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

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  #1  
Old 6 Days Ago
Beary Beary is offline
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Default Removing transmission 1973 XLH

Hi All

I explained in another thread "1 Step forward, 3 Steps back" that the two oil tank mount bracket bolt holes on the transmission case are stripped and worn to an oval shape. The threads aren't just stripped, the holes are wore nearly an 8th of an inch larger than the bolt.

So, I'm open to advice to the best way to fix those holes, but I wanted I mainly need advice and hand holding to dive into taking the transmission out out of the case.

There are probably other threads on the subject, but I'll start here.

I have manual, not a Harley. But I have a Harley manual is on order. My experience with my last 6 harley's touring bikes is that the manual is best for torque numbers while the forum is better for best practices. In fact, sometimes the manual was wrong (Still haven't forgot the brake caliper misdirection on my 02 Road King). So, I'm here for the best practices.

I am most appreciative for any help.

What's the first step? I guess I need to remove the chain?

Beary
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Old 6 Days Ago
paulc paulc is offline
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I would say first step is don't touch anything yet - wait for your manual to arrive. Then do a fair bit of reading of the manuals and threads on here. I've only done an IH trans once, it takes a bit of getting your head around but is ok if you take it slowly, read a lot and ask on here for advice. I have a thread about my trans rebuild that is very much from a beginners point of view: http://xlforum.net/forums/showthread.php?t=2069213
Before taking your trans out it would be worth checking what the C/s and M/S end play is so that you have a starting point to work from and know if it is good as it is or needs some different shims.
I'll be pulling the trans on my project bike over the winter, to fit a different ratio 4th and a new shifter shaft, but will spend a lot of time reading and relearning stuff before I start.
You'll be fine but take the time to get your head around how it all works and fits together, it'll save time in the long run.
Paul
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  #3  
Old 6 Days Ago
The Doctor71 The Doctor71 is offline
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What you need first ? A few suggestions to think about:
  • correct the subject line on this thread, to include the correct year & model of your ride. Seems to me you established some time back it's not an XLC. If you can't EDIT it, report the thread to an admin & politely ask them to correct the subject line to read..... X Y Z or whatever. Make it meaningful.
  • you need a plan, before ripping into it. I assume you're ripping into it to fix the tranny holes. Have a look at time-serts (or whatever) & determine what size is needed to get things properly restored. Standard time-sert or big-sert needed ? You ok with the cost ? They're not cheap. www.timesert.com
  • you'll probably need a few special tools to remove the clutch basket & primary chain. Buy 'em or make 'em. e.g. clutch spring compressor, engine/clutch sprocket lock, clutch locking plate. These are shown/described in the manual. There's also examples in the special tools section in the sticky's. http://xlforum.net/forums/showthread.php?t=395586
  • get the manual in your hands & read/understand the task at hand.
  • be prepared to take pics (lots of pics). And learn how to post 'em here. You'll have questions. We'll have questions.
Wait for others to add their thoughts.
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  #4  
Old 6 Days Ago
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ryder rick ryder rick is offline
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You will also need to gather up the special tools needed to take apart the primary and clutch.

Don't forget gaskets and fluids.
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Really good stuff, thanks.

Yes, I am thinking Timeserts. That would be the simple solution.

Beary
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Quote:
Originally Posted by The Doctor71 View Post
What you need first ? A few suggestions to think about:

If you can't EDIT it, report the thread to an admin & politely ask them to correct the subject line to read..... X Y Z or whatever. .
What I have is a 1973 "electric starter only" Sportster.

Beary
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I changed it to: Removing transmission 1973 XLH
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Quote:
Originally Posted by IronMick View Post
I changed it to: Removing transmission 1973 XLH
Thanks
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Step 1: disconnect battery
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Tatro Machine Shop (Keenan Tatro) has done a LOT of videos covering strip down and rebuild of Sportster engines. Might pay you to have a look at some of them in your spare
time. These are Not Disney World fils by videos showing a man (who explains the how and wht's) in a working machine shop.

One as an example.

https://www.youtube.com/watch?v=ESIWXKN-55w
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