Diagnose and rectify motorcycle transmission and driveline system faults
URN: IMIMC13
Business Sectors (Suites): Maintenance and Repair - Motorcycle
Developed by: IMI
Approved on:
2021
Overview
This standard is about diagnosing and rectifying mechanical, hydraulic and electrical/electronic faults occurring within motorcycle gearboxes, clutches, driveline and hubs and bearings.
In this standard the term ‘motorcycle’ includes motorcycles, scooters, mopeds and motorcycle-derived vehicles with three or four wheels (such as quad bikes) on which the rider sits.
Performance criteria
You must be able to:
P1. use suitable personal protective equipment and motorcycle coverings (where applicable) when using diagnostic methods and carrying out rectification activities
P2. ensure the motorcycle and the work area is safe prior to commencing work
P3. support the identification of transmission and driveline system faults by reviewing motorcycle:
P3.1. technical dataP3.2. diagnostic test proceduresP4. select, prepare and check all the required equipment following manufacturer's instructions prior to useP5. use diagnostic methods which are relevant to the symptoms presentedP6. collect diagnostic information in a logical and systematic way relevant to the diagnostic methods usedP7. collect sufficient diagnostic information to enable an accurate diagnosis of transmission and driveline system faults
P8. accurately identify and record any system deviation from acceptable limits
P9. ensure your assessment of dismantled sub-assemblies, units and components accurately identifies their condition and suitability for repair or replacement
P10. promptly inform the relevant person(s) where repairs are uneconomic or unsatisfactory to performP11. use the equipment required correctly and safely throughout all rectification activitiesP12. carry out all diagnostic and rectification activities following:P12.1. manufacturer's instructionsP12.2. industry recognised repair methodsP12.3. your workplace proceduresP12.4. health, safety and environmental requirementsP13. work in a way which minimises the risk of:P13.1. damage to other motorcycle systems, units and componentsP13.2. contact with leakages and hazardous substancesP13.3. damage to working environmentP13.4. injury to self and othersP14. ensure all repaired and replaced units and components conform to the motorcycle operating specification and any legal requirements
P15. correctly adjust units and components to ensure that they operate to meet system requirements, when necessaryP16. promptly record and report any additional faults you notice during the course of work
P17. use testing methods which are suitable for assessing the performance of the rectified system
P18. ensure the rectified transmission and driveline system performs to the motorcycle operating specification and any legal requirements prior to returning it to the customerP19. ensure your records are accurate, complete and promptly passed to the relevant person(s) in the format requiredP20. complete all system diagnostic and rectification activities within the agreed timescaleP21. promptly report any anticipated delays in completion to the relevant person(s)
Knowledge and Understanding
You need to know and understand:
Legislative and organisational requirements and procedures
ing methods
K1. the health and safety legislation, environmental requirements and workplace procedures relevant to workshop practices and personal and motorcycle protection when diagnosing and rectifying transmission and driveline system faults
K2. legal requirements relating to the motorcycle (including road safety requirements)
K3. your workplace procedures for:
K3.1. recording and reporting diagnostic and rectification activitiesK3.2. the referral of problemsK3.3. reporting delays to the completion of workK4. the importance of working to industry recognised diagnostic procedures and processes and obtaining the correct information for diagnostic activities to proceedK5. the importance of documenting diagnostic and rectification informationK6. the importance of working to agreed timescales and keeping others informed of progress
K7. the relationship between time, costs and productivityK8. the importance of promptly reporting anticipated delays to the relevant person(s)
Electrical and electronic principlesK9. electrical and electronic principles associated with transmission and driveline systems, including types of sensors and actuators, their application and operationK10. how electrical and electronic transmission and driveline systems operate, including electrical component function, electrical inputs, outputs, voltages and oscilloscope patterns, digital and fibre optics principlesK11. the interaction between electrical, electronic and mechanical components within vehicle transmission and driveline systemsK12. how transmission and driveline electrical systems interlink and interact, including multiplexingK13. electrical symbols, units and termsK14. electrical safety procedures
K15. the hazards associated with working on or near high energy electrical vehicle components
Use of diagnostic and rectification equipmentK16. how to select, prepare and check the accuracy of diagnostic testing equipmentK17. how to use diagnostic and rectification equipment for transmission and driveline mechanical and hydraulic systems, specialist repair tools and general workshop equipment
Transmission and driveline system faults, their diagnosis and correctionK18. how motorcycle transmission and driveline mechanical and hydraulic systems are constructed, dismantled, reassembled and operateK19. the types and causes of motorcycle transmission and driveline mechanical and hydraulic system unit and component faults and failuresK20. transmission and driveline mechanical and hydraulic system unit and component replacement procedures, the circumstances which will necessitate replacement and other possible courses of actionK21. how to find, interpret and use sources of information on transmission and driveline system operating specifications, diagnostic test procedures, repair procedures and legal requirementsK22. motorcycle operating specifications for limits, fits and tolerances relating to transmission and driveline mechanical and hydraulic systems for the types of motorcycle on which you workK23. how to select and carry out the correct diagnostic testing methodK24. how to assess and interpret results of the condition of componentsK25. how to make cost effective recommendations for rectificationK26. how to carry out the rectification activities in order to correct faults in the transmission and driveline mechanical and hydraulic systemsK27. the relationship between test methodology and the faults repaired – the use of appropriate testing methods
Scope/range
1 Transmission and driveline systems are:
1.1. clutch1.2. manual gearbox1.3. automatic and semi-automatic gearbox1.4. continuously variable transmission (CVT)1.5. chain and sprockets1.6. drive shafts1.7. gear drive1.8. belts and pulleys1.9. wheel bearings, hubs and seals
2 Diagnostic methods are:2.1. sensory2.2. measurement2.3. functional testing
3 Equipment is:3.1. diagnostic and rectification equipment for mechanical transmission systems3.2. diagnostic and rectification equipment for electrical transmission systems3.3. specialist repair tools
3.4. general workshop equipment
4 Faults are:4.1. mechanical4.2. hydraulic4.3. electrical and electronic
5 Rectification activities are:5.1. dismantling5.2. repair and replacement of units and components5.3. adjustment of units and components5.4. reassembly5.5. functional testing
Scope Performance
Scope Knowledge
Values
Behaviours
Skills
Glossary
This section contains examples and explanations of some of the terms used but does not form part of the standard.
*
Agreed timescales
Examples include manufacturer’s recommended work times, job times set by your company or a job time agreed with a specific customer
Diagnostic information
This relates to mechanical condition, including wear, run out and any electrical measurements
Functional testing
Examples include performance testing and road testing where relevant
Motorcycles
In this standard the term ‘motorcycle’ includes motorcycles, scooters, mopeds and motorcycle-derived vehicles with three or four wheels (such as quad bikes) on which the rider sits.
Recommendations
Examples include servicing, dismantling for further inspection and test, repair and replacement
Sensory diagnostic methods
These may include looking, listening, smelling and touching for heat.
Transmission Area
Clutch assemblies, clutch operating systems, gear boxes, drives, hubs and final drive assemblies
Transmission and driveline system faults*
These are faults that require a two or more-step diagnostic activity using a prescribed process or format to identify the cause
Links To Other NOS
External Links
Version Number
3
Indicative Review Date
2024
Validity
Current
Status
Original
Originating Organisation
IMI Ltd
Original URN
MC12
Relevant Occupations
ATV Diagnostic Technician, Engineering, Motorcycle Diagnostic Technician, Vehicle Trades
SOC Code
5231
Keywords
Motorcycle; ATV; diagnose; rectify; transmission; driveline; system; faults; clutch; remove; replace; hubs; bearings