SOHC.co.uk Forums > CB500/550

Chains and sprockets

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JustcallmeMrT:
So what (if any) is the advantage of changing sprocket tooth number?  I'm not saying I want to, I just want to know why people do it - anyone feel like explaining the theory behind it?

Johnwebley:
the standard sprockets are 17 and 34,= 2 to one ratio,

 the 500 has always had a high top gear,like an overdrive,

 in my case,I use a 4.00 x 18 rear tyre,which is bigger than the standard 3.50 x 18,which again raises the gearing,blunting acceleration,
and making it feel sluggish,

by using a 16 tooth gear sprocket,it lowers the ratios by about 5%,

improving rideability,acceleration and makes the bike more fun,also takes some load off the motor,

this is my personal opinion,

SteveD CB500K0:
Smaller gearbox sprocket (or larger rear sprocket = lower hearing so more revs for a given speed. In theory, more acceleration.

Larger gearbox or smaller rear = lower revs for a given speed so more relaxed cruising (until you come to a hill)

If you own an R1 or a Panigale, go for it. Otherwise, Mr Honda knew best.

Steve


Sent from my iPhone using Tapatalk

mike the bike:
Honda have done the development on their bikes and have calculated the optimum sizes for the sprockets.   Some riders prefer different characteristics,  such as better acceleration versus top speed or more top speed v not so good acceleration.   Unless you're fitting a sidecar there's no real need to alter things. Some people just like "experimenting "

JustcallmeMrT:
Got it.  Thanks gents!  Fantastic as always.  Some pics soon to follow - slowly making progress on this build!

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