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Sportster Motorcycle Transmission, Clutch, Primary & Secondary Drive Transmission, Clutch and primary or secondary drive problems, advice, and/or how tos.

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  #91  
Old 1 Week Ago
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Crusty Crusty is offline
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Really.

The engineers at the MoFoCo aren't stupid. Why would Harley keep the spring plate if it's such a bad design when they already have the solution with the XR parts?

I'm curious. I don't think it's that hard to replace the grenade plate every 30,000 miles, so that's what I'll do as a preventative measure. I've tried screeching, squealing clutch kits and I prefer the stock setup.

I'm glad you like the modifications you've made. I've made several modifications to my bikes and prefer them to the stock items. But with any change, there are consequences and they aren't always obvious and sometimes they cause some really expensive problems.

I'm glad you know how to shop around for clutch parts.Make sure that $15.00 FAG bearing isn't a Chineseum copy. The one I got from Amazon cost 26.00, last year.

I hope your clutch lives a long and happy life. I'll keep the stock setup and change the spring plate every couple of years or so. It works for me.
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  #92  
Old 1 Week Ago
Tomcatt Tomcatt is offline
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Quote:
Originally Posted by Crusty View Post
The engineers at the MoFoCo aren't stupid. Why would Harley keep the spring plate if it's such a bad design when they already have the solution with the XR parts?
They didn't "already have the solution with the XR parts". The current spring plate, 37977-90, has been used in Sportsters starting in 1991, WELL BEFORE the XR1200 was introduced. The XR's got many upgraded (Buell) parts.

Quote:
Originally Posted by Crusty View Post
I'm curious. I don't think it's that hard to replace the grenade plate every 30,000 miles, so that's what I'll do as a preventative measure.
Good luck. Maybe that should be every 20,000 miles. Many seem to self destruct at mileages under 30,000.
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  #93  
Old 6 Days Ago
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Mine went 70,000. I don't think there's a reliable way to predict it's demise.
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