For a clearer understanding about “Pro Ski GrandPrix” that we use “IJSBA MODIFIED RULE 2018 mixed with GP”, these following skis are allowed for this class:

Aftermarket Hulls           : 2Stroke MAX. 1,300cc.
: 4Stroke MAX. 1,500cc.
: 4Stroke forced induction MAX. 900cc. with 8psi.
: 4Stroke forced induction MAX. 1,100cc. with 6psi.

Kawasaki sxr 1500         : MAX. 1,500 cc. N/A with OEM hulls

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For “Junior 14-15 Ski Stock”, you can use “IJSBA Ski Stock RULE 2018”
but in case you use Kawasaki sxr 1500, you have to use IJSBA restrictor plate.
Remark – You can buy IJSBA restrictor plate with IJSBA only.

JET SKI WORLD CUP
19 September 2018