SKI DIVISION

 

Vintage Ski (GP4V)

• PRE 1996 2 stroke stand ups
• All Kawasaki Js300-750 models
• Yamaha FX1 & Square nose

 

Ski Mod Lites (GP3) 

• All 2 stroke stand ups with less than 850cc
• 4 stroke stand ups less than 900cc
• Kawasaki 800sxr
• Yamaha SJ Pre 08 & 08+
• Benelli Hydrospace 750cc 4T

Class Rulebook 

https://ijsba.com/wp-content/uploads/2021/08/2021-Ski-Mod-Lites.pdf

 

 

Ski Modified (GP1)

NO BEGINNERS 

• All stand ups 1500cc
• Kawasaki 1500sxr
• Kommander Gp1 1500
• Turbo 4T
• Highly modified stand ups

Class rulebook

https://ijsba.com/wp-content/uploads/2021/08/SKI-GRAND-PRIX-2021-Rules.pdf

 

 

 

RUNABOUT DIVISION

 

 

Sport/Rec Lites Runabout (GP4)   

• All 2T  less than 800cc
• All 4t N/A less than 1100cc
• Seadoo Spark, Gti 90
• Yamaha EX ( NOT EXR)

Class Rulebook 

https://ijsba.com/wp-content/uploads/2021/08/2021-Runabout-Rec-Lites.pdf

 

                                                                                  

Naturally Aspirated Runabout (GP3.2)   

• All 2T runabouts less than 1300cc
• All 4T runabouts less than 1800cc

Class Rulebook

https://ijsba.com/wp-content/uploads/2021/08/2021-Runabout-Stock.pdf

 

 

Stock Runabout (GP3)

NO BEGINNERS 

• All stock runabouts with handling and comfort modifications.
• All Seadoo 4T supercharged 
• All Yamaha 4T supercharged 
• All Kawasaki 4T supercharged   

Class Rulebook 

https://ijsba.com/wp-content/uploads/2021/08/2021-Runabout-Stock.pdf

 

 

For all rulebooks please follow the link: https://ijsba.com/ijsba-competition-rule-book/