Street motorbikes class 1 (SM1)

Modifications allowed on original manufacture basis

Max Wheel base 64 (From 2014 aftermarket swingarm not allowed)
Air/electric semi auto operated gear shifts (not automatic)
Any engine modifications on normal aspiration basis (bore and stroke standard)
Aftermarket exhaust (excluding sidewinder type)
Shift light
Remove mirrors
Piggy back devices for fuel and ignition maps modifications
Motorcycle height not less than 25mm clearance from the lower part to floor with full compressed suspension


Super Street motorbikes class 2 (SS2)

Modifications allowed on original manufacture basis

Max wheel base 68 (From 68 to 70 wheelbase allowed for manual hand clutch) (aftermarket swingarm allowed)
Air/electric semi or fully automatic operated gear shifts
Aftermarket gear ratios & material
Any engine modification on normal aspiration basis
Any type of aftermarket clutch operation system
Aftermarket or modified body panels
Aftermarket exhaust system
Shift light
Aftermarket piggy back or standalone devices for fuel and ignition maps modifications
Aftermarket suspensions components
Aftermarket wheels
Remove mirrors
Motorcycle heights not less than 25mm clearance from the lower part to floor with full compressed suspension


Street modified motorbikes class 2 (SM2)

Modifications allowed on original manufacture basis


Max wheelbase 68
Air/electric semi auto operated gear shifts (not automatic)
Any internal engine modifications including turbocharger, supercharger system or any blowers or gas additives system
Aftermarket exhaust
Shift light
Remove mirrors
Piggy back devices for fuel and ignition maps modifications on fuel injection motorcycles version and aftermarket standalone decive for carb to injection conversion motorcycles
Motorcycle height not less than 25mm clearance from the lower part to floor with full compressed suspension
Mix and match oem parts only

CLUTCH: Slider clutches and lock-up clutches of any kind are NOT ALLOWED. Clutch baskets, inner hubs,spacer,standoffs,slave cylinders, and pressure plates can be switched between different year motorcycles. Billet clutch baskets and inner hubs are permitted. Modification of clutch to eliminate factory style back-torque cam assembly is permitted.


Super street motorbikes class 1 (SS1) [PRO STREET]

Modifications allowed on original manufacture basis


Max wheel base 68 (aftermarket swingarms allowed)
Aftermarket Suspension components
Air/electric semi or fully automatic operated gear shifts
Aftermarket gearbox parts & material
Aftermarket clutch operation system

Any internal engine modifications including turbocharger, supercharger system or any blowers or gas additives system
Aftermarket exhaust
Shift light
Remove mirrors
Motorcycle height not less than 25mm clearance from the lower part to floor with full compressed suspension
Aftermarket or modified seat, body parts and fuel cell
Piggy back or aftermarket standalone devices for fuel and ignition maps modifications power controllers
Aftermarket wheels


Open

Motorcycles should have


Height not less than 25mm clearance from the lover part to floor with full compressed suspension
Chain guard
Lenyard switch
Rear light


Bracket Class

Motorcycle should have


Height not less than 25mm clearance from the lover part to floor with full compressed suspension
Chain guard
Lenyard switch
Rear lights


On behalf of the MDRA Committee

Joe Briffa