EVO All Evo Model Discussion

Four Speed Trans

Thread Tools
 
Search this Thread
 
Old Jun 12, 2015 | 08:09 AM
  #21  
Houstons4's Avatar
Houstons4
Thread Starter
|
6th Gear
Joined: Jun 2015
Posts: 10
Likes: 0
From: Ohio
Default

Originally Posted by pjb
Are you sure the fluid leaking is from the transmission, and not motor oil?
It could be puking oil from the breather, a common but relatively harmless problem.
Where is your breather hose routed to?
Yes, breather tube is right side of bike (non-drive side). It's definitely tranny, when I say puking I could say pouring, only while leaning on the jiffy stand though. When upright on my lift is barely drips. Oil level and primary level have not changed.
 
Reply
Old Jun 12, 2015 | 08:13 AM
  #22  
pjb's Avatar
pjb
Stellar HDF Member
15 Year Member
Liked
Loved
Top Answer: 1
Joined: Apr 2007
Posts: 3,008
Likes: 464
Default

The 4 speeds are know to leak. I just bought a mainshaft spacer with an o-ring machined in it ebay. The guy that makes them has some videos on youtube.
google harley 4 speed leak fix and you should find it.

I bought it for my shovelhead, but haven't installed it yet.
 
Reply
Old Jun 12, 2015 | 08:21 AM
  #23  
Houstons4's Avatar
Houstons4
Thread Starter
|
6th Gear
Joined: Jun 2015
Posts: 10
Likes: 0
From: Ohio
Default

Originally Posted by pjb
The 4 speeds are know to leak. I just bought a mainshaft spacer with an o-ring machined in it ebay. The guy that makes them has some videos on youtube.
google harley 4 speed leak fix and you should find it.

I bought it for my shovelhead, but haven't installed it yet.
Yep that's the route I'm going. I'm needing information on the OD of the mainshaft, what other seals, gaskets I may run into that I should replace once I have things opened up?
 
Reply
Old Jun 12, 2015 | 09:22 AM
  #24  
Dr.Hess's Avatar
Dr.Hess
Seasoned HDF Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Aug 2007
Posts: 8,198
Likes: 3,087
From: NW AR
Default

It's a fairly straight forward job swapping out the main shaft seals. Pull the outer primary, clutch (you'll need a clutch puller tool for that), inner primary, drill a hole in the old big seal, screw a dent puller in, pull the seal out, dig out the little inner seal, put it back together.

I had a sprocket nut that had a seal built into it as well for extra measure, back in Shovelhead Daze.
 
Reply
Old Jun 12, 2015 | 09:34 AM
  #25  
14GuineaPig's Avatar
14GuineaPig
Stellar HDF Member
10 Year Member
Photogenic
Photoriffic
Shutterbug
Joined: Sep 2013
Posts: 3,490
Likes: 610
From: USA
Default

Originally Posted by Houstons4
Also upon further VIN decoding I can add some infor to this conversation:
--1HD1BH tells me it a Heavyweight basic Softail manufactured in the US.
--L tells me it's a 1340 EVO
--19 is confusing but the 1 seems to indicate it's a normal introduction year domestic (what's the 9?).
F indicates she's is a 1985
Y = York, PA
Should also note the VIN decoder on this site could not find anything (what's that 9 after the introduction year number?

The 17 digit VIN has a number that was know as a "Check Digit". It's used to validate the VIN some how. Maybe the "9" is the check digit in your YIN?
 
Reply
Old Jun 12, 2015 | 09:55 AM
  #26  
Uncle G.'s Avatar
Uncle G.
Seasoned HDF Member
Liked
Loved
Community Favorite
Top Answer: 1
Joined: Jun 2010
Posts: 9,332
Likes: 3,873
From: Upstate New York
Default

First year Softails were 4 speed, like yours, but they weren't offered in "Heritage" trim until '86. Yours was modified to "Heritage Softail" configuration after it was built. I see lots of aftermarket parts in that conversion.

Nice looking ride, by the way.
 
