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Ironhead Sportster Motorcycle Talk (1957-1985) For all those that wanna talk about Ironhead Sportster Motorcycles

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  #41  
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Quote:
Originally Posted by thefrenchowl View Post

earlier i thought i saw bronze bushing material accumulated at the oil pump drive gear,but if this is the XLRTT it doesn't use bronze bushings in the cam cover but roller bearings?
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  #42  
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Only one brass bush left in there, the big one on the outside of cam #2, rear intake, where the rev counter drive replaces magneto or timer...

It can be straight replaced either with a ball bearing or a Torrington needle bearing, but I am not that bothered yet!!!

All the shinny bits in there are castor oil reflections...

All the best from Patrick
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  #43  
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so you still have the '66 XLRTT,cool!
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  #44  
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Quote:
All the shinny bits in there are castor oil reflections...
Most of the guys on here won't have seen an engine run on castor oil.

But they will have seen the bottom of a stainless steel frying pan that's had some cooking oil heated in it.
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i can still remember when 2 strokes burned it with their gas.'60's 70's. bean oil.
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  #46  
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There are still a few "holdouts" in the Manx Norton Brigade running Castrol R. I get a faint whiff of it walking through the pits every now and again.
40 years ago virtually everyone racing used it.
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IIRC beginning with the WR the #3 & 4 cover bearings are the same R6 ball bearings as the inners (the #1 is the pump drive).
The KR onward uses an R6 in the #1 position also.
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These are the cases I have alonng with the sump casting.




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Quote:
Originally Posted by brucstoudt View Post
i can still remember when 2 strokes burned it with their gas.'60's 70's. bean oil.
"R"
My buddies with RD's were using bel-ray synthetic
the bean burned dirty and the mixture ratio was skinnier than other oils so I put slack in the cable to the oil injecter on my '74 kawasaki. My 18 year old scientific method

I never knew it could be used in crankcases

Never forget that smell
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