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Search took 0.06 seconds. Search: Posts Made By: ducsingle
Forum: Old's Cool 01-05-2012, 02:02 PM
Replies: 24
Views: 3,028
Posted By ducsingle
They're good for stock BMW stuff, but not...

They're good for stock BMW stuff, but not necessarily aftermarket bits. I ordered some stainless pushrod tubes from them many years ago. The outer diameter of the tubes was waaaay too small. When...
Forum: Hacks 01-03-2012, 03:05 PM
Replies: 1,512
Views: 309,854
Posted By ducsingle
FS: Ural Sidecar (San Francisco Bay Area)

I just posted this for sale in the Flea Market section:

http://www.advrider.com/forums/showthread.php?t=753504

$1500/BO.
Forum: Old's Cool 11-04-2011, 11:05 AM
Replies: 2
Views: 1,600
Posted By ducsingle
40th Anniversary Griffith Park Sidecar Rally: November 6, 2011 in Los Angeles, CA

40th Anniversary Griffith Park Sidecar Rally

November 6, 2011 in Los Angeles, California

SPECTATORS FREE !!!

Learn all about sidecars and see some of the best and most unusual sidecars in...
Forum: Old's Cool 11-03-2011, 04:52 PM
Replies: 19
Views: 1,624
Posted By ducsingle
http://www.motomelee.com http://socaltt.com ...

http://www.motomelee.com

http://socaltt.com

http://www.girodcalifornia.com

There are also a couple of East Coast motogiro events in the fall and spring. You should be able to find the...
Forum: Old's Cool 11-03-2011, 12:32 PM
Replies: 126
Views: 19,027
Posted By ducsingle
If registration fees were paid within the past...

If registration fees were paid within the past few years, the bike will still be in the DMV system. Vintage bikes (this bike qualifies because 25+ years old) are exempt from non-op requirements in...
Forum: Old's Cool 11-03-2011, 12:12 PM
Replies: 19
Views: 1,624
Posted By ducsingle
What do you mean by event? Are you...

What do you mean by event?

Are you interested in vintage motorbike shows?

Or are you interested in vintage motorbike rides? Google Moto Melee, So-Cal TT, Nor-Cal TT, California Motogiro. ...
Forum: Airheads 10-31-2011, 12:48 AM
Replies: 22
Views: 2,289
Posted By ducsingle
I'm pretty certain Ted Porter sends heads to Bob...

I'm pretty certain Ted Porter sends heads to Bob Grauer, and probably marks up the work considerably.
Forum: Old's Cool 10-18-2011, 10:59 AM
Replies: 84
Views: 6,367
Posted By ducsingle
You've only been searching for a couple of weeks?...

You've only been searching for a couple of weeks? You're not showing much patience. And it looks like others found decent bikes fairly close to you without much effort. Per my earlier post, search...
Forum: Old's Cool 10-17-2011, 10:45 PM
Replies: 84
Views: 6,367
Posted By ducsingle
Why? This bike isn't special. There are any...

Why? This bike isn't special. There are any number of similar /5's for sale at any given time in the U.S. It's only a matter of time until one comes up for sale more locally, and that's at least...
Forum: Airheads 10-16-2011, 09:07 PM
Replies: 23
Views: 1,787
Posted By ducsingle
BMW frames are comprised of mild steel tubing - -...

BMW frames are comprised of mild steel tubing - - - as in recycled cars. So deformation from welding those frame gussets/braces isn't much of a concern. Things might be different if the tubing was...
Forum: Old's Cool 10-16-2011, 08:09 PM
Replies: 84
Views: 6,367
Posted By ducsingle
You should ride a solo seat before you buy one. ...

You should ride a solo seat before you buy one. I put one on my /5 and it lasted about a month before I went back to the standard seat.

A /5 essentially has the same suspension as a /6. And if...
Forum: Old's Cool 10-15-2011, 11:31 AM
Replies: 84
Views: 6,367
Posted By ducsingle
The bike might make it, or it might blow up in...

The bike might make it, or it might blow up in the middle of nowhere and you will wind up spending in excess of the shipping estimates to get it home. If you are willing to take that chance and have...
Forum: Airheads 10-14-2011, 05:25 PM
Replies: 23
Views: 1,787
Posted By ducsingle
At low speeds the frame is generally under less...

At low speeds the frame is generally under less loading than at higher speeds over technical terrain, so the difference between a braced and unbraced frame would be significantly less noticeable.
Forum: Airheads 10-14-2011, 05:23 PM
Replies: 23
Views: 1,787
Posted By ducsingle
There's no need to "straighten" the frame after...

There's no need to "straighten" the frame after installing these types of reinforcements, although it would be wise to start with a frame that was straight to begin with.
Forum: Old's Cool 10-14-2011, 05:20 PM
Replies: 22
Views: 1,420
Posted By ducsingle
Read the fork alignment article on Duane...

Read the fork alignment article on Duane Ausherman's web-site.

A 3.25 Metzler should fit fine. Note that a 3.25 Avon is about 0.4-inches wider than a 3.25 Metzler and will rub the /6 fender...
Forum: Airheads 10-14-2011, 11:36 AM
Replies: 23
Views: 1,787
Posted By ducsingle
Any good TIG welder can do this if you can't find...

