Topic: A rebuild is looming; which one? CB650 or CB550? VIDEO ADDED

[Scott S]

 Video.

CB500/CB650 with proper carb synch

[Tews19]

No more clunking! But do I hear a rattle? May just be the video.... How does she run now? Any different?

[Scott S]

 Yeah, that's the came chain and/or valve noise I was asking about. I'm confident the valves are right. I can only loosen the cam chain nut, turn the engine clockwise and re-tighten the nut. Then hope the adjuster is working and the chain isn't stretched.  Runs great.  VERY strong and gets good gas mileage.

[iron_worker]

Sounds pretty healthy to me! I say run it.

IW

[grasscutter]

I'm curious...Does the sound go away when you pull in the clutch lever?
Do a 'clutch in and out' test, when engine is cold and warm, and report back.

[Scott S]

I'm curious...Does the sound go away when you pull in the clutch lever?
Do a 'clutch in and out' test, when engine is cold and warm, and report back.

 Are you referring to the clunking noise in the first video? Or to the cam chain/valve-ish noises in the last video?
 The clunking is gone, solved by synching the carbs. I'll report back on the other.

[Tews19]

I think GC may be referring to the ticking noise now..

[Scott S]

I'm curious...Does the sound go away when you pull in the clutch lever?
Do a 'clutch in and out' test, when engine is cold and warm, and report back.

 No, the sound does not go away when the clutch is pulled in.I'm guessing can chain. Bike runs amazing.