Aftermarket gauges and data logging, IHRA

IHRA answers this part for 29 of its classes. 10 of those answers permit the part outright and 19 permit it with stated conditions, leaving 0 that do not.

Where it stands, class by class

29 classes, grouped where the same rule gives the same answer rather than listed one by one, because an answer that holds for a class usually holds for every class that borrows its rules.

What each answer below means

Legal, with conditions: Keep it, but measure it: the rules permit this part only inside stated limits.
Legal: Keep it. The rules permit this part in this class.

Legal, with conditions 17 classes

Gauges may be modified or removed provided no hazard is created and any resulting hole is sealed. Section J permits modification and removal and never addresses adding an aftermarket instrument. · J.15

Legal, with conditions 1 class

The one class with a data-logging rule of its own. Air fuel ratio, exhaust gas temperature and detonation sensors are permitted for data logging only, and W.1.3 bans transmitting anything off a moving craft except official transponders, broadcast video and pit radio. Mirrors and speakers may be modified or removed provided seals stay intact. · W.4.1, W.1.3, W.7.1

Runabout Endurance

Legal, with conditions 1 class

AFR gauges may be installed on the exhaust but must NOT be connected to the ECU or any automatic tuning device. · BB.7.4

Runabout Limited

Legal 10 classes

Any gauges are allowed anywhere on the PWC. DD

Aftermarket gauges and data logging: 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 IHRA class · where the rulebooks differ · checks on parts the shop sells · how this site reads a rulebook.

Electrical · two and four stroke · legal in 29 of 29 answered, 19 with conditions