As others have mentioned, there's a small drain plug and it also has a copper crush washer. They recommend a new washer whenever replacing the plug, but I've re-used mine several times and have no leaking or seeping issue. Stark does a great job with their service videos, it's worth it to go...
My first oil change was at 3hrs, 44min. The stuff that came out looked nothing at all like oil, it looked like melted ice-cream. You might want to consider being more proactive than I was, and invest in the liter I mentioned.
Probably a bit too far unrelated, but I'm gonna tell this story anyway...
Several years ago I was courted by Buell Motorcycles to interview for the position of manufacturing/engineering and design lead for their new line of bikes (to be built overseas - China and India!) They set me up with...
I was thinking about this program (still sorta am, just for fun). But, now imagine yourself roosting around in your CA residential area on your VERY MUCH appearing "dirt bike" and also having a Montana plate on it. Doesn't that just beg for a bad situation?
What kind of range are you getting on your EX while road riding? I've run SM wheels on my MX and was very disappointed with how far I could go at 65-70 mph.
Or, just CHECK gear oil. If there's nothing in there, I'm sure it would be loud. FYI, I run Mobil1 full synthetic 75w-90 and change my oil every 4 to 5 hours of riding.
I've got a lot buddies that all have EX's on order that are NOT gonna like this. Most have ridden my bike (2024 Alpha) and remark how loud the whine is.
I'm running a stock length chain and found the 12/49 combo to be pretty similar to stock (which on my 2024 Varg Alpha was 14/47) for wheelbase. When I ran the 13/49 I was rubbing the mudflap enough to leave marks from the knobby tire, but I appreciated the even shorter rear-to-center. Note here...