[CenCO 919]

replacing coolant and brake fluid today and noticed this, again. ....Wondering if something is supposed to plug into this?

.......if not what is it for?

 

[Dario_hawk]

Pair system was removed.

PAIR System Removal and Spark Plug Replacement Tips

I removed the PAIR system on my '02 919 today, installed semi-gray's block off plates and replaced the spark plugs while I was at it. Ken's excellent directions helped me through it with no problems, thought I'd post a few of my own pictures, along with some lessons learned that made it easier...

www.wristtwisters.com

 

[CenCO 919]

That explains it. Previous owner installed the plates.- Thanks !