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Warpedscout 74 850 Commando Rebuild

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Warpedscout 74 850 Commando Rebuild

Postby warpedscout » Mon Sep 05, 2016 10:51 am

Been a long while since I have got back on rebuilding my 74 Norton. Friend still has my transmission case and will be getting it finished up in the next month or so. Just got my parts back from the powdercoaters a few days ago. Used the template to blank it off from Old Britts, hoping I hit all the correct spots on it!! Have cleaned and painted blanking areas and waxed. WIll probably do another wax to make sure have a good one on it. Had frame coated Semi Gloss black, the guys who did it gave me a good deal. Was $150 to blast and PC, I went back to blank it to save the money and a lot of headaches!! Hope to make at least monthly progress on this but having to deal with contractor putting in pool and may have to resort to legal actions. Fiancee is wanting me to rain fire and brimstone on him but don't want to end up spending more money that could be reserved for Norton!! LOL.

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Removing blanking

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Blanking on frame

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Painted and waxed

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My attempt at removing paint with citrus strip. Needless to say it did'nt work out too good! LOL
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Re: Warpedscout 74 850 Commando Rebuild

Postby lcrken » Mon Sep 05, 2016 12:14 pm

I've been using Citrus Strip to remove paint from some wheels, and it seems to really need to sit for at least 30 minutes to do it's work. It also requires multiple applications. Not nearly as effective as the old methylene chloride based strippers.

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Re: Warpedscout 74 850 Commando Rebuild

Postby warpedscout » Mon Sep 05, 2016 12:28 pm

I let it sit for a while, over 30 minutes and would barely strip off the frame and some parts. Was able to strip the kick stand and battery box but was about all. Was easier to let these guys blast and PC, took me forever to find someone in my area to do this for me. EPA has shut a lot of these guys down or run them out of business. Any further blasting I can handle in my friends small blasting cabinet when we get to the transmission case, engine lower and any other pieces I decide that need blasting.
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Re: Warpedscout 74 850 Commando Rebuild

Postby grandpaul » Mon Sep 05, 2016 2:41 pm

What's your plan for the engine? Any warm-up mods?
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Re: Warpedscout 74 850 Commando Rebuild

Postby warpedscout » Mon Sep 05, 2016 7:21 pm

Not sure on engine yet. Want a fresh rebuild and see what I'm working with. Will be a few mods like crankcase breather and oil weyr mod. Man objective is to refresh bike and do the modifications to make it more daily driver. Not a big speed demon! Lol
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Re: Warpedscout 74 850 Commando Rebuild

Postby APRRSV » Tue Sep 06, 2016 1:36 am

Hi Warpedscout,
You mentioned blanking templates from Old Britts. Can you elaborate? I've been to the website and can't find anything.

Thanks,
Ed

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Re: Warpedscout 74 850 Commando Rebuild

Postby warpedscout » Tue Sep 06, 2016 5:47 am

Hey Ed,

It is found in the technical articles on the Old Britts site:

http://www.oldbritts.com/powder_coating.html

I went in and printed each article as a PDF on my computer so I will always have them.
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Re: Warpedscout 74 850 Commando Rebuild

Postby APRRSV » Tue Sep 06, 2016 6:32 am

Thanks much for the quick reply.

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Re: Warpedscout 74 850 Commando Rebuild

Postby warpedscout » Thu Sep 15, 2016 2:55 pm

Havent had much time lately. Had to fire pool installer and looking for new one. I pulled everything out a few days ago so I could put hands on everything and try to get it in a more organized mess. Been pulling out all the bolts and pieces that I haven't cleaned yet to feel like I'm making a little progress.

Roll call:
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Bits and pieces
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Been keeping the head and barrel sprayed down to unstick some nuts and such. What is the trick to get the head to let loose?
It is a RH10.

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Working toward getting over to my friends to weld crack in trans case so I can blast and paint it. Rebuild kit is ready to go.
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Re: Warpedscout 74 850 Commando Rebuild

Postby gortnipper » Thu Sep 15, 2016 3:06 pm

There are three nuts that secure the head from the underneath - one on each barrel front (7, 8), and one between the barrels at the rear (2). You will need to grind down the sides of a box end wrench to get it in there on the rear one.

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Re: Warpedscout 74 850 Commando Rebuild

Postby warpedscout » Thu Sep 15, 2016 3:36 pm

Got the bolts and nuts off, think it is just stuck. Have some Aero Kroil sprayed in where the head mates.
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Re: Warpedscout 74 850 Commando Rebuild

Postby gortnipper » Thu Sep 15, 2016 3:46 pm

OK, cool. Apply heat?
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Re: Warpedscout 74 850 Commando Rebuild

Postby warpedscout » Thu Sep 15, 2016 4:22 pm

I have some but not paid it a whole lot of attention. Mainly fishing for do's and dont's. Scared of breaking a fin! Lol
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Re: Warpedscout 74 850 Commando Rebuild

Postby Danno » Thu Sep 15, 2016 10:57 pm

Whack it with a large rubber mallet or use a large ball-peen hammer and a wood block to spread the load over all the fins so you don't break any. Best spot is right at an exhaust port. This should break loose any sealer that was used on the head gasket. If the crank is rotated so one of the exhaust valves is open, the valve spring pressure will help push the head up off the cylinder.
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Re: Warpedscout 74 850 Commando Rebuild

Postby L.A.B. » Fri Sep 16, 2016 2:24 am

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