72 Combat Proddy Build

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Re: 72 Combat Proddy Build- It begins...

Postby swooshdave » Fri Mar 19, 2010 9:07 pm

grandpaul wrote:Spend $50 more and get braided stainless steel with chrome banjos & button head banjo bolts.


So it's $75 so you won't feel bad about spending more for the stainless braided one?
You probably want to go into town, and find a up to date Jap Bike store,
With a full spares department, a clean workshop, and kean young mechanics.
And ask them if theres a Grumpy Old Bloke out in the Hills, who knows how to fix Real Motorcycles.

Matt
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Re: 72 Combat Proddy Build- It begins...

Postby illf8ed » Fri Mar 19, 2010 9:33 pm

grandpaul wrote:Spend $50 more and get braided stainless steel with chrome banjos & button head banjo bolts.


The plastic original type do have some advantages. The braided stainless act like a hacksaw on anything it touches from the vibes. Also never had a plastic oil line leak, but my stainless a while back leaked from the banjo connections..got it stopped.

Dave,

I've always been a proponent of twin 32mm Amals on my combat. This week took delivery of a used 34mm Mikuni setup.
W will give it a try. Already fitted it up and the air filter delivered doesn't clear the original cleaner backing plate. May need to find a shorter K&N.
David
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http://www.nortonclub.com
'72 750 Commando combat roadster
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Re: 72 Combat Proddy Build- It begins...

Postby swooshdave » Fri Mar 19, 2010 9:35 pm

illf8ed wrote:
grandpaul wrote:Spend $50 more and get braided stainless steel with chrome banjos & button head banjo bolts.


The braided stainless act like a hacksaw on anything it touches from the vibes.


The kit from Old Britts has a clear cover to prevent the marring.
You probably want to go into town, and find a up to date Jap Bike store,
With a full spares department, a clean workshop, and kean young mechanics.
And ask them if theres a Grumpy Old Bloke out in the Hills, who knows how to fix Real Motorcycles.

Matt
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Re: 72 Combat Proddy Build- It begins...

Postby grandpaul » Fri Mar 19, 2010 9:36 pm

Old Britts stainless rocker feed lines have a heavy clear plastic coating.
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Re: 72 Combat Proddy Build- It begins...

Postby swooshdave » Fri Mar 19, 2010 9:47 pm

grandpaul wrote:Old Britts stainless rocker feed lines have a heavy clear plastic coating.


What he said. :mrgreen:
You probably want to go into town, and find a up to date Jap Bike store,
With a full spares department, a clean workshop, and kean young mechanics.
And ask them if theres a Grumpy Old Bloke out in the Hills, who knows how to fix Real Motorcycles.

Matt
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Re: 72 Combat Proddy Build- It begins...

Postby B+Bogus » Sat Mar 20, 2010 1:26 am

swooshdave wrote:
Image
Speaking of which, why is this $75? Three banjos and some plastic tubing...


:shock: Ouch!

http://www.rgmmotors.co.uk/

065561 ROCKER OIL FEED PIPE £ 22.48

With VAT, shipping etc it may get to $50? I chose to stay 'original' here as the braided hose with stacked banjos looks less pleasing to my eye, at least.

Just my ha'pennyworth (VAT & decimalisation not included)
Cheers,

Andy

1974 Commando Roadster
1964 650SS Cafe Racer project
Production Racer project in gestation
1975 Ducati 900ss x2
1976 Triumph Bonneville
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Re: 72 Combat Proddy Build- It begins...

Postby L.A.B. » Sat Mar 20, 2010 1:41 am

B+Bogus wrote:With VAT, shipping etc it may get to $50?


There's no VAT (17.5%) added to items sent outside the EU, although of course for some countries, there could be import duty to pay when it arrives?
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Re: 72 Combat Proddy Build- It begins...

Postby swooshdave » Sat Mar 20, 2010 11:22 pm

Image
Image

CLeaned these up a bit. They still were a little greasy. Need to finish the gearbox before the inner can go on. Luckily the alternator studs are still attached.
You probably want to go into town, and find a up to date Jap Bike store,
With a full spares department, a clean workshop, and kean young mechanics.
And ask them if theres a Grumpy Old Bloke out in the Hills, who knows how to fix Real Motorcycles.

Matt
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Re: 72 Combat Proddy Build- It begins...

