SOHC.co.uk Forums > CB500/550

What length chain do you CB500 owners fit: 98 or 100 links?

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Bryanj:
The reason the rear sprocket size changed on the 550 is because the primary drive ratio changed and not for any esoteric reasoning of chain to sprocket ratio

Oddjob:
Got to say I disagree with that Bryan. At the time the 550 was in real competition with stuff like the GT550 and the kwack 500 and most of the motorcycle mags tended to be fixated on standing quarter times, so Honda tried to counter that with a bigger sprocket to get that time down.

That’s my take on it.

Bryanj:
Ken, if you look at the overall ratio the 500 and 550 are almost identical

deltarider:
I have the feeling I have not been able to communicate what I meant. There are two things: if a bike can do it with a 98 links chain, why not. The second is: after some time not all links are equal in souplesse. From a designer's pov, you don't want that less supple link to hit the very same spot on a sprocket every rotation (hammering effect). Better is to have it arrive at all spots in turns, so the wear is spread evenly.

Bryanj:
A98 link wont fot with the 37 tooth rear

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