Mitch's 72 Basket Case

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Mitch's 72 Basket Case

Postby htown16 » Tue Sep 15, 2009 11:55 am

Decided to keep a log of my progress on my 72 basket case rebuild. The first photo shows the rolling chassis and the second shows the 72 engine. It's an Aug 72 dated post Combat model. The bins behind the bike hold most of the other bits. I have been stripping and cleaning parts and ordering what I'm missing over the summer. I've got it down to the bare frame and have everything ready to send out to be blasted. Still haven't decided if I'm going paint or powder coat. Been following the recent threads. I'm not planning on doing a 100 point show bike, just a clean rider.
Image
Image
Last edited by htown16 on Thu Sep 17, 2009 2:09 pm, edited 1 time in total.
Htown16
Mitch Burk
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1974 Commando
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Re: Mitch's 72 Basket Case

Postby grandpaul » Tue Sep 15, 2009 1:23 pm

Start printing up some spending money...

hee hee

Make sure to update the thread often, with lots of pix when you can. Refurb/resto threads are my favorite.
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Re: Mitch's 72 Basket Case

Postby htown16 » Tue Sep 15, 2009 5:54 pm

Thanks Paul. I seem to remember on one of your posts that you are getting your powder coating done in San Antonio. I live in Katy. Might be worth driving over there if I could get a good job at a resonable price. Any idea what a Commando frame and assorted bits might run? Finally cooling off enough here to spend sometime in the garage without sweating out a gallon.
Htown16
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Re: Mitch's 72 Basket Case

Postby Cookie » Tue Sep 15, 2009 9:10 pm

We'll watch and cheer.
Regards,
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Re: Mitch's 72 Basket Case

Postby grandpaul » Wed Sep 16, 2009 7:33 am

Mitch, I use Alamo powdercoating, but my typical price is based on multiple bikes at once. Expect to pay about $400 for the basic frame, tranny cradle, engine mount, yokes, kickstands, battery tray and a few bits & bobs. YOU NEED TO DO THE PRE-MASKING with bolts, washers & nuts, etc.
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Re: Mitch's 72 Basket Case

Postby htown16 » Fri Sep 18, 2009 5:23 am

When I bought this project, I also bought a 74 rolling chassis without drive train. Now that I have stripped both to the bare frame, I have found that the 74 frame is in much better shape. As much as I would like to keep matching numbers, I believe I will go ahead and put the 72 drive train in the 74 frame. Here's a picture of the 74 rolling chassis.
Image
Htown16
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Re: Mitch's 72 Basket Case

Postby swooshdave » Fri Sep 18, 2009 8:53 am

htown16 wrote:When I bought this project, I also bought a 74 rolling chassis without drive train. Now that I have stripped both to the bare frame, I have found that the 74 frame is in much better shape. As much as I would like to keep matching numbers, I believe I will go ahead and put the 72 drive train in the 74 frame.


Just swap the number plates...
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Re: Mitch's 72 Basket Case

Postby htown16 » Mon Sep 28, 2009 8:06 pm

Have decided to use the 74 frame but everything else such as taillight, seat, tach and speedo to 72 spec except for 74 centerstand. On the 74 the ignition switch was mounted on an arm attached to the rear aircleaner plate. I don't have the 72 part, but my parts book doesn't show the arm on the plate. Where was the switch mounted on the 72's? A set of new k&n filters came with one of the bikes. I will probably use them initially but if the carbs need replaced I may go to a single carb setup. When people are using the k&n's are they elimnating the back aircleaner plate and mounting the ignition switch somewhere else?
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Mitch Burk
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2004 XL1200R Sportster
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Re: Mitch's 72 Basket Case

Postby illf8ed » Mon Sep 28, 2009 9:44 pm

htown16 wrote:Have decided to use the 74 frame but everything else such as taillight, seat, tach and speedo to 72 spec except for 74 centerstand. On the 74 the ignition switch was mounted on an arm attached to the rear aircleaner plate. I don't have the 72 part, but my parts book doesn't show the arm on the plate. Where was the switch mounted on the 72's? A set of new k&n filters came with one of the bikes. I will probably use them initially but if the carbs need replaced I may go to a single carb setup. When people are using the k&n's are they elimnating the back aircleaner plate and mounting the ignition switch somewhere else?


