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New project: Ural M72


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Hi, I have a lot of details on the Soviet motorcycles.

m-72

 

Thank you Timur for your offer, when I will start this project I will contact you for some parts.

 

I hope you didn't send him any money. I sent him over US$200 last July for a sidecar door and windshield. Today, late February, am still without anything but excuses.

 

Sorry to hear that!

 

I usualy buy goods from ebay where I am protected. If I am buying from others I buy only from checked sources.

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Finaly, I have begun to work at my bike Ural M72 (not for sale). I have made a small place in my garage in order to begin this project. The bike will not be a restoration and some parts will be from other models (M63 front fork and fender, probably Dnepr wheels for better brakes, etc). It will be a nice bike but adapted for my needs, in time I will buy the necesary parts for being an original Ural M72:

 

5c3b8b7fd971f_Ural-M72(1).thumb.jpg.0e295d673bc557ef835913baca9e84a4.jpg

 

5c3b8b811f754_Ural-M72(2).thumb.jpg.eb0d45476fec63f6a03c560a46975138.jpg

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Nothing is more exciting than a new journey.

 

Yes, it is true. The goal of this project is to make quick a bike that I can ride and enjoy, so I hope it will be a short journey for rebuilding this (solo) bike. I have the advantage that I have a complete and rebuilt K750 engine, complete gearbox, two new Dnepr wheels, rear drive, fenders, tank, complete headlight.

 

Tapered roller bearings for the front fork, in order to mount this type of bearings I had to make an adjustment for the superior nut to fit the interior of the bearing and it works just great:

 

5c3b8ea8ccc2b_Ural-M72(4).thumb.jpg.5e7b062d18deb992c217e2d2e214599e.jpg

 

5c3b8eaa1c1cf_Ural-M72(5).thumb.jpg.769b49de8aa0bbe98c7a57bc2ae61fb2.jpg

 

5c3b8eab5e853_Ural-M72(6).thumb.jpg.ee0046ad982db3efad753653b74456fe.jpg

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Just curious on why these older frames had a horizontal member above the engine. It adds strength through triangulation but was not considered essential on other Russian bikes. Something to do with headstock gussets and how strong they are?

 

Looking good!

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Just curious on why these older frames had a horizontal member above the engine. It adds strength through triangulation but was not considered essential on other Russian bikes. Something to do with headstock gussets and how strong they are?

 

The problem is the suspension of the bike, especialy on the rear. So, they need a strong frame to resist to all that forces.

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I managed to save a headlight housing, actualy it is a Ij56 headlight but is the same piece with two very small differences that I will show later. The housing was "chopped" for the needs of someone at some point, all three holes were enlarged. So, I have soldered some copper rings to remake the original dimension of the holes. Also, I have changed the design of the housing by covering the hole on the right... a personal touch let's say.

 

20190119_134508.thumb.jpg.edc690b931163c87b2cb3d174bf4c0c9.jpg

 

 

20190119_135300.thumb.jpg.6bcbfa85b3a45cbca33f04170221ab6a.jpg

 

20190119_135939.thumb.jpg.8be0e8b3d4a209fa19e0ae768d5e7ab9.jpg

 

20190119_135947.thumb.jpg.860d1bdc5677b2a6c67e0a824c6289e0.jpg

 

20190119_140933.thumb.jpg.8778052da100924745a7eca73695a326.jpg

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The final result:

 

5c447a46f2e0e_oaladefar2.thumb.jpg.7fd3573319821ab3db1e6cec26626dd6.jpg

 

The two differences between the Ural M72 and Ij 56 headlight housing are the mount of the switch light in the bottom of the housing and the hole on the left of the housing for the switch light cable. In rest are the same, they were even produced in the same factory:

 

5c447a4599f56_oala-defar(8).thumb.jpg.fbac320be4e6925f322e4bf2300d2c3b.jpg

 

The green headlight housing is an original M72 housing but I am keeping that piece for antother project.

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