MiniTwins Championship Regulations 2018 (cont.)
3.1 Wheels must remain as originally produced by the manufacturer at the time of sale into the dealer/distributor network for the homologated machine except for the following:
3.1.1 Wheel bearings and spacers may be modified or changed where required.
3.1.2 The speedometer drive may be removed and replaced with a spacer.
3.1.3 Refinishing of wheel rims to a suitable standard is acceptable.
3.2 Front and rear wheel axles must remain as originally produced by the manufacturer for the homologated machine. Modifications can be made in order to accept safety retention devices.
4.1 Front and rear brake discs may be changed but must fit the original calliper and mounting. The outside diameter must remain as fitted to the homologated machine. Only ferrous materials are allowed for brake discs.
4.2 Front and rear brake callipers, including mount, carrier and hanger, must remain as originally produced by the manufacturer for the homologated machine.
4.3 Front and rear master cylinders must remain as originally produced by the manufacturer for the homologated machine. Front and rear brake fluid reservoirs may be changed with aftermarket products.
4.4 Front and rear hydraulic brake lines may be changed. The split of the front brake lines for both front brake callipers must be made above the lower fork bridge (bottom yoke).
4.5 Front and rear brake pads may be changed.
5.1 All tyres must be road legal unless the race is declared wet where full wet tyres may be used. Slicks and intermediates are not permitted.
6.1 Footrest and foot controls may be replaced or relocated but brackets must be mounted to the frame at the original mounting points.
6.2 Handlebars, hand controls and cables may be altered or replaced (does not include brake master cylinder) from those fitted to the homologated motorcycle.
6.3 Engine starter switch and electric stop switch must be located on the handlebars and must be operational at post race technical inspection.
7 Fairing and Seat Unit
7.1 Fairing, mudguards and seat unit may be altered or replaced and need not conform to the homologated shape as originally produced by the manufacturer.
7.2 Windscreen, if fitted, may be replaced with transparent material only.
7.3 The original instruments and fairing brackets may be removed or replaced.
7.4 The petrol tank must remain as originally produced by the manufacturer for the homologated machine although it may be refinished if required. The position of the tank mounting points on the frame must remain as standard.
7.5 Race numbers must be black on a yellow background and displayed on the front of the bike and on both sides of the seat unit. Background and number sizes as per the ACU handbook.