Any ideas on what this could be?
Welcome to r/SubaruImpreza! 🚗 Join our community of Subaru Impreza enthusiasts. Discuss all things Impreza, share your ride, get maintenance tips, and find advice on performance mods and DIY projects. Whether you own an Impreza or just love these cars, you're welcome here. Let's share our knowledge and passion for Subaru Imprezas together.Knocking sound coming from 2007 grand cherokee?
All stuff Jeep related: tech articles, pics, and adviceOnly one cylinder firing on '81 xv750
Yamaha Motor Company produces motorcycles, all-terrain vehicles, boats, outboard marine engines, automobile engines, personal watercraft and snowmobiles. We are not affiliated with Yamaha, we’re just a community of enthusiasts and Yamaha owners. https://discord.gg/AcB7YvevPut my battery in backwards, help!
Yamaha Motor Company produces motorcycles, all-terrain vehicles, boats, outboard marine engines, automobile engines, personal watercraft and snowmobiles. We are not affiliated with Yamaha, we’re just a community of enthusiasts and Yamaha owners. https://discord.gg/AcB7YvevWhat is this liquid on my intake valve?

Yamaha Motor Company produces motorcycles, all-terrain vehicles, boats, outboard marine engines, automobile engines, personal watercraft and snowmobiles. We are not affiliated with Yamaha, we’re just a community of enthusiasts and Yamaha owners. https://discord.gg/AcB7Yvev
What is this right here? I need help identifying the cracked piece

Yamaha Motor Company produces motorcycles, all-terrain vehicles, boats, outboard marine engines, automobile engines, personal watercraft and snowmobiles. We are not affiliated with Yamaha, we’re just a community of enthusiasts and Yamaha owners. https://discord.gg/AcB7Yvev
What is a good routine for recovering from a broken back?
The official subreddit community for the Youtube channel More Plates More Dates.What guitar is this?

For all fans, owners & players of Jackson, Charvel and Charvette guitars. Even if you play some other brand and just want to participate in the conversation, you are welcome to join.