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Author Topic: HD XR750 Replica?  (Read 9470 times)

Offline Mr.B

  • Posts: 160
  • Everybody likes curves, when we talk about roads.
HD XR750 Replica?
« on: Jan 21, 2013, 09:13:15 »
Hi, has anyone here tried to build a XR750 replica (or look-a-like)?

I'm not thinking about the Sportster tracker kit (It doesn't have the same look, guessing it's the frame, but cant really put my finger on it)
But as close as you can get.

What HD engine is the one the resembles the XR's engine the most?
I was thinking that an XLCH Engine (ca 1968-74?) would be similar (and wouldn't be to pricey or hard to find for me).
But what frame would be a good starting point? I'm guessing that the xr750 frame was built for the flattracker scene and never built as a regular production bike.
So what frame needs the least amount of modification to make it look the same?

This is the picture I'm looking at,



Ideas are as always welcomed!
« Last Edit: Jan 21, 2013, 09:54:43 by Mr.B »
//Broberg
Don't forget, Vikings only @ http://www.dotheton.com/forum/index.php?board=88.0

Offline Dutch Von Shed

  • Posts: 72
    • The Bike Shed
Re: HD XR750 Replica?
« Reply #1 on: Jan 21, 2013, 09:30:31 »
Nice project! Look forward to seeing this come to life!

Offline Garage Rat

  • Posts: 2759
Re: HD XR750 Replica?
« Reply #2 on: Jan 21, 2013, 09:33:33 »
I really should have built my bike along these lines. The roads around here are not condusive for Cafe' racing.
STFU and Ride!

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Classic and Custom: Repair, Restoration and Fabrication!

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Offline Mr.B

  • Posts: 160
  • Everybody likes curves, when we talk about roads.
Re: HD XR750 Replica?
« Reply #3 on: Jan 21, 2013, 09:43:18 »
I have to point out this is project is a couple years in the future for me (unless someone practically gives me an HD engine for free).
Just gathering some basic information at the moment :)
//Broberg
Don't forget, Vikings only @ http://www.dotheton.com/forum/index.php?board=88.0

Offline cobraace2

  • Posts: 270
Re: HD XR750 Replica?
« Reply #4 on: Jan 21, 2013, 10:33:14 »
Hi, has anyone here tried to build a XR750 replica (or look-a-like)?

I'm not thinking about the Sportster tracker kit (It doesn't have the same look, guessing it's the frame, but cant really put my finger on it)
But as close as you can get.

What HD engine is the one the resembles the XR's engine the most?
I was thinking that an XLCH Engine (ca 1968-74?) would be similar (and wouldn't be to pricey or hard to find for me).
But what frame would be a good starting point? I'm guessing that the xr750 frame was built for the flattracker scene and never built as a regular production bike.
So what frame needs the least amount of modification to make it look the same?

This is the picture I'm looking at,



Ideas are as always welcomed!

That bike in the picture is a 1970/1971  xr750 the only years they used iron heads . In 1972 the alloy XR came out  and Harley domination started  8) that is the cheapest  model to replicate . You need a pre 1974 right hand shift iron head engine and a 1977/1978 xlcr frame good luck  $$$$ or get a 1979 frame and mode the tail section 

Offline Mr.B

  • Posts: 160
  • Everybody likes curves, when we talk about roads.
Re: HD XR750 Replica?
« Reply #5 on: Jan 21, 2013, 10:48:55 »
That bike in the picture is a 1970/1971  xr750 the only years they used iron heads . In 1972 the alloy XR came out  and Harley domination started  8) that is the cheapest  model to replicate . You need a pre 1974 right hand shift iron head engine and a 1977/1978 xlcr frame good luck  $$$$ or get a 1979 frame and mode the tail section


This is exactly the information I'm after :D
So the engine from an XLCH 1974 (and older) would be an acceptable look-a-like (at least what I could see on the ones that are for sale in Sweden at the moment).
About the frame, the XLCR seems to be (as you stated) quite hard to find. I'm not afraid to cut in to the frame but the less work the better.
If not the XLCR, are their any other frames that are somewhat close and easier to find (and less pricey)?

I guess with a lot modification I could re-use the frame of an XLCH (1973) or is it better to make a frame from scratch in that case?
//Broberg
Don't forget, Vikings only @ http://www.dotheton.com/forum/index.php?board=88.0

Offline cobraace2

  • Posts: 270
Re: HD XR750 Replica?
« Reply #6 on: Jan 21, 2013, 11:08:08 »

This is exactly the information I'm after :D
So the engine from an XLCH 1974 (and older) would be an acceptable look-a-like (at least what I could see on the ones that are for sale in Sweden at the moment).
About the frame, the XLCR seems to be (as you stated) quite hard to find. I'm not afraid to cut in to the frame but the less work the better.
If not the XLCR, are their any other frames that are somewhat close and easier to find (and less pricey)?

I guess with a lot modification I could re-use the frame of an XLCH (1973) or is it better to make a frame from scratch in that case?

If you are looking for the cheapest option  the 1979 frame is it no other sportster frames will even be close . forget about the xlcr frame I sold a frame and cases for $2500  :o In my opinion its the 79 or custom$$$$ you get a 79 for about $300 and the mode is only in the tail section. You can build a sub 350lb 80/89 rwhp bike it will the most exciting ride you ever had unless your dating a porn star 8)

Offline lurkmaster2000

  • Posts: 91
Re: HD XR750 Replica?
« Reply #7 on: Jan 21, 2013, 11:24:35 »
It would seem to me that you could make one out of any sportser, just need to de-rake the neck and change the tail. The plastics are easy to find.  Best to get a complete running bike with the shouldered aluminum rims.  The forks are ceriani?

Offline cobraace2

  • Posts: 270
Re: HD XR750 Replica?
« Reply #8 on: Jan 21, 2013, 11:29:03 »
It would seem to me that you could make one out of any sportser, just need to de-rake the neck and change the tail. The plastics are easy to find.  Best to get a complete running bike with the shouldered aluminum rims.  The forks are ceriani?

Have a quick look on EBAY at  sportster frames and you will see why that's not true ;)

Offline DrJ

  • Posts: 4224
Re: HD XR750 Replica?
« Reply #9 on: Jan 21, 2013, 12:19:57 »
What HD engine is the one the resembles the XR's engine the most?

The XR1000 was the closest thing to a street version of the XR750 and probably the fastest air-cooled production Harley ever built. Unfortunately they are very rare, even more than the XLCR.