Not legal 3 classes
Explicitly prohibited by this class.
- Runabout GP4 · 502.01
- Runabout Juniors GP4 · 302.01 · borrows another class
- Runabout Ladies GP4 · 302.01.01 · borrows another class
UIM · Driveline
Titanium driveshaft, impeller housing or stator vane assembly
A material rule, not a part rule.
Where it stands, class by class
24 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. 8 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.
Not permitted, not listed in the rules Our reading, not a rule we can quote at you. This class requires the craft to stay stock except where the rules allow otherwise, and this part is not on the list.
Not legal 2 classes
Moot - no transmission modification at all.
- Ski Division GP4 · 501.01
- Ski Juniors GP4 · 302.01 · borrows another class
Not legal 1 class
502.03.09-03
- Runabout GP2 · 502.03
Not legal 1 class
Titanium driveshafts, impeller housings or stator vane assemblies are prohibited. · 501.03.09
Not permitted, not listed in the rules 4 classes
Not listed in this class. Illegal under the class's own stock clause.
- Runabout GP3 · 502.02
- Ski Division GP3 · 501.02
- Ski Juniors GP3.2 · 302.01 · borrows another class
- Ski Juniors GP3.3 · 302.01 · borrows another class
The rules do not say 3 classes
Not restated for GP1. Whether the prohibition carries over into an open class is not stated.
- Ski Division GP1 · 501.04
- Ski Ladies GP1 · 314 · borrows another class
- Ski Veterans GP1 · 302.01.05 · borrows another class
The rules do not say 2 classes
Not restated for · GP1.
- Runabout GP1
- Runabout Veterans GP1 · borrows another class
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
Titanium driveshaft, impeller housing or stator vane assembly: 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.
Driveline · two and four stroke · legal outright in 0 of 24