Forum: The Board
04-24-2015, 07:52 PM
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Replies: 14
Views: 1,777
Re: running engines in "for beginners "
Dude, you are WAY overthinking this for a street bike. No harm. That's what the internet is for, but unless you're racing (and most of the time even if you are racing), it's not at all a big deal. If...
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Forum: The Board
03-12-2015, 08:40 AM
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Replies: 27
Views: 5,899
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Forum: The Board
03-05-2015, 01:49 AM
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Replies: 88
Views: 20,432
Re: New Toy - 1939 Speed Twin
Glad you're able to get going on this project again. Mine are languishing, so the next best thing is seeing somebody else get things done. Good work on the house, though.
I absolutely plan to...
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Forum: The Board
02-24-2015, 12:41 AM
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Replies: 33
Views: 5,446
Re: Best way to bend tubing?
I'm absolutely in the pro-bender camp. You can buy one, use it, and sell it for almost what you paid. They last no time whatsoever on the used market, even at almost full price.
That said, about...
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Forum: The Board
02-17-2015, 11:00 AM
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Replies: 7
Views: 1,429
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Forum: The Board
02-14-2015, 02:21 AM
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Replies: 28
Views: 3,099
Re: Pre unit questions
Holy crap... I actually have something to contribute!
"Whitworth" is a thread form. It's spec'ed as thread set at 55 degrees with the tip and root 1/6th of each thread removed with the points...
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Forum: The Board
02-07-2015, 02:15 AM
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Replies: 77
Views: 13,211
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Forum: The Board
02-03-2015, 10:05 AM
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Replies: 16
Views: 2,075
Re: Butchered frame repair advice(triumph)
Swingarm pivot and bottom rear casting say unit, and it looks like it's been cut and spliced near the bend in the cradle, but by this point, who knows? Someone's done quite a job on that thing. If...
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Forum: The Board
03-14-2014, 02:34 PM
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Replies: 20
Views: 10,696
Re: Khrome Werks HP Baffles?
I ran the HPs on a newer Triumph for about two years, first on a set of straight-through TT pipes, then inside some unbaffled cocktail shakers. They don't quiet things down much, but they make the...
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Forum: The Board
03-14-2014, 01:32 AM
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Replies: 10
Views: 2,447
Re: Inner Bearing Spacer
Yeah. You need a spacer.
http://farm6.staticflickr.com/5474/9685119250_1b98a98485_b.jpg
Sealed wheel bearings have an inner and an outer race. The land supports the outer race. The spacer...
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Forum: The Board
03-03-2014, 01:51 PM
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Replies: 5
Views: 1,531
Re: Triumph Engine Number Sanity Check
Copy that. I'll certainly let you know. When it gets closer to that time I might go for a pre-emptive strike there. I don't like walking in with extra paper, but having a letter in the back pocket...
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Forum: The Board
03-02-2014, 05:53 AM
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Replies: 5
Views: 1,531
Re: Triumph Engine Number Sanity Check
Thank you so much, guys. I'd never have expected a casting to be so ropey in just one specific area with the rest of it so clean, but I learn something new every day.
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Forum: The Board
03-01-2014, 06:17 PM
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Replies: 5
Views: 1,531
Triumph Engine Number Sanity Check
Yeah... there's a Triumph VIN thread running right now, but I think this question is sufficiently different to merit its own thread...? Correct me if I'm wrong, here.
Got a set of cases. Looked at...
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Forum: Wanted
02-24-2014, 02:44 PM
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Replies: 1
Views: 568
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Forum: The Board
02-23-2014, 03:24 PM
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Replies: 27
Views: 2,529
Re: Man, I love old bikes!
It's not at all common in four strokes from my understanding, but my understanding of iron cylinder four strokes is limited. If it were an old Italian scooter, that'd be a different story.
Once...
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Forum: The Board
02-23-2014, 02:42 PM
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Replies: 20
Views: 5,038
Re: swing arm sissy bar: tube or solid rod?
If you look at JP's bar (or practically any on a hardtail), it both supports the fender and gets support from the fender. The fender triangulates the whole assembly, and it also acts like a spring to...
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Forum: The Board
02-23-2014, 01:40 PM
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Replies: 15
Views: 2,081
Re: Rear frame 1/2 deforming from powdercoat oven?
If you haven't, you should just ask whether they did a burn off. I met a coater who'd do them without even mentioning it to customers. Said it was a necessary part of the process and that it didn't...
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Forum: The Board
02-23-2014, 01:22 PM
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Replies: 120
Views: 17,462
Re: building dual carb heads
Uh... awesome.
As someone who's put JB Weld in heads, then taken them apart about 15k miles later, I will be ordering some of the Goodson stuff for the rebuild. The JB was definitely getting...
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Forum: The Board
02-23-2014, 01:10 PM
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Replies: 27
Views: 2,529
Re: Man, I love old bikes!
The behavior Tony is describing is often called a "soft seize", and it's common in air-cooled two-strokes. The fuel mix runs momentarily lean, the piston heats up quicker than the barrel, grabs the...
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Forum: The Board
02-22-2014, 05:50 PM
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Replies: 27
Views: 2,529
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Forum: The Board
02-22-2014, 05:40 PM
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Replies: 20
Views: 5,038
Re: swing arm sissy bar: tube or solid rod?
Right on. Figured as much. When somebody's asking whether a sissy bar will hold a backpack that size, it's usually not for looks.
If you can keep some support under the backpack (fender, seat,...
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Forum: The Board
02-22-2014, 12:35 PM
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Replies: 15
Views: 2,081
Re: Rear frame 1/2 deforming from powdercoat oven?
It's possible that heat warped the thing. It wouldn't have happened during the cure, but many coaters will do a burn off prior to coating at 900 degrees or so to get rid of anything that might try to...
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Forum: The Board
02-22-2014, 05:33 AM
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Replies: 20
Views: 5,038
Re: swing arm sissy bar: tube or solid rod?
I've seen lots of old Triumphs that barely vibrate at all.
They're parked under covers in people's garages.
A hollow bar like mine would probably last for years on one of those.
If you...
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Forum: The Board
02-21-2014, 02:19 PM
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Replies: 20
Views: 5,038
Re: swing arm sissy bar: tube or solid rod?
In 1/2" and not knowing anything else about the bike, I'll throw another vote in for solid.
If you have good suspension and a smooth motor, you can be smart about your mounts and slightly larger...
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Forum: The Board
02-20-2014, 07:36 PM
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Replies: 183
Views: 35,345
Re: just another Trump!
Lean angle. Put a solid peg on the ground hard in a corner and things get really interesting really quickly.
They're handy off pavement too, where solid pegs tend to hang on things.
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