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Member's Restoration & Rebuild Projects Details of member's own projects.

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Old 05-05-2012, 01:29 AM   #1 (permalink)
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73 TR7 basket case

I made a deal over the phone to look at a 73 TR7 motor for $1000. I ended up with a mostly complete bike. The front disc and the seat are missing. It came with an 1986 plate and still has standard pistons. It needs all the usuals: Tires, seat, cables,tank cleaned (I have a near new spare), exhaust pipes and mufflers (silencers), battery, stock handlebars, chain, carb rebuild (or Mikuni) and all rubber parts. The headlight is garbage. I didn't look closely at the wiring harness yet. The speedo reads 13k miles. It's now on my Trident for a check on tomorrow's ride. The head and primary are off and the gears are out of the tranny. I might as well go all the way through it. The rear conical hub is laced to a 16" rim. I have a good 18" spare. I'll likely get a Corbin Gunfighter seat. One cylinder was a little rough. I gave it a light hone and it's borderline now. I'll have it measured and properly honed. I'm hoping I can use the std pistons which cleaned right up as did the cylinder head. A cam upgrade is likely. The engine turns over very smoothly. I keep swearing I'm going to quit doing this. I lie. It also came with an incomplete featherbed style frame. Bob
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73 TR7 basket case-73-t140-basket-case-003.jpg  

Last edited by coloradobob; 05-05-2012 at 02:32 AM.
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Old 05-05-2012, 01:37 AM   #2 (permalink)
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If thats an actual featherbed. Might be able to sell it for $1k.
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Old 05-05-2012, 01:49 AM   #3 (permalink)
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Quote:
Originally Posted by shrugger View Post
If thats an actual featherbed. Might be able to sell it for $1k.
It's a half-ass homemade deal with no tabs, swing arm mount, or neck. Bob
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Old 05-08-2012, 11:11 PM   #4 (permalink)
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Engine work

The cylinders are at Acme Machine shop getting bored 020 over. I checked out a local CL ad for a 72 low frame which has the center stand, both fenders(ratty), a pair of old 1 3/8" push-in pipes, surface rusted rear wheel with antique Michelin, side covers (plastic), and a very nice red/black breadbox gas tank ; all for $500. I passed. I spent the morning removing welding splatter from the '73 frame and sanded off the rust. Rattle-can black is next. I will pick up the packet of paperwork at the license branch tomorrow to start the process of getting a new title (bond, etc, etc). Bob
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Old 05-19-2012, 12:24 AM   #5 (permalink)
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another basket

I painted the frame with Krylon satin black (free). I purchased a lot of '72 parts for $100 from a guy building a bobber. I can use the front rim, rear hub (nuts! its another 16" rim), magura clutch lever, petcocks, center stand, gas cap, flat back headlight (complete but not my favorite style), yamaha taillight, wiring harness, and crappy UK bars (I'll buy a better one). I forgot to pick up the mufflers but I'm going next door to the seller Sunday. I had the battery box and handlebar switches (I can use the screws). The tank is earlier than '72 and has dents. I have a better tank. The chain adjusters are new but the wrong style. Now I need to paint the center stand, but I'm out of paint. I'll probably keep the swing arm. As soon as my pistons come in, Acme Machine will finish boring and honing. I was going to just change the fork oil, but There was water in there. The bigger disappointment is that they are 4" over. I'll check Ebay to see if I won a standard set for $60. Update: I got the fork stanchions for $75 shipped. Big rides this weekend. I can't miss Old Bike Ride 10. Bob

Last edited by coloradobob; 07-10-2012 at 03:00 PM.
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Old 05-25-2012, 05:55 PM   #6 (permalink)
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I got '73 TR7 #1 running with a 20 over rebore ($80) on the cylinder from TR7 #2. I sold my machinist a beat-up WM3-18 rim for - $20. I also swapped a tappet cover and a rocker box with a broken fin (minor). I then dry assembled the engine on bike #2 and ,to my delight, all I'm missing is the 3/8" cylinder head studs and the exhaust pipe stays. The engine was completely apart. I got 3 inner spokes ($7) for the conical rear wheel and trued that up. I'm getting 4 sealed wheel bearings. My stock-length fork tubes ($60) came in yesterday. I have 3 sets of western bars and will mount the best of those. I picked the best set of cross-over pipes and will mount those. I fitted an old rear fender with battery-overflow etching (I hope it'll sand out). I need to do the bottom end on the motor and decide whether to go with a nicasil 750 cylinder and 9.5/1 pistons or bore the iron set to 60 over and go with econo stock compression 8.5/1. I have a used Boyer and 4 sets of points. I'll go electronic on the voltage regulator. I have a complete repro taillight and a flat-back headlight or a couple of cans that I haven't reviewed yet. I may back up and get Avon Distancia dual-sport tires instead of the bridgestones. That should work with the western bars. I'm off to get 30wt non-detergent and start breaking in the rebore on TR7 #1. Lets ride! Bob

Last edited by coloradobob; 05-19-2013 at 07:11 PM.
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Old 05-31-2012, 02:35 AM   #7 (permalink)
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progress costs money

I trued a rear wheel on my high tech rig. I had to replace a bad conical hub. My Bridgestone Trail Wing front tire arrived today. This is a 50/50 dual sport tire and should be fun on the local twisty dirt roads. The rear and tube should be here tomorrow. 60 over pistons and rings are enroute. I welded, cleaned and painted the 73 frame. Then I decided to use my old 72 frame because it has a title. I applied for an off-road registration for the 73 frame. Progressive shocks and springs are on the way along with fork seals. When my pistons get here I'll split the cases and clean the sludge tube. I'll have the cylinders bored to match the pistons and start engine assembly. While I'm waiting on the machine work, I'll weld the 72 frame where the center stand wore a groove. This is a very high mileage frame. The fork rebuild will go quickly when the springs and doughty washers get here. I'm another $1000 on top of my purchase price. Bob
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73 TR7 basket case-before-picture-on-750-build.jpg  

Last edited by coloradobob; 07-10-2012 at 03:00 PM.
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Old 05-31-2012, 06:05 AM   #8 (permalink)
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Hey Bob keep up the good work, its amazing how fast the parts bill adds up when retoring these bikes (worth every penny though)

Mind if i ask what the colour is called on the Triumph in the background of your photo, the Burgundy coloured one? Thinking about a colour like this for the bike i am putting back together at present,

Cheers John.
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Old 05-31-2012, 10:37 AM   #9 (permalink)
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burgundy

I bought the bike painted that color. ??? I don't know the color. Bob
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Old 05-31-2012, 10:45 AM   #10 (permalink)
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isn't it aubergine?
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