Not legal 3 classes
No fuel-injection allowance exists for Ski · GP3.
- Ski Division GP3
- Ski Juniors GP3.2 · borrows another class
- Ski Juniors GP3.3 · borrows another class
UIM · Fuel
Aftermarket fuel injection system
GP2 is the first class in either division to allow it.
Where it stands, class by class
19 classes, grouped by the answer rather than listed one by one, because an answer that holds for a class usually holds for every class that borrows its rules. 5 of them publish no component rules of their own and are marked below; for those, the link to the parent class is read from the categories table rather than stated in the rulebook.
No rule, this is an open class Our reading, not a rule we can quote at you. This class carries no stock clause at all, so anything unlisted appears to be open. The rulebook does not say so in terms.
Not legal 1 class
Aftermarket fuel injection is NOT permitted in Runabout GP3 - the concession starts at · GP2.
Governed by the parent class 8 classes
No component rules are published for this class and no single parent class is named, so this part cannot be answered for it. That is an absence in the rulebook, not a permission.
- Endurance · 317.03
- Freestyle Amateur · 312
- Freestyle Free · 312
- Jet Raid · 317.01
- Offshore · 317.02
- Parallel Slalom · 313
- Ski Future Electric (SFE) · 302.01
- UIM Hydro-Fly · 900
Legal, within limits 1 class
Same conditions. · 502.03.05-03
Legal, within limits 1 class
Permitted subject to SAE J30R9 high-pressure hose, A.N. threaded fittings or equivalent with non-removable crimped clamps, metal-type filters only on the high-pressure side, and a fuel pump that stops automatically when the engine shuts off. · 501.03.05.03
No rule, this is an open class 3 classes
No induction article.
- Ski Division GP1 · 501.04
- Ski Ladies GP1 · 314 · borrows another class
- Ski Veterans GP1 · 302.01.05 · borrows another class
No rule, this is an open class 2 classes
No article.
- Runabout GP1 · 502.04
- Runabout Veterans GP1 · 302.01.05 · borrows another class
Aftermarket fuel injection system: if the rule your class applies reads differently to you, or the rulebook has changed since this was read, ask. We answer with the section we read it from, or that we have not read it. Ask a rules question.
Every UIM class · where the rulebooks differ · signed checks on parts the shop sells.
Fuel · two stroke · legal outright in 2 of 19