What makes the counter shaft splines wear out premiturely?
would like to here some theories.
would a say ADV bike with no cush drive wear the shaft out quicker on the road or off?
Nana on a Hotrod
What makes the counter shaft splines wear out premiturely?
would like to here some theories.
would a say ADV bike with no cush drive wear the shaft out quicker on the road or off?
'Good things come to those who wait'
Bollocks, get of your arse and go get it
Hardcore Biker
Do you mean transmission shaft or engine balancer? I'd guess transmission so inferior materials or lack of lubrication really. Obviously abuse would accelerate wear.
If you're talking engine balance shaft the cush drive has noting to do with it because it's not part of the drivetrain but any shock load from the absence of a cush drive would be transmitted through the transmission shafts and gears to the crank before making it's way to the engine balancer.
What bike are you talking about?
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Nana on a Hotrod
Transmission drive counter shaft, the one the front sprocketts on.
XR600
i always thought it was from bad chain adjustments, miss use and aftermarket sprocketts having a harder metal there for wearing the shaft premiturely.
some one mentioned it was likely my bike would wear out more on the road than off with no cush drive which didnt sound right to me considering all the forces thats placed on the drive chain off road.
by off road i mean off the black stuff.
'Good things come to those who wait'
Bollocks, get of your arse and go get it
Hardcore Biker
So you mean the sprocket spline not the drive dog splines in the box?Originally Posted by dino3310
The shaft is case hardened, steel sprockets are not (except for the roller chain contact face).
It's very unusual to see any appreciable wear on the output shaft spline. It sounds like there's been lube and grit forming a grinding paste but that would wear the sprocket splines faster so it'd have to be an ongoing oversight.
What makes you say the splines are worn?
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Double shot!!
Sprocket loose?
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Nana on a Hotrod
when the sprockett started to ride of was a good sign
best my cam can do
'Good things come to those who wait'
Bollocks, get of your arse and go get it
Loud and Uncouth
Woa! that's BAD!
And the spline ain't too good niether.!
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Hardcore Biker
Yep. That's pretty bad. No real quick & easy solution for that!
Bugger.
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The early bird might get the worm, but the second mouse gets the cheese.
Forum whore
It's because of the Honda location method - just basically a circlip,and the sprocket rattles around wearing out the shaft...and the sprocket.
Nana on a Hotrod
new shaft going in as we type
'Good things come to those who wait'
Bollocks, get of your arse and go get it
Nana on a Hotrod
yep, i guess worn sprockets and retainers, bad chain adjustments would speed it up too.. i suppose its gonna wear eventually so previous bad maintenence would have speed the process up as well
'Good things come to those who wait'
Bollocks, get of your arse and go get it
Nana on a Hotrod
What about this, no cush drive will wear the shaft out quicker on the road than off theory
'Good things come to those who wait'
Bollocks, get of your arse and go get it
Hardcore Biker
If anything it would be the opposite as the load changes direction much more frequently off-road.
This is my signature. There are many like it, but this one is mine. My signature is my best friend. It is my life. I must master it as I must master my life. Without me, my signature is useless. Without my signature, I am useless.
The early bird might get the worm, but the second mouse gets the cheese.
Hardcore Biker
If anything it would be the opposite as the load changes direction much more frequently off-road.
This is my signature. There are many like it, but this one is mine. My signature is my best friend. It is my life. I must master it as I must master my life. Without me, my signature is useless. Without my signature, I am useless.
The early bird might get the worm, but the second mouse gets the cheese.
Flat Out Biker
My high k's Hornet 919 (~200k's) has considerable Countershaft wear.
Honda once again dont use a tapered spline just a straight cut held in place by large washer & bolt.
As sprocket is always working the spline between acceleration and overrun, so in this case there is some impressive wear.
Will post a pic later when I pull it off, but I estimate there is ~1mm of spline left.
Contributing to this wear (other than the k's).
Bike fitted with a scott oiler, so chain has been looked after and lasted a long time, close to 100k ! But this has resulted in less attention and lubrication ** to front sprocket spline.
Net result is likely an engine split and shaft replacement
** what lubricant is appropriate here ?
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