Course in Restoring 4-Stroke Motorcycle Engines
Online 300-hour course in restoring 4-stroke motorcycle engines. 6 modules covering ISO 286-1 (ISO system of limits and fits), SAE J300 (engine oil viscosity classification) and advanced Excel. Assigned tutor and open enrolment.
Course in Restoring 4-Stroke Motorcycle Engines — studying from Ireland
Ireland has an active heritage vehicle and classic machinery community, supported by clubs, restoration workshops and specialist suppliers serving classic cars, motorcycles and agricultural equipment. Engineering skills in this area combine historical knowledge with modern techniques in fabrication, materials and diagnostics. Restoration work is often linked to heritage conservation and museum collections, and classic vehicles operate under national roadworthiness and vehicle registration rules. Professional bodies and enthusiast organisations help maintain standards and knowledge across the sector.
Fees for Ireland: €448 (Euro), with instalments and employer sponsorship available.
Relevant bodies in Ireland
Typical roles
Questions from Ireland
Is there a recognised professional body in Ireland for classic vehicle restoration?
Classic vehicle restoration in Ireland is largely a craft and hobby sector, supported by enthusiast clubs and heritage bodies rather than a regulated professional title. SEIUM's qualifications are private and not accredited by any national body, so they do not confer membership or formal recognition. Check the requirements of any club or body you wish to join.
Would Irish restoration businesses or employers value this qualification?
Restoration businesses in Ireland often rely on hands-on skill, reputation and portfolio work. A private online qualification may add to your CV, but employers decide for themselves whether it is relevant. Your final project can help show your capability, though there is no guarantee of any outcome.
Can I study this part-time while keeping my current commitments?
Yes, the programme is 100% online and taught in English, so you can study from home around existing commitments. Durations are 300, 800 or 1,900 hours depending on the course, so plan your schedule accordingly. Fees can be paid in instalments, and each student has an assigned technical tutor.
Take the controls.
Run a real engineering trade-off from this field. Move the sliders, watch the model react in real time and beat the challenge.
What you will be able to do
Analyse the architecture of four-stroke engines in classic motorcycles.
Dismantle the engine and measure its components with precision instruments.
Recover cylinders, crankshafts and cylinder heads through grinding and repair techniques.
Adjust the valve timing and valve clearances.
Restore the lubrication, fuel supply and ignition systems.
Assemble the engine to the specified torques and clearances.
Plan the running-in and final verification of the engine.
Who it's for
- Classic motorcycle engine mechanic who wants to specialise in Restoration of 4-Stroke Motorcycle Engines.
- Engine grinding technician who wants to specialise in Restoration of 4-Stroke Motorcycle Engines.
- Motorcycle restorer who wants to specialise in Restoration of 4-Stroke Motorcycle Engines.
- Classic competition engine tuner who wants to specialise in Restoration of 4-Stroke Motorcycle Engines.
- Workshop metrology technician who wants to specialise in Restoration of 4-Stroke Motorcycle Engines.
- Manager of a classic motorcycle workshop who wants to specialise in Restoration of 4-Stroke Motorcycle Engines.
- Engineering or science graduates looking to enter motorcycle restoration.
What you'll work with
- ISO 286-1 (ISO system of limits and fits)
- SAE J300 (engine oil viscosity classification)
- JASO T 903 (four-stroke motorcycle engine oils)
- ISO 6621 (piston rings)
- ISO 898-1 (mechanical properties of fasteners)
- Regulation (EU) 168/2013 (L-category vehicles)
- Royal Decree 892/2013 (Regulation on Historic Vehicles)
6 modules · 300 h
1.1Architectures: single-cylinder, twin-cylinder and more1.2Pushrod and camshaft valve actuation1.3Cast iron and aluminium cylinder heads1.4Wet-sump and dry-sump lubrication1.5Engine and series identification1.6Documentation, exploded diagrams and dimensions1.7Specific tools and equipment1.8Workbench and order1.9Diagnosis before dismantling1.10Workshop: identification and diagnosis of an engine
2.1Ordered dismantling and marking2.2Cleaning of parts2.3Measuring cylinder and piston2.4Piston ring clearances2.5Crankshaft: alignment and crankpins2.6Connecting rods, bushes and bearings2.7Axial and radial play2.8Camshaft and its wear2.9Measurement sheet and tolerances2.10Practical: complete metrology of an engine
3.1Cylinder grinding and oversizes3.2Liners and their replacement3.3Valve seats and guides3.4Valve grinding and sealing3.5Cylinder head surfacing3.6Crankshaft: grinding and balancing3.7Metallising and part recovery3.8Treatments and their effects3.9Quality control of external workshops3.10Practical: specification of grinding work
4.1Valve timing adjustment4.2Chain tension and guides4.3Pushrods, rocker arms and tappets4.4Valve clearance, cold and hot4.5Valve springs and their condition4.6Decompressor and its adjustment4.7Ignition timing4.8Gaskets and their material4.9Torque values and tightening sequences4.10Practical: assembly and adjustment of valve timing
5.1Oil pump and its inspection5.2Filters, settling tanks and ducts5.3Suitable oils for older engines5.4Dry sump and its circuit5.5Basic carburettor and its tuning5.6Magneto, coil and contact breakers5.7Dynamo and regulation5.8Exhaust and its effect on the engine5.9Leaks and their prevention5.10Practical: inspection of the lubrication circuit
6.1Cleaning and final assembly6.2First start-up and checks6.3Progressive running-in6.4Monitoring of temperatures and pressures6.5Retightening and second adjustment6.6Diagnosis of smoke and noises6.7Recording the work carried out6.8Common workshop errors6.9Documented real cases6.10Final project: documented rebuild of a 4-stroke engine
How you'll learn
100 % online training on the SEIUM campus, with downloadable material, recorded classes and an assigned technical tutor. No fixed timetables: students progress at their own pace within the intake, making it possible to combine with work.
Each module combines theory, guided reading of the original standard and applied exercises. The working software is advanced Excel, Fusion 360, Engine Analyzer Pro, PicoScope 7, in free, academic or evaluation versions. Tests are studied using real procedures for cylinder and crankshaft metrology, compression and sealing tests, and controlled running-in on the test bench. Assessment is continuous by module plus the final integrating project.
Build it end to end
Your final project follows the real engineering workflow, step by step, reviewed by your tutor.
Analyse the architecture of four-stroke engines in classic motorcycles.
Dismantle the engine and measure its components with precision instruments.
Recover cylinders, crankshafts and cylinder heads through grinding and repair techniques.
Adjust the valve timing and valve clearances.
Restore the lubrication, fuel supply and ignition systems.
Where this takes you
Requirements
- No prior qualification is required.
- Internet connection and a computer capable of running the programme's software.
- Sufficient Spanish to follow technical standards documentation.
Ready to start?
Send your application today. Our admissions team replies within 72 hours with your study plan and funding options.
Frequently asked questions
The programme totals 300 hours spread over 3 to 5 months. That is between 10 and 15 hours per week on average, compatible with a full-time job.
The course uses advanced Excel, Fusion 360, Engine Analyzer Pro and PicoScope 7. Free, academic or evaluation versions are used, and the tutor indicates the free alternative where one exists.
A SEIUM own diploma upon passing the continuous assessment and the integrating project. It is in-house training, not an official qualification from the Ministry.
Yes. Modules passed in a course or postgraduate diploma in the same area can be credited towards the advanced programme. Check the credit transfer policy when you enrol.
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