[mattv]

Nice looking bike, I like the color 👍

You have a 15T front sprocket: 2022 Kawasaki Ninja 650 ABS (EX650MNFAL) Transmission | Babbitts Kawasaki Parts House

I like using this site to see how adjusting ratios will affect rpm, speed, chain wear, etc: Gearing Commander - Motorcycle Speed and Drive Train Calculator v7

 

[mattv]

Best I can do is from a 2017 service manual. I'd suggest getting a service manual for the 22. My guess is they're the same, but that's just a guess:

Kawasaki Ninja 650 Service Manual (Page 30 of 718) | ManualsLib

www.manualslib.com

122 ft-lbs! I wasn't able to get my Z650 sprocket off with a pretty good sized breaker bar, just wouldn't budge. Borrowed an electric impact driver, came off with no trouble.

 

[mattv]

No, I think I recommended it as an alternative before finding out they don't support the most recent models. It's a bummer.

This might be the thread you're thinking of: Euro 4 or Euro 5?

Just my two cents, though, using it is a risk as it's not approved for the current models.

 

[mattv]

Since we are talking fuel boosters, what is your opinion in O2 eliminators? They claim a +3% in fuel enrichment across the board. I like the sound of that.

Honestly don't have any experience with O2 eliminators. Looks like a resistor in acrylic: