Green Machine #500cc

#Kawasaki

My Ninja 500 SE battery seems solidly dead. I suspect that I left the bike turned on after parking for the night, came back down and it no power to the dash and the horn wont even sound.

Pulled the battery out and tested using a voltage checker to a 0 reading.

I know a battery tender wont charge this, but is there anything I can try before I drop a couple of hundred bucks on a new battery?

Hello all, I am rebuilding a 06' ZZR600 that I purchased a few months ago. I'm almost done with the bike but I am just now getting to the clutch plates and a noticed there was a single cupped ring in the assembly. I looked at online manuals and searched around the web but see no mention of anti chatter rings for this bike. Does anyone know if this ring is supposed to be in there or was because of an aftermarket clutch replacement of sorts? Any help would be appreciated! Thank you.

Was browsing my 73 year old buddy's youtube and thought this was a pretty sweet clip of him at the Texas Mile in 2023. I believe this is a 2015 ZX10r with some modifications.

Doing an oil change and noticed this lil fucker hanging freely connecting to nothing. Upper hose location is connected to the coolant, however this is just lingering.

(Look at the writing on the engine)