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pre-unit

  1. The Board
    As some of you know, i've been collecting parts to put a Pre-Unit Triumph together. Picked up a set of cases at Wauseon a couple years ago (intended for a trike project that seems to have gotten lost in the clutter...). Then i got an OE rigid frame that needs a little love. Those parts have...
  2. New? Introduce yourself here!
    Hello All, New to the forum obviously, Have been reading posts on this site for sometime now. Nothing like a group of like minded people getting together to solve some problems. I've been working on bikes since I was a kid, and finally pick up an oldie that I wanted since that time (1957...
  3. The Board
    Hey everyone. I'm slowly gathering parts to build up a Triumph pre-unit, but I cant get my hands on an early rigid frame. I'll be going with 53+ front loop, and I'd like to build a hardtail to match the rear section of an earlier rigid frame as closely as possible. If anyone would be...
  4. The Board
    Still cold here but I've been out riding every Sunday for the past two weeks even if it was only 17 or 18 degrees out. Last Sunday it was at least above freezing and sunny. The bike is a 1955 Triumph Thunderbird modified to look like James Dean's 1955 Trophy for a movie shoot in Toronto on...
  5. The Board
    Well I might have stuffed up big time. I bought this chain and it was quite a few links to big so I cut it down to about 70 links and then I cut 1 more link off of it because it was too sloppy. Now it's at about 68 links and the thing is super tight and I might need to adjust the gearbox a...
  6. The Board
    Recently I found out that the guy who had rebuilt the engine I bought had put a big journal crank (late pre-unit/early unit) into the 52 6t engine. I am still using the original early rigid big hump primary case. So I decided the best thing was to use the later cush drive in the clutch and run...
  7. The Board
    I have a 1952 Triumph 6t. I've ran two of my oil lines and having trouble with the other two. I order all the parts for the oil tank, but for the feed line I received a nut that doesn't seem long enough and no nipple to attach the line to. Does anyone have a picture of what it should look like...
  8. The Board
    Hi guys, Just bought a sweet lowbrow P-Nut tank and the thing is the ducks Nuts. Now the hard part how to mount it on the bike. I thought about drilling into the frame and bolting it on, but the bike is matching numbers. My other idea was to pop rivet or weld a steel fastener to the tabs and...
  9. New? Introduce yourself here!
    Been peripherally aware of this site for quite some time, but been into Japanese bikes mostly, so not spent a lot of time here. Well that all changed when I couldn't resist a deal for a '67 BSA Hornet frame with a hardtail on the local CL. Long story short, I'm getting a crash course on Brit...
  10. The Board
    Hi guys, Just wondering if I could get some opinions on the direction of my bike build. I got given a tank with my 52 triumph 6t basket case, but it's too big and doesn't sit right. So I've considered switching to a peanut tank or a narrow alien tank? The peanut would make the bike look less...
  11. The Board
    Hey Guys, I know I should be posting in the wanted section of the swap meet forum, but it won't let me post anything in there. Just wondering if anyone had a pre-unit rigid hub brake lever, spring and a nut? Also does anyone have a picture of a pre-unit rear brake hub with parts numbers. I...
  12. The Board
    Hey Guys, Still pottering along with the build on my '52 6t. I still need a shit load of parts to finish this thing off. I've got myself a parts manual. So i was just wondering what a good site or company is to order to the remaining using the part number? Cheers, Greg
  13. The Board
    Hey There, Just bought a set of cups, cones and bearings for the headstock for my '52 Triumph 6t? I have a top cup in the frame already, but want to replace it with the new one. What is the best way to get it out (it's in their pretty good)? Also anyone got any advice on instructions for...
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