Technical Regulations 2020
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Technical Regulations 2020 Published on November 28, 2019 AIM • The aim of the European Endurance Legend Cup (EELC) is to enable all European classic race machines built up to and including December 1986 to race together in a true European classic endurance series. • Machines in all classes must have a classic period appearance and have a minimum engine size of 349cc. All machines will be eligible to race in the EELC with their home race club certification (Eligibility Certificate) or single event EELC eligibility. OVERARCHING CONTROL OF REGULATIONS • The interpretation of these regulations is entirely the province of the Series Organisers whose decisions on any matter concerning these regulations must be considered final and binding. • The Series Organisers reserve the right, in exceptional circumstances, to accept the entry of a motorcycle, which does not exactly comply with these regulations if they think that the bike will add significant value to any of the series events. Such machines may be eligible for awards but will not be eligible for Championship points. CONFORMITY • Any breach of these rules unless rectified before the start of any race, will be sanctioned by the disqualification of the team concerned for the event during which the infraction will be noted. The Jury's decision is irrevocAble And binding. TECHNICAL REGULATION 2020 [email protected] 1 CLASSES CLASSIC: 31/12/1968 to 31/12/1981 Engine 4-T air-cooled only 2-T air or water-cooled 2-Valve engine displacement limited to 1300cc 4-Valve engine displacement limited to 1000cc ECU Is free Clutch Is free Frame Original or original modified, NO aftermarket non road registered Fork 38mm maximum diameter, Original only from manufacturer, can be braced with period Swing arm modifications Master Cylinder Front: Axial with attached reservoir / tank Brake Rotor Semi-Floating, 300mm maximum diameter Front brake Axial, 2 callipers, 2 pistons per calliper maximum Rear brake Axial, 1 calliper, 2 pistons maximum Front wheel 16 or 18 inch x 3.00 Rear wheel 16 or 18 inch x 4.00 120mm maximum Front Tyre width Doted Only. No slick, Rain or re-cut 150mm maximum Rear Tyre width Doted Only. No slick, Rain or re-cut MAXI-CLASSIC: 31/12/1975 to 31/12/1984 Engine 4-T air-cooled only 2-T air or water-cooled Displacement limited to 1300cc ECU Is free Clutch Is free Frame Original, original modified or aftermarket Fork 42mm maximum diameter, Swing arm The original or replacement by period equipment is authorised Master Cylinder Front: Axial with attached reservoir / tank Brake Rotor Semi-Floating, 310mm maximum diameter Front brake Axial, 2 callipers, 2 pistons per calliper maximum, Rear brake Axial, 1 calliper, 2 pistons maximum, Front wheel 16 or 18 inch x 3.00 Rear wheel 16 or 18 inch x 4.00 120mm maximum Front Tyre width Doted Only. No slick, Rain or re-cut 150mm maximum Rear Tyre width Doted Only. No slick, Rain or re-cut TECHNICAL REGULATION 2020 [email protected] 2 FORMULA: 31/12/1975 to... General Engine Engine cooling by air, oil or water ECU Is free Carburettors Diameter and model are free Clutch Is free Bodywork Silhouette of factory model, single seat cover or single seat race Starter Starter motor and charging system must be fitted and working, Fork 43mm maximum diameter, NO Up Side Down Master Cylinder Axial with separate reservoir / tank Brake Rotor Floating, 320mm maximum diameter, Front brake Axial, 2 callipers, 4 pistons per calliper maximum Rear brake Axial, 1 calliper, 2 pistons per calliper maximum Front wheel 16, 17 or 18 inch x 3.50 Rear wheel 16, 17 or 18 inch x 5.50 120mm maximum Front Tyre width Doted Only. No slick, Rain or re-cut 180mm maximum Rear Tyre width Doted Only. No slick, Rain or re-cut Air Cooled: > 31/12/1989 4-Cylinder 750cc engine tuning is Authorized for Air/Oil Cooled Engine Engines. (Bore max manufacturer oversize), 2-Cylinder, 2 Valves engine displacement is limited to 999cc Frame Original or modified (NO aftermarket, i.e. TT frame) Swing arm The original or replacement by period equipment is authorised Liquid Cooled: > 31/12/1986 4-Cylinder: Standard manufacturers engine only for Liquid Cooled Engine Engines, limited to 750cc displacement (Bore max manufacturer oversize), (VFR-750F RC24 I & II, GPX-750R) Frame Original only, can be braced with period modifications Swing arm Original only, can be braced with period modifications TECHNICAL REGULATION 2020 [email protected] 3 OPEN: 31/12/1975 to 31/12/1989 2, 3 or 4 Cylinders. Engine Engine cooling by air, oil or water ECU Is free Clutch Is free Starter Starter motor and charging system must be fitted and working, Displacement Air/Oil Cooled engine: Displacement is limited to 1300cc Water Cooled engine: Displacement is limited to 999cc (+/-0,5%) Carburettors Model is free, the carburetor diameter inlet is limited to 41mm