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Old 06-19-2013, 02:39 PM   #17326
crypto666
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Nothing like a $10 part destroying a $180 part. They have a way of doing that.
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Old 06-19-2013, 02:56 PM   #17327
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Quote:
Originally Posted by crypto666 View Post
Nothing like a $10 part destroying a $180 part. They have a way of doing that.

That 180$ part will likely cost triple that to replace, if not more.
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Old 06-19-2013, 03:03 PM   #17328
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Quote:
Originally Posted by Shibby! View Post
That 180$ part will likely cost triple that to replace, if not more.

Oh yeh, thats right. You have to split the case. and as long as you are in there, notice the connecting rod bearings.........

Seriously, I would plan on replacing the c-rod while you are in there. Unless by some miracle it looks fantastic.
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Old 06-19-2013, 03:18 PM   #17329
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Cause of wear




Looks like it has had a lot of sprocket changes to cause that amount of wear.
Lots of rotation/mud or sand and long term worrying of the sprocket on the spline will likely cause the same result.
Does this tend to happen more regionally ie sandy or muddy areas, or from long term road miles.
Would be interested to know of any quantifiable data or feedback from inmates that have a lot of seat time on the XR in different areas.

Noting some wear would be expected but that does look significant

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Old 06-19-2013, 07:48 PM   #17330
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I would submit that this damage is a result of high traction conditions, ie. asphalt or concrete. Sand, mud and dirt allow the rear wheel to absorb torque pulses from the motor because of how much slip there is between the tire and adjacent surface . When there is little or no slip, torque pulses are transmitted more harshly into things like sprockets and counter shafts.

Quote:
Originally Posted by jm-2008 View Post



Looks like it has had a lot of sprocket changes to cause that amount of wear.
Lots of rotation/mud or sand and long term worrying of the sprocket on the spline will likely cause the same result.
Does this tend to happen more regionally ie sandy or muddy areas, or from long term road miles.
Would be interested to know of any quantifiable data or feedback from inmates that have a lot of seat time on the XR in different areas.

Noting some wear would be expected but that does look significant

JM-2008
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Old 06-19-2013, 07:53 PM   #17331
Jayrod1318
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Quote:
Originally Posted by cognugget View Post
Oem will fit a 15t

I suck, I thought that's the reason they sold it as a "15t" case saver.

Thanks!
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Old 06-19-2013, 10:17 PM   #17332
b45her
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Quote:
Originally Posted by dohcfox View Post
I would submit that this damage is a result of high traction conditions, ie. asphalt or concrete. Sand, mud and dirt allow the rear wheel to absorb torque pulses from the motor because of how much slip there is between the tire and adjacent surface . When there is little or no slip, torque pulses are transmitted more harshly into things like sprockets and counter shafts.
Yep the po has used this mainly for road riding. He had it from 2000 miles or so. It has had an easy life in terms of not been offroaded much but other things like the countershaft don't look too good. I plan on rebuilding and replacing this winter, would the road riding have done more internal damage do you think?

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Old 06-20-2013, 06:47 AM   #17333
crypto666
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Quote:
Originally Posted by b45her View Post
Yep the po has used this mainly for road riding. He had it from 2000 miles or so. It has had an easy life in terms of not been offroaded much but other things like the countershaft don't look too good. I plan on rebuilding and replacing this winter, would the road riding have done more internal damage do you think?

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For future reference, I would be careful buying motarded bikes. They may look clean, but the motor and drive has likely been put through the wringer, as we see above.
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Old 06-20-2013, 07:03 AM   #17334
RdrMtn
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Quote:
Originally Posted by Jayrod1318 View Post
I suck, I thought that's the reason they sold it as a "15t" case saver.

Thanks!
The OEM case saver, at least on US bikes, will not swallow a 15T without some grinding.
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Old 06-20-2013, 10:11 AM   #17335
b45her
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Quote:
Originally Posted by crypto666 View Post
For future reference, I would be careful buying motarded bikes. They may look clean, but the motor and drive has likely been put through the wringer, as we see above.
Definately, I got stung with this 1. My own fault for not checking really, but I have had 4 other xr's and none have ever had this issue.. oh well, its a good excuse for upgrades!

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Old 06-20-2013, 10:27 AM   #17336
cognugget
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Quote:
Originally Posted by RdrMtn View Post
The OEM case saver, at least on US bikes, will not swallow a 15T without some grinding.
Not in my experience : I gave it some very very mild sanding...
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Old 06-20-2013, 11:09 AM   #17337
spartanman
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Quote:
Originally Posted by Shibby! View Post
I didn't have the bog that everybody talks about with the stock carb. I changed mine because:

1) Softer transition from on/off throttle. Mine always liked to snap even when being very smooth.

2) Lighter throttle pull (Should I have gotten the "L" version??)

3) Gas mileage (30's jumped to 50's MPG)

4) Of course more precise jetting.

Mine still isn't jetted perfect, but it never is. Too much elevation change here and on my rides. It's worked from 0-10,000 ft. So I leave it =)
What carb did you switch to? What is your jetting now?
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Old 06-20-2013, 12:27 PM   #17338
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Quote:
Originally Posted by spartanman View Post
What carb did you switch to? What is your jetting now?

TM-40.

I somewhat forget my jetting. I've been working on my dirt bike now so I'd probably get the two confused if I gave out recommendations. I have posted it here before though. I change elevation A LOT so jetting is never perfect. Everywhere from 2000-8000', and on my trips I've gone from 0-13,000.
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Old 06-20-2013, 04:26 PM   #17339
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Quote:
Originally Posted by Shibby! View Post
TM-40.

I somewhat forget my jetting. I've been working on my dirt bike now so I'd probably get the two confused if I gave out recommendations. I have posted it here before though. I change elevation A LOT so jetting is never perfect. Everywhere from 2000-8000', and on my trips I've gone from 0-13,000.
I've posted my TM-40 jetting on here as well. I dont recall Shibbys exactly, but I think I was in his ballpark.

I'm very happy with the TM-40 carb, with the exception of the last time I had it out in the desert I had some strange float / overflow deal. I went to fire it up and as soon as i took it off the the side stand it started puking fuel, and ended up doing it throughout the ride too.

I flogged it good though to show it who was boss. Beat 2 very good riders, one of which is a District 36 enduro rider to our first destination, and he was on a KTM 350exc.
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Old 06-20-2013, 04:28 PM   #17340
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Does anyone have a tanker brace they would willing to sell me? or rent? or something?

Mr Hodaka seems to be a ways out on getting them made and I really need one for my trip. I need to have my bike in a crate on a truck by end of July, so I dont think I can honestly wait for him.

I'll pay new price as long as its not all mangled
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