Is this sprocket too worn? - SV650.org

DomP · 11-02-18, 07:44 PM

Can't decide whether to change this sprocket on my Daytona or whether it's got some life left. What do you think?

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Red ones · 11-02-18, 07:55 PM

Does the chain need replacing?

DomP · 11-02-18, 07:56 PM

Quote:

Originally Posted by Red ones

Does the chain need replacing?

No the chains good, bikes only done 8973miles

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Red ones · 11-02-18, 08:04 PM

Tbh I'd leave it until the chain needs doing, and then do both

DomP · 11-02-18, 08:39 PM

Quote:

Originally Posted by Red ones

Tbh I'd leave it until the chain needs doing, and then do both

That's exactly what I wanted to hear!

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11-02-18, 08:48 PM

Ditto, it'll last until chain needs doing.

embee · 11-02-18, 10:08 PM

Maybe a different approach.....
How much does a front sprocket cost and can you do it yourself? If it's maybe £15/20 for a JT or similar and it increases the life of the chain significantly it might be cost effective to change it. If you need to pay to have it done then probably not cost effective.
It's visibly worn, and it tends to give the chain a harder time once it gets significantly out of shape. The refinement also tends to start suffering.
Just a thought.

DomP · 11-02-18, 10:23 PM

Quote:

Originally Posted by embee

Maybe a different approach.....
How much does a front sprocket cost and can you do it yourself? If it's maybe £15/20 for a JT or similar and it increases the life of the chain significantly it might be cost effective to change it. If you need to pay to have it done then probably not cost effective.
It's visibly worn, and it tends to give the chain a harder time once it gets significantly out of shape. The refinement also tends to start suffering.
Just a thought.

Yeah worth considering I suppose, I hate cracking front sprocket nuts off!

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glang · 11-02-18, 11:27 PM

I always think that chain and sprockets wear as a set (logical when you consider that as one item wears the load is transferred onto the next so that wears faster and so on) so if any one component is changed its replacement will just wear rapidly until equilibrium is reached again....

DomP · 11-02-18, 11:32 PM

Quote:

Originally Posted by glang

I always think that chain and sprockets wear as a set (logical when you consider that as one item wears the load is transferred onto the next so that wears faster and so on) so if any one component is changed its replacement will just wear rapidly until equilibrium is reached again....

Surely a front sprocket wears around 3 times faster as it has for example 16 teeth as opposed to the rears 40 odd so it each tooth contacts the chain three times for every one of the rears.

Just my take on it.

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11-02-18, 07:44 PM	#1
DomP Member Join Date: Oct 2014 Location: Kington Herefordshire Posts: 916	Is this sprocket too worn? Can't decide whether to change this sprocket on my Daytona or whether it's got some life left. What do you think? Sent from my SM-G903F using Tapatalk __________________ Black 2010 SV650S Fully faired White 2011 YZF R125 sold

11-02-18, 07:55 PM	#2
Red ones Member Mega Poster Join Date: Jul 2003 Location: Hertfordshire Posts: 1,422	Re: Is this sprocket too worn? Does the chain need replacing?

11-02-18, 08:04 PM	#4
Red ones Member Mega Poster Join Date: Jul 2003 Location: Hertfordshire Posts: 1,422	Re: Is this sprocket too worn? Tbh I'd leave it until the chain needs doing, and then do both

11-02-18, 08:48 PM	#6
andy650 Guest Posts: n/a	Re: Is this sprocket too worn? Ditto, it'll last until chain needs doing.

11-02-18, 10:08 PM	#7
embee Member Mega Poster Join Date: Jul 2003 Location: Warwickshire Posts: 2,804	Re: Is this sprocket too worn? Maybe a different approach..... How much does a front sprocket cost and can you do it yourself? If it's maybe £15/20 for a JT or similar and it increases the life of the chain significantly it might be cost effective to change it. If you need to pay to have it done then probably not cost effective. It's visibly worn, and it tends to give the chain a harder time once it gets significantly out of shape. The refinement also tends to start suffering. Just a thought. __________________ "Artificial Intelligence is no match for natural stupidity"

11-02-18, 11:27 PM	#9
glang Member Join Date: Oct 2007 Posts: 600	Re: Is this sprocket too worn? I always think that chain and sprockets wear as a set (logical when you consider that as one item wears the load is transferred onto the next so that wears faster and so on) so if any one component is changed its replacement will just wear rapidly until equilibrium is reached again....

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