety-critical. Check fluid colour and consistency annually.
MK4
 2 years
£40–£70
Valve clearances
A-Series engines require manual valve adjustment using feeler gauges.
MK4
 12,000 miles or 2 years
£80–£120
Spark plugs
Champion N9YC or equivalent. Gap to 0.025in. Check condition at 6,000-mile intervals as fouling indicates carburetor or engine issues requiring attention.
MK4
 12,000 miles or 2 years
£25–£40

Known issues to watch for

The most common problems reported on the MG Midget 1500, ranked by severity.

dangerous
Subframe mounting point corrosion (MK4)
The rear subframe mounting points in the body structure are prone to corrosion that can compromise structural integrity.
major
Excessive emissions due to carburetor wear (MK4)
The 1500 Midget uses twin SU HS4 carburettors that wear over time, causing fuel mixture problems that result in excessive emissions.
major
Wheel bearing wear and failure (MK4)
The Midget 1500 uses wire wheels with knock-off hubs that place different loads on the wheel bearings compared to conventional steel wheels.
major
Sill corrosion (MK4)
The Midget's steel monocoque construction is particularly vulnerable to sill corrosion due to the design's low ground clearance and tendency for debris and moisture to collect in the box-section sills.

1 more known issues tracked. Check a specific car's history to see what matters for its age and mileage.

Check a MG Midget 1500's service history

Enter a reg to see franchised dealer service records — dates, mileage, and work done at every visit.

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Related

MG Midget 1500 service FAQs

How often should a MG Midget 1500 be serviced?

A MG Midget 1500 should have an oil service every 6,000 miles or 1 year, whichever comes first. Original BMC recommendation 6,000 miles or 12 months.

How much does a MG Midget 1500 service cost?

Costs vary depending on the service items required and whether you use an independent garage or main dealer. Independent garages are typically 30-50% cheaper.

Can I service a MG Midget 1500 at an independent garage?

Yes. Under UK consumer law, using an independent garage does not void your manufacturer warranty, provided they use parts meeting the manufacturer's specification and follow the correct schedule. However, independent services won't appear in the franchised dealer digital records.