EVO All Evo Model Discussion

Anyone done this?

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Old Nov 4, 2012 | 05:29 AM
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Default Anyone done this?

Shifter return spring broke and needed to tear her down. Alot of wrenching for a five dollar spring. Any way, I'm thinking about upgrading the gear set and primary for the splined clutch set up and loose the woodruff/ tapered shaft set up. According to the info I'm digging up the MOCO has numerous part numbers for the starter coupler 90-94 model years.

Can the transmission guts and related parts from a nineties directly go into a 89 case or would it be year specific?
 
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Old Nov 4, 2012 | 08:41 AM
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A friend of mine recently had the same problem on his 91 heritage had to take the whole bike apart for that stupid spring,they changed the material on that spring in the later evos does anyone know what year??im curious myself.

Thanks
 
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Old Nov 4, 2012 | 10:20 AM
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You can drop in any 5 speed gearset into your case.

My `89 Softail has a `99 gearset.

I used a `90-`93 clutch setup, because I wanted to keep the same gearing for the primary and starter.

I used the trap door I got with the `99 gearset, it was from a bagger, so I removed the shafts and bearings, drilled and tapped it for the trapdoor side drain needed for a Softail, and re assembled it using new bearings.

You will not need to replace any of the starter hardware or primary case.
 
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Old Nov 4, 2012 | 11:37 AM
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Originally Posted by staged67gspwr
A friend of mine recently had the same problem on his 91 heritage had to take the whole bike apart for that stupid spring,they changed the material on that spring in the later evos does anyone know what year??im curious myself.

Thanks
My 1990 bike broke its spring in 1996. The replacement is still there! So I would guess the new improved one cam out mid 90s.
 
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Old Nov 4, 2012 | 01:59 PM
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You can do the shifter retrun spring without pulling the inner primary, its a faff but its doable.
 
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Old Nov 4, 2012 | 02:06 PM
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I understand the layout of gears in the trans changed at some time in the early 90s? That made the spring more accessible. Certainly when I had mine done I was told it required the primary and gear cluster to be disturbed.
 
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Old Nov 4, 2012 | 03:28 PM
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I'm afraid to admit that my '94 still has the original spring (watch it break now that I've said it). I've looked in the manual, and replacing it seems fairly straightforward once you remove the oil tank and trans. top. Big worry is getting any chips or pieces out of the case, I suppose.

Then again, I figure this is not a unique situation to Harley alone. Every foot shifted motorcycle has a shift return spring.
 
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Old Nov 4, 2012 | 03:48 PM
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On earlier trans a large gear wheel obstructs getting to the spring through the top. You have the benefit of the later version of trans.
 
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Old Nov 4, 2012 | 03:59 PM
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Originally Posted by Spanners39
You can do the shifter retrun spring without pulling the inner primary, its a faff but its doable.

How if the arm has to be pulled out?and in order to do so the inner has to come out.
 
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Old Nov 4, 2012 | 06:29 PM
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Originally Posted by staged67gspwr
How if the arm has to be pulled out?and in order to do so the inner has to come out.
Nope....arm comes out into the tranny case and not through the outside where the inner primary is.

You take the trap door off and shift the secondary gear set back and over to one side slightly and it comes out......not the easiest of things to do but I have done it twice now.
 
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