SOHC.co.uk Forums > CB500/550
Top end refreshment
LesterPiglet:
When I got my 550 I'd only ever owned 2 strokes.
The first thing I did was fix the cam chain tensioner and regrind the valves. It's all simple enough with a Haynes manual.
Engine out/in is easy too. Lay the bike on it's side and lift the frame off it, reverse for installation.
matthewmosse:
I also recall the haynes manual said you are unlikely to ever have to replace the hy vo chain - to be fair I've a few used ones about and someplace I had a new one and I couldn't tell the difference in wear between the new and a few of the used - there were one or 2 more worn examples in my collection.
Bryanj:
Don't believe everything you read in a Haynes manual, I have come accross some real bad howlers!!! as to the Hy-Vo primary chain on the 400 its not too bad , on the 500 it wears badly and damages the main oil galleries and on the 550 the crankcases were different so the wear is not quite as bad so still there.
Same part for all 3 by the way (and a Kawasaki model I can't remember!!)
bomber:
Thank you for encouragement.
I got my gasket set and ready now to tackle it.
Monday is the day (weather permitting), will drain oil and remove engine as suggested by Lester.
Will see what other surprises are there for me.
I just remembered that first gear occasionally was popping out to neutral...
Many thanks!
matthewmosse:
I had a few engines where it poped out of 1st under load , both 500's - I'd sort it whilst you are in there f possible - on mine it took a year of commuting to get to the point where it was a royal pain, then it started doing it in 2nd too and I pulled the engine as I'm on a bit of a steep hill and it was getting 'not funny' going up the hill slipping the clutch in 3rd or poping out of gear and reving it's nutts off in 2nd every day.
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