So I noticed a whine through the gears ( all of them, and you can only hear it when in gear for example when I push in the clutch it stops and starts again when I release the clutch), after a research I found that's maybe the bearing behind the front sprocket. Is there a guide to dig into that bearing? Do I need to take out the entire engine?also about 4-5k km now I changed the chain and when the chain was out I checked the sprocket for play and it didn't have any. If my shaft bearing was worn normally I should have some play on the sprocket right? Or even with a worn shaft bearing the sprocket doesnt have play? Thank you all for your time.