The 1988 Individual Speedway Junior World Championship was the 12th edition of the World motorcycle speedway Under-21 Championships.[1][2][3] It was the first Championship open to all nations, which was why it was renamed the World Under-21 Championship from the European Under-21 Championship.
m - exclusion for exceeding two minute time allowance • t - exclusion for touching the tapes • x - other exclusion • e - retired or mechanical failure • f - fell • ns - non-starter • nc - non-classify