Reply
Old Jun 12, 2015 | 01:00 PM
  #27  
Houstons4's Avatar
Houstons4
Thread Starter
|
6th Gear
Joined: Jun 2015
Posts: 10
Likes: 0
From: Ohio
Default

Originally Posted by Uncle G.
I see lots of aftermarket parts in that conversion.
Not that I'm looking for this ride to be all original, but what aftermarket conversions do you notice?
 
Reply
Old Jun 12, 2015 | 01:18 PM
  #28  
Dr.Hess's Avatar
Dr.Hess
Seasoned HDF Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Aug 2007
Posts: 8,198
Likes: 3,087
From: NW AR
Default

Pipes, grips, controls. Not sure about those mirrors. Ignition cover, probably the chrome nose cone. Those handlebars look chrome and not stainless, so those too if that's the case.
 
Reply
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

7 Times Harley-Davidson Chucked Tradition Out the Window

 Verdad Gallardo
story-1

7 Surprising Harley-Davidson Products that Are Not Motorcycles

 Verdad Gallardo
story-2

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-3

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-4

Killer Custom's Jail Break Is The Breakout That Refused to Blend In

 Verdad Gallardo
story-5

Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

 Verdad Gallardo
story-6

Harley-Davidson Reveals Super Cool Cafe Racer Concept

 Verdad Gallardo
story-7

Engraved Rebellion: Inside Bundnerbike's Glam Rock II

 Verdad Gallardo
story-8

10 Motorcycles You Should Never Buy

 Joe Kucinski
story-9

10 Things Harley-Davidson Needs to Fix in 2026

 Verdad Gallardo
Old Jun 12, 2015 | 05:57 PM
  #29  
Tom84FXST's Avatar
Tom84FXST
Seasoned HDF Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Nov 2009
Posts: 15,705
Likes: 22,718
From: Farmington ,MS
Default

Originally Posted by Dr.Hess
It's a fairly straight forward job swapping out the main shaft seals. Pull the outer primary, clutch (you'll need a clutch puller tool for that), inner primary, drill a hole in the old big seal, screw a dent puller in, pull the seal out, dig out the little inner seal, put it back together.

I had a sprocket nut that had a seal built into it as well for extra measure, back in Shovelhead Daze.

The problem is the seal is rarely the problem...just replacing the seal is a short term fix. The brass bushing on the mainshaft is almost certainly worn...and if you don't replace it...any "fix" from a new seal will be short lived.

http://shovelhead.us/pics/sheets/leakingtranny.pdf
 
Reply
Old Jun 12, 2015 | 10:26 PM
  #30  
Scootertrash60's Avatar
Scootertrash60
Tourer
10 Year Member
Liked
Loved
Community Favorite
Joined: May 2013
Posts: 263
Likes: 25
From: MN
Default

On my 85 low Rider there is a vent hole in the rotary top of the tranny. Very small. Make sure you clean it out when you do any work to the tranny. Paper clip works well. I'll try to get out tomorrow and get the location of the hole for you.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
JackKnife5
General Topics/Tech Tips
10
Jul 10, 2018 07:28 PM
BombshellZ
Primary/Transmission/Driveline/Clutch
2
Aug 30, 2016 08:30 AM
Wishbone68
General Harley Davidson Chat
17
Jun 30, 2014 04:40 PM
fogey47
Tri Glide, RG3 & Freewheeler Models
1
Apr 20, 2013 05:23 PM
duluth
Softail Models
11
May 6, 2011 02:10 PM




All times are GMT -5. The time now is 05:51 AM.

story-0
7 Times Harley-Davidson Chucked Tradition Out the Window

Slideshow: Harley-Davidson built its reputation on nostalgia, but every so often, the company took a hard left turn into the future.

By Verdad Gallardo | 2026-05-20 11:18:19


VIEW MORE
story-1
7 Surprising Harley-Davidson Products that Are Not Motorcycles

Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.

By Verdad Gallardo | 2026-04-29 16:50:35


VIEW MORE
story-2
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-3
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-4
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-5
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-6
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-7
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-8
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-9
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE