SOHC.co.uk Forums > CB500/550

500 4th gear AWOL

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jcknapp:
I had this problem happen to me a year ago on my 500. I think you are talking about a 500 correct? What happened to mine was the needle bearing broke on the inside sending steel in my clutch basket and everywhere else which caused the clutch to rattle. You could still get it into gear but it was destroying everything. I took off the basket and everything, looked around and saw the bearing that was shattered. This little guy is notorious for overheating because of the poor oil circulation by it which was later improved with the 550 engine. So hopefully its not this, because if it is you got to drop the engine, pull it apart, replace the little guy (inexpensive) and completely clean out the transmission and clutch box. Otherwise if there are little pieces of metal in that you will most likely be paying for it later.  This is just a hunch. Maybe Im completely wrong with your problem.

Tomb:

--- Quote from: jcknapp on March 01, 2012, 04:39:49 AM ---I think you are talking about a 500 correct?
--- End quote ---
Yup

Thanks for the info lads, I was planning a strip down anyway so its not a huge job. I've just undercut the gearbox dogs on my Yamahahaha and just taxed it (online, yippee) so the little Honda can have a well deserved break. I have a donor 550 engine which I'd like to try out so ideal opportunity

I suspect the dogs coz everything else works just fine and I've been using the bike for the work run for that last month+ still

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