Hi Mitch,

The ignition switch bracket for '72 is the same as on '74, attached to the back air box plate on the left had side. The difference is in the rubber cover for '72 is more abbreviated than the '74.

I'm curious about your comment it's a post combat. What 's it's head id stamp?
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Re: Mitch's 72 Basket Case

Postby htown16 » Tue Sep 29, 2009 5:28 am

I can't find any stamping on the top of the head. I checked the seriel number in the Tech Digest that the International Norton Owners Association puts out and based on that and the Aug 72 build date it should be after the switch to the super blend bearings and lowered compression ratio. It does have 32 mm carbs and a black painted cylinders.
Htown16
Mitch Burk
Katy, TX

1972 Commando
1974 Commando
1978 T140E Bonneville
2004 XL1200R Sportster
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Re: Mitch's 72 Basket Case

Postby JimC » Tue Sep 29, 2009 5:42 am

From the photo of the engine, it appears to be a Combat. If the spacing between the the fins where the head and barrels meet is less than the others, it's a Combat or someone has milled the head. The "C" stamp is sometimes very hard to see.
Last edited by JimC on Tue Sep 29, 2009 8:23 am, edited 1 time in total.
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Re: Mitch's 72 Basket Case

Postby MarshalNorton » Tue Sep 29, 2009 6:22 am

Mitch,
need any pointers let us know.
I just finished up in May 2008 ,a four year resto on a June '72 combat.
She is a show pleaser where ever she goes. A real show off.
You'll love it when your done. Be careful about taking her out on short trips when your in a hurry!!!
You will not be able to stop at Wawa etc.... w/o drawing an inquisitive crowd.
Even small children like the cool colors and funky exhaust. people will just ask you questions.
You've been warned. 8)
Also other forum contributors have been riding their Nortons since they were new.
My friend has had his since 1972. He is the orig. owner.
That still blows my mind as I was never able to keep anything very long as a yute.
I have some take off parts so if you need ask
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Re: Mitch's 72 Basket Case

Postby illf8ed » Tue Sep 29, 2009 12:32 pm

JimC wrote:From the photo of the engine, it appears to be a Combat. If the spacing between the the fins where the head and barrels meet is less than the others, it's a Combat or someone has milled the head. The "C" stamp is sometimes very hard to see.


The reason I ask about the post combat statement is Aug '72 would have been near the end of production for 20xxxx series engines, '72 model year. Most of the combats I've seen on the west coast are early production. My two were build Oct ''71 and Dec '71. The photo of this engine has the cast in portion on the right side crankcase where the magneto would mount in earlier models. My early combats have a stamped steel plate with three bolts in this position. For the '73 MkV 750 starting 220000, the cases were all of the cast in type. A few years ago I had a Nov '72 built high compression (RH6 head) 750 MkV. These are noticably different than the combat. Just curious about late '72 changes after Norton discovered all the problems.
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Re: Mitch's 72 Basket Case

Postby Unclviny » Tue Sep 29, 2009 4:38 pm

If you decide to Powdercoat, I can give a huge, good reference for Roadtoys in Deanville (by Brenham), Chuck does
VERY NICE work, specializes in motorcycles and his prices are reasonable.

http://www.roadtoys.cc

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Re: Mitch's 72 Basket Case

Postby htown16 » Tue Sep 29, 2009 5:42 pm

According to the Norton Owners club tech digest the superblend bearings were introduced at serial #207197 and the first detuned post Combat 750 engine at #211110. Mine is higher than that.
Htown16
Mitch Burk
Katy, TX

1972 Commando
1974 Commando
1978 T140E Bonneville
2004 XL1200R Sportster
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