Any good TIG welder can do this if you can't find a shop that specializes in frames locally.
Forum: Old's Cool 10-12-2011, 12:04 PM
Replies: 8
Views: 1,389
Posted By ducsingle
Obviously a PO modified the bike if the swingarm...

Obviously a PO modified the bike if the swingarm is reinforced.

You can put a kickstarter on any airhead transmission if you want to spend the $$$. They're not particularly useful though.
Forum: Airheads 10-12-2011, 11:53 AM
Replies: 10
Views: 1,092
Posted By ducsingle
You must be particularly sensitive to engine...

You must be particularly sensitive to engine vibrations if your R80 bothers you after 3 hours, assuming the engine is in good running order.

R1100 and R1150 oilheads vibrate more than an R100,...
Forum: Airheads 09-29-2011, 04:41 PM
Replies: 13
Views: 1,153
Posted By ducsingle
Have you ridden either bike or a sidecar rig? If...

Have you ridden either bike or a sidecar rig? If not, that should be your first priority. You might think one or both suck.

I have several airheads from 1952 to 1993. And I have an R1100RS. ...
Forum: Old's Cool 09-23-2011, 11:39 AM
Replies: 10
Views: 1,574
Posted By ducsingle
An R100R already has an oil cooler. I'm...

An R100R already has an oil cooler.

I'm planning the same oil pan swap on my R100R.

I was considering adding an oil pan spacer so I could add an oil temperature sensor input for my Vapor...
Forum: Old's Cool 09-19-2011, 07:47 AM
Replies: 9
Views: 945
Posted By ducsingle
Thanks. Wouldn't having the turn-signals mounted...

Thanks. Wouldn't having the turn-signals mounted to the rack make it difficult to remove the seat/rack combination? And why would the turn-signals need to be relocated since the PD rack doesn't...
Forum: Old's Cool 09-18-2011, 11:55 PM
Replies: 5
Views: 1,777
Posted By ducsingle
R80G/S PD Solo Seat/Rack + Hepco & Becker Racks

Has anyone fitted an R80G/S solo seat/rack with a set of Hepco & Becker G/S racks?

The Hepco & Becker side racks appear to fit okay, but the Hepco & Becker center rack interferes with the PD rack....
Forum: Old's Cool 09-18-2011, 11:28 PM
Replies: 9
Views: 945
Posted By ducsingle
R80G/S PD Rear Rack ==> mystery brackets?

Mucho progress on my R80G/S build this weekend.

I bought a PD solo seat + rack quite some time ago. I'm not sure if it's original or a repro.

The rack has a couple of L-shaped brackets at the...
Forum: Airheads 09-16-2011, 11:49 AM
Replies: 31
Views: 3,568
Posted By ducsingle
Think about the geometry. The larger diameter...

Think about the geometry. The larger diameter rotors move the calipers more towards the rim where there is substantially more spoke/caliper clearance.

I currently have the GSXR rotors mocked up...
Forum: Old's Cool 09-15-2011, 11:15 PM
Replies: 9
Views: 1,242
Posted By ducsingle
I'm actually working on (2) transmissions. One...

I'm actually working on (2) transmissions. One is the close ratio transmission described in the OP for a sleeper /5 toaster. The other is a '79 or '80 ribbed case transmission I bought really cheap...
Forum: Old's Cool 09-15-2011, 10:56 PM
Replies: 9
Views: 1,242
Posted By ducsingle
No, I'm going the easy route and installing an...

No, I'm going the easy route and installing an '83 R80 engine in a /5 frame. The bike will be a bitza using a bunch of parts I have lying around.
Forum: Airheads 09-15-2011, 10:49 PM
Replies: 31
Views: 3,568
Posted By ducsingle
A cheaper, but non-stock alternative. Buy late...

A cheaper, but non-stock alternative. Buy late 80's GSXR-750 rotors. These have a 5-bolt, 81mm bolt circle diameter mounting pattern, but you can drill an offset BMW mounting pattern easily enough....
Forum: Old's Cool 09-15-2011, 06:24 PM
Replies: 9
Views: 1,242
Posted By ducsingle
This bike won't see much around town use. I...

This bike won't see much around town use.

I think there are (3) different '81 and later input shafts, and I'm pretty sure all are still available?
Forum: Old's Cool 09-15-2011, 06:21 PM
Replies: 9
Views: 1,242
Posted By ducsingle
Similar thread: ...

Similar thread:

http://advrider.com/forums/showthread.php?t=500464&highlight=input+shaft

Looks like I definitely need a new rear cover, clutch pushrod, and throwout bearing assembly as the...
Forum: Old's Cool 09-15-2011, 05:58 PM
Replies: 9
Views: 1,242
Posted By ducsingle
BMW Transmission Input Shaft and Clutch Pushrod Questions

I have a smooth case (pre-79) BMW transmission with an unobtanium close-ratio gearset. This transmission has the earlier 24mm spline length input shaft with splines in excellent condition

My plan...
Forum: Old's Cool 09-08-2011, 03:07 AM
