TECHNICAL RULES MOTOCROSS (INCLUDING RULES FOR ... - FIM

19.01
The minimum weights are:
for the 65 cc class Up to 65cc – 2T 53 kg
for the 85 cc SW class
(small wheels)
for the 85 cc LW class
(large wheels)
65cc up to 85cc - 2T 63 kg
100cc up to 150cc - 4T 71 kg
65cc up to 85cc - 2T 65 kg
100cc up to 150cc - 4T 73 kg
for MX1 motorcycles 175cc up to 250cc - 2T 98 kg
290cc up to 450cc - 4T 99 kg
for MX2 motorcycles 100cc up to 125cc - 2T 88 kg
175cc up to 250cc - 4T 95 kg
for MX3 motorcycles 290cc up to 500cc - 2T 102 kg
475cc up to 650cc - 4T 102 kg
A 1 % tolerance in the weight of the machine after the race is accepted.
19.03
Seals (in metal or plastic) must be fixed to the front main frame.
19.04
Weighing scales must be certified annually by a National Institute.
19.05
For Groups B1 and B2 at all competitions a passenger must be carried.
01.21 DESIGNATION OF MAKE
When two manufacturers are involved in the construction of a motorcycle, the name
of both must appear on the machine as follows:
The name of the chassis manufacturer
The name of the engine manufacturer
01.23 DEFINITION OF A PROTOTYPE
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