Postby grandpaul » Sun Mar 21, 2010 3:43 pm

Are those hairline cracks radiating from the center stud hole on the backside?

Typical evidence of former improper spacing of the stud/case clearance AFTER tightening the 3 main crankcase screws. Worse examples also exhibit cracking at the 3 screw locations.
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Re: 72 Combat Proddy Build- It begins...

Postby swooshdave » Sun Mar 21, 2010 10:08 pm

grandpaul wrote:Are those hairline cracks radiating from the center stud hole on the backside?

Typical evidence of former improper spacing of the stud/case clearance AFTER tightening the 3 main crankcase screws. Worse examples also exhibit cracking at the 3 screw locations.


Good eye. But if you are familar enough with the cracks back there you already know that they are just the casting marks. :mrgreen:

Image
You probably want to go into town, and find a up to date Jap Bike store,
With a full spares department, a clean workshop, and kean young mechanics.
And ask them if theres a Grumpy Old Bloke out in the Hills, who knows how to fix Real Motorcycles.

Matt
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Re: 72 Combat Proddy Build- It begins...

Postby swooshdave » Sun Mar 21, 2010 10:16 pm

OIL TANK

So I started the next part, the oil tank. I pulled out the fuel tank and seat and started to see how it'd fit together.
Image

First good news is that there is plenty of clearance for the headsteady (which is still unfinished but let's not go there...)
Image

Image

The traditional Proddy mod is to trim or fold over the top seam of the oil tank. What I really need is to get all the mounts (fuel and oil tank and seat) and really see where everything will sit.

Image

Oh, and if I am going to mod the way the oil tank mounts. I hear the stock setup is less than desirable.
Last edited by swooshdave on Sun Mar 21, 2010 10:19 pm, edited 1 time in total.
You probably want to go into town, and find a up to date Jap Bike store,
With a full spares department, a clean workshop, and kean young mechanics.
And ask them if theres a Grumpy Old Bloke out in the Hills, who knows how to fix Real Motorcycles.

Matt
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Re: 72 Combat Proddy Build- It begins...

Postby swooshdave » Sun Mar 21, 2010 10:18 pm

I hit a few parts with some spray paint. The ends of the center stand mount where left un-powdercoated so I touched them up. Also the side cover mount.
Image
Image

And I need to start thinking about the oil lines before I get too far.

Image

Does someone have a clear guide on which lines go where? Hey, let me answer my own question...
http://www.oldbritts.com/oillines.html
Image
You probably want to go into town, and find a up to date Jap Bike store,
With a full spares department, a clean workshop, and kean young mechanics.
And ask them if theres a Grumpy Old Bloke out in the Hills, who knows how to fix Real Motorcycles.

Matt
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Re: 72 Combat Proddy Build- It begins...

Postby pvisseriii » Tue Mar 23, 2010 8:32 am

oops
Last edited by pvisseriii on Tue Mar 23, 2010 1:14 pm, edited 1 time in total.
Nortons, when they're right, they're righteous!
72 Commando Combat Roadster
Frame 149xxx,
Crankcase 210XXX
Gearbox 235xxx
and they all "match" up perfectly.
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Re: 72 Combat Proddy Build- It begins...

Postby swooshdave » Tue Mar 23, 2010 9:15 am

pvisseriii wrote:This oil line diagram is a good guideline and is pretty much all you or I need, but I wish i could see it in the early 72 version.

Preferably this general area.
Image


I'm pretty sure it's exactly the same aside from the oil pickup location. Routing of lines, etc. is identical, I believe.
You probably want to go into town, and find a up to date Jap Bike store,
With a full spares department, a clean workshop, and kean young mechanics.
And ask them if theres a Grumpy Old Bloke out in the Hills, who knows how to fix Real Motorcycles.

Matt
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Location: Portland, Oregon

Re: 72 Combat Proddy Build- It begins...

Postby pvisseriii » Tue Mar 23, 2010 9:37 am

yikes
Last edited by pvisseriii on Tue Mar 23, 2010 1:14 pm, edited 1 time in total.
Nortons, when they're right, they're righteous!
72 Commando Combat Roadster
Frame 149xxx,
Crankcase 210XXX
Gearbox 235xxx
and they all "match" up perfectly.
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Posts: 2110
Joined: Sat Oct 31, 2009 4:24 pm
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