Thousands of motorcycles took part in a slogan that read something like "Gas for Christ".
Bolsonaro has begun to take the initiative for several similar rallies ahead of next year's election and is criticized by dissidents who believe he provocatively defies the orders during the pandemic.
At the motorcycle parade, he did not wear a mask, as the rules require.
He also strongly questioned that vaccinated people can spread the virus further.
São Paulo Governor João Doria regularly clashes with the president and warned him to organize the gathering.
When Bolsonaro did so, the fine was issued.
The president and many of Brazil's governors have been embroiled in controversy throughout the pandemic.
More than 485,000 covid victims have died in the country.