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Muttster: A long, slow '74 resto-mod

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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Sat Jan 21, 2017 11:40 pm

Finally, it's a roller again!
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Re: Muttster: A long, slow '74 resto-mod

Postby Fast Eddie » Sat Jan 21, 2017 11:53 pm

Lookin' good !
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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Mon Feb 20, 2017 7:00 pm

Progress has been slow. Life is in the way again. I know, sorry excuse.

Finally cleaned out the oil tank, rattle canned and mounted it up. It is all plumbed in now, too, with nice Gates tranny oil line.

Mounted up the repaired centre stand, as well as the new side stand. So, it is both rolling and standing on its own two tires now.

Jim's headsteady and the coils are on as well.

Next up is soaking the chain in my new tub of chain wax, and getting the primary on. I have to clean out the old mainfolds and get the carbs on as well.

No pics today. Too embarrassed about showing a pic of the stands! LOL
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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Sun Mar 19, 2017 2:01 am

Wow, a month and not much at all has happened. Carbs and inner primary on now.

Gotta get my a into g.
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Re: Muttster: A long, slow '74 resto-mod

Postby Fast Eddie » Mon Mar 20, 2017 12:38 am

Looks like you've got your z plates and NYC rearsets on since you lasts pic too !
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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Mon Mar 20, 2017 1:40 am

Fast Eddie wrote:Looks like you've got your z plates and NYC rearsets on since you lasts pic too !


Yeah, and there is an strange story in that that I forgot.

My left hand z plate had a crack in it where the bolt holding on the rear battery tray goes through, so I got a used one off of a MK3 from Danno.

After polishing them up and mounting them with the NYCN rearsets, I noticed that on both my right hand z-plate and the left one off another bike, the rear of the three stock footpeg mounting holes were stripped out and very slightly oval. I had to use a bolt completely through instead of the shorter ones that fastened direcetly to the z-plate.

I am assuming this is a common malady for these?
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Re: Muttster: A long, slow '74 resto-mod

Postby grandpaul » Mon Mar 20, 2017 6:27 am

I've encountered ONE stripped thread on a Z-plate, in 20 Nortons that I've owned, built, or restored, so I'm guessing not very common.

Leave ANY bolt or screw loose and you risk the threads being damaged, especially when it involves the riders dynamic weight stressing it!
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Re: Muttster: A long, slow '74 resto-mod

Postby grandpaul » Mon Mar 20, 2017 6:27 am

I've encountered ONE stripped thread on a Z-plate, in 20 Nortons that I've owned, built, or restored, so I'm guessing not very common.

Leave ANY bolt or screw loose and you risk the threads being damaged, especially when it involves the riders dynamic weight stressing it!
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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Sat Aug 05, 2017 2:41 am

Haven't been working on my bike for quite a while and am getting back at it.

I have a new engine sprocket key and went to fit the primary chain. I dry fit the key and it looks very shallow. Only about 0.0675 proud.

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I can't find my old one to compare and this came from my local dealer. Is this normal or should it stuck out more?
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Re: Muttster: A long, slow '74 resto-mod

Postby grandpaul » Sat Aug 05, 2017 6:23 am

The taper fit does the job, the key is just to keep it there.
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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Sat Aug 05, 2017 7:05 pm

Ok, thanks Paul.

I have seen a bunch of talk about welded rotors flying apart, and my rotor is original but has this crack in it. No idea how long it has been there and I am assuming it is just a surface defect and ok?

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Re: Muttster: A long, slow '74 resto-mod

Postby Bob Matthews » Sun Aug 06, 2017 5:22 am

Just looks like a casting defect to me and not a crack.

I'd use it as is without hesitation.
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Re: Muttster: A long, slow '74 resto-mod

Postby grandpaul » Sun Aug 06, 2017 6:39 am

Bob Matthews wrote:Just looks like a casting defect to me and not a crack.

I'd use it as is without hesitation.

Agreed, but I always clamp them in between two large washers in a vice, then wind a rubber strap wrench (Craftsman) around the body and see if it rotates at all in either/both directions.
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Re: Muttster: A long, slow '74 resto-mod

Postby Bernhard » Mon Aug 07, 2017 3:12 am

Alternately, you could mount it between centres on arbour on a lathe and run at crankshaft speed to see is it holds up cheaper than a damaged primary chain case …………………..

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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Mon Aug 07, 2017 7:21 pm

Don't have a rubber strap wrench let alone a lathe. Will try and figure something else out.
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