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4 speed- yellow metals

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  #11  
Old 07-31-2024 | 03:20 PM
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From: la la land jerzey
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Originally Posted by t150vej
Aren't all the bushings bronze?

The "yellow metal" that scares people about gear oil is the synchronizer rings used in older cars. Never saw a sync ring in a motorcycle transmission.
except 90 percent of the bushings are china made soft donuts for a better term — eastern machine makes USA - Jim’s is Mexico farmed out to china
 
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  #12  
Old 07-31-2024 | 03:32 PM
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Originally Posted by johnjzjz
except 90 percent of the bushings are china made soft donuts for a better term — eastern machine makes USA - Jim’s is Mexico farmed out to china
You mean like the bushings that come in the gears in the popular shiny kicker kits that last about week?
 
  #13  
Old 07-31-2024 | 05:29 PM
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Originally Posted by TwiZted Biker
You mean like the bushings that come in the gears in the popular shiny kicker kits that last about week?

WOW THAT LAST THAT LONG ON THE WEST COAST never can tell when a miracle is about to happen
 
  #14  
Old 07-31-2024 | 06:34 PM
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Originally Posted by johnjzjz
WOW THAT LAST THAT LONG ON THE WEST COAST never can tell when a miracle is about to happen
Hey this is button ***** country out here, somebody folds out a kick arm looks like a gopher town with all the heads popping up gawking.

I've had guys ask me if the kick arm was real.
 

Last edited by TwiZted Biker; 07-31-2024 at 06:35 PM.
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  #15  
Old 07-31-2024 | 09:43 PM
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The Jims 4 speed trans rebuild kit says it's made in the USA.




Paul
 
  #16  
Old 07-31-2024 | 11:41 PM
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Actually both gl4 and gl5 contain EP additives sulfur/phosphorous - 5 has about twice that of 4 - most of the newer formulatons encapsulate the additives to reduce their corrosive properties - anyway - BelRay make a superb 10 dollar qt of Big Twin gear oil - it is gl5 - but is safe for our trannies - it is my understanding that the gl5 classification in modern fluids does not mean it contains corrosive sulfur/phosphorous....I recall the Mobil 1 synthetics are safe as are many others - a lot of the modern fluids are rated gl4/gl5 - but as others here said - use 60W or 50W VR1 - or do the old 50:50 STP/50W - that was a real old trick from the days whhen oil came in a tin can
 
  #17  
Old 08-01-2024 | 04:32 AM
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From: la la land jerzey
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Originally Posted by pgreer
The Jims 4 speed trans rebuild kit says it's made in the USA.




Paul

once upon a time that could be believed - today the box comes and if you really look the box is made in the USA

Jim’s stuff was once real - then i kept getting what we found to be garbage - the reamer for shovel rocker arm bushings is very expensive 200 bucks - well the reamer is only sharp for maybe 3 engines and its the steel not the edge is the cutter - the flat side front compensator Pin type nut remover i have 4 every one Jim’s and every one the pins are too hard and snap off but the tool metal is too soft and smears off to the side before the pin snaps from the lean that are over 100 bucks and they act up on the first job we hade one out of tool steel like our original Jim’s was - they sold me lifters as a dealer and i can show you the roller still on the lifter it must be made out of sheet metal - will picture up later maybe i will remember - sent the lifters back one month later from buying them they told me they were timed out old stock - so like cardboard in a open area its no longer and good because its sat too long on the shelf - they said that’s out policy go buy some place else you dont like it ———— yea so we did

was told you need to speak yo no man Engrish to talk to the shop
 
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  #18  
Old 08-01-2024 | 02:22 PM
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From: la la land jerzey
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  #19  
Old 08-01-2024 | 02:37 PM
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Thanks John. So it sounds like Eastern Motorcycle Parts is the only option for these parts. Is the same true for the MDG case race and countershaft bushings on the 4 speeds?

I don't have an account with Eastern, but see their parts listed with some of the usual online vendors. Are there other sources of Eastern parts that you can be sure you are getting what you are paying for?

Paul
 
  #20  
Old 08-01-2024 | 03:14 PM
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If you wish to use SYN gear lube you would be safe with GL1. But my question would be why. Just run the 60W or even HD F+
 


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