I received a couple different oil filler plugs (or caps, if you’d like), so I thought I’d compare them.
The stock Triumph oil filler plug:
The first contender, the LC Fabrications oil cap:
And the second, the Joker Machine oil filler plug:
Both are aluminum, very well machined and come with O-ring. Let’s compare both in place against the stock oil cap:
Both the LC Farbrications and Joker Machine are big improvements over the stock Triumph cap, aesthetically and functionally. Removing them, the stock cap requires a quarter, the LC Fab a 19mm wrench, and the Joker Machine a hand. For me, this is a big plus for the Joker Machine plug. Aesthetically, the LC Fab is cool with the finned design but overall, I prefer the Joker Machine with its holes and lower profile. Holes vs fins, it’s all subjective.
I’m sticking with the Joker Machine. I’ll be changing the oil every 3000 miles, so being able to remove it by hand will make the process a little bit easier.
Large diameter coin
19mm wrench or crescent
Update, 2015.05.03: In the comments, Joey commented on the Joker Machine plug not being a perfect fit. I went back and took a closer look and sure enough, he’s spot on. You can see in the following photo that the diameter is 1-2mm too small.