Frame Original, original modified or aftermarket Fork 43mm maximum diameter, No Up Side Down The original or replacement by period equipment is authorised. Swing Arm Swing arms after 1989 are NOT authorised. Master Cylinder Front: Axial, reservoir / tank is free Brake Rotor Floating, 320mm maximum diameter, Front brake Axial, 2 callipers, 4 pistons per calliper maximum, Rear brake Axial 1 calliper, 2 pistons per calliper maximum, Front wheel 16, 17 or 18 inch x 3.50 Rear wheel 16, 17 or 18 inch x 5.50 120mm maximum, Front Tyre width Doted Only. No slick, Rain or re-cut 180mm maximum Rear Tyre width Doted Only. No slick, Rain or re-cut TECHNICAL REGULATION 2020 [email protected] 4 ENGINES • Engines are preferred to have working starter motors and generators, • Any machine not having a working starter motor will start at the back/rear of the grid irrelevant of the team’s qualification time, • Type of eligible engines are defined in Appendix 3, • Internal modification and tuning are free, • Aftermarket clutch springs, plates, radiators and oil filters are allowed, • It is mandatory to preserve the particularities of the series models such as the number of cylinders, the number of gear ratios (free for OPEN class), the number of camshafts, etc... • The engine crankcases must remain similar with the original. 750 crankcase may be used in any classes. Internal modifications to these housings are permitted (Appendix 3), • The cylinder block, cylinder head and cylinder head cover must correspond to the original model of the engine, • Billet cylinder heads and blocks are prohibited. “cast big block” (like Gorilla blocks) prohibited, • The bore and stroke dimensions will be engraved (not pencilled) on the right side of the crankcase. (Bore x Stroke in mm, i.e. 75.0 x 53.0) • The addition of a pump to create a vacuum in the crankcase is forbidden, • Protection must be installed on ignition, oil-clutch and free-wheel covers in the event of a fall or slipping, • Material and minimum thickness will be: stainless steel (3mm), aluminium (4mm), Kevlar (4mm). Plastics mix or Carbon fibre are forbidden, CLUTCH • The original clutch can be changed or replaced, • No electric source may be used for clutch operations, • The clutch system (in oil bath or dry – All Classes) and its control (cable / hydraulic – Formula & Open) are free, TRANSMISSIONS • All gears, shafts, shift drum and shift forks are free, • The gearbox output gear shall be covered by a metal guard, • A metal casing must completely cover the primary chain on motorcycles with a separate box, • It is mandatory to install a protection (sharks fin) made of plain plastic, (minimum = L : 160mm, H : 60mm, D : 5mm) between the lower part of the chain and the crown / rear sprocket, IGNITION /CONTROL UNIT (ECU) • The ignition control unit software can be replaced or flashed on all classes except FORMULA liquid cooled engines where ECU ignition unit must be original and can not be flashed, • The ECU location can be changed (changed places), • Spark plugs, spark plug connectors and power leads can be replaced, • Direct coils are not allowed (inserted in the candle cap - Stick coils), CARBURETTORS • Carburettors must be of a type used within the 70-80’s, • Flat slide carburettors can only be fitted to FORMULA and OPEN classes • Injection or forced feeding (turbo/supercharger) of any type is forbidden, • Air box can be removed and carburettors re-jetted (all classes), • TPS: Sensors in the throttle called the throttle position sensors that communicate with the engine management system ARE FORBIDDEN. TECHNICAL REGULATION 2020 [email protected] 5 FORKS • The period look of forks and fork yokes must be maintained, • Diameter restriction of size is detailed in this document (entry tables), • The use of upside-down forks is forbidden, • Fork tubes/slider to be plain in appearance, • No replacement suspension system or electronically controlled prototype can be used, • The steering damper can be added or replaced by an accessory damper and cannot act as a steering angle limitation device, • Cartridge kits to forks are accepted, SHOCK ABSORBERS • A modification of the angle of the dampers is allowed, • The rear damper(s) can be replaced, but an identical system should be used (double or single, Cantilever...), • No replacement suspension system or electronically controlled prototype can be used, FRAMES • Original manufacturers standard frames are permitted in all classes, • Standard frames can be braced with period modifications, • Aftermarket frames are allowed in MAXI CLASSIC and OPEN classes (Appendix 1), SWINGING ARMS • The period look of swinging arms must be maintained, • The original or replacement swing arm must match the vintage model for CLASSIC and FORMULA motorcycles, • Period style bracing is permitted, • The original or replacement swing arm must comply with period equipment for MAXI-CLASSIC and OPEN.