Harley 4-speed Transmission Rebuild Service?
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Road Captain
Joined: Jun 2007
Posts: 632
Likes: 86
Harley 4-speed Transmission Rebuild Service?
Who would be the go-to experts on rebuilding a 4-speed tranny?
I have one that may need all the inserts and line lapping as well as bushings etc. I could do it myself but I do not have all the proper tools.
I'd like someone with a full-service machine shop along with experience and special attachments to properly do the H-D 4-speed.
I see that both Jim's and Baker are offering rebuild services now but I'm not sure they do 4-speeds.
Thanks in advance
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I have one that may need all the inserts and line lapping as well as bushings etc. I could do it myself but I do not have all the proper tools.
I'd like someone with a full-service machine shop along with experience and special attachments to properly do the H-D 4-speed.
I see that both Jim's and Baker are offering rebuild services now but I'm not sure they do 4-speeds.
Thanks in advance
.
Road Master
Joined: Jun 2006
Posts: 905
Likes: 206
From: Minneapolis
be careful on who you select - nothing wrong with top dollar from a true performance shop that comes with referrals from pros - but keep this in mind - I specialize in fixin what other guys break and eff up - the "other guys" are often small shops that do work for just a little less than full-on pros - I dont want you sending me your 4-speed - when you talk to the shop - you'll know the difference between a poser and a pro - ever talk to the guys at T&O - if you have - you'll know what I mean - Ferg
Seasoned HDF Member
Joined: Nov 2006
Posts: 12,878
Likes: 5,449
From: la la land jerzey
a 4 speed is a very simple gear box originally introduced in 1936 all but some minor changes its still in use in new machines in 1985/86 FXWGs
do the build on line in this forum lots and lots of experience on this site as many of the guys have done them over and over and over adding to 100,000s of miles
why pay a specialty shop when its not anything special
do the build on line in this forum lots and lots of experience on this site as many of the guys have done them over and over and over adding to 100,000s of miles
why pay a specialty shop when its not anything special
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Road Captain
Joined: Jun 2007
Posts: 632
Likes: 86
Yes, I am familiar with everything that comprises a thorough rebuild.
I would much rather do it myself because then I would KNOW it was done correctly with no "just getting by" passovers.
However, for example, I do not have a press with all the proper fittings with which to press the needed races and bushings. That main drive gear race is important. I need mine replaced and then properly line lapped via the opposite main shaft bearing to insure a good fit for the output seal. Things like that.
I could take it out to a machine shop but I am not sure they have the best fittings and tools to do this either.
.
I would much rather do it myself because then I would KNOW it was done correctly with no "just getting by" passovers.
However, for example, I do not have a press with all the proper fittings with which to press the needed races and bushings. That main drive gear race is important. I need mine replaced and then properly line lapped via the opposite main shaft bearing to insure a good fit for the output seal. Things like that.
I could take it out to a machine shop but I am not sure they have the best fittings and tools to do this either.
.
Last edited by leafman60; Mar 22, 2018 at 08:51 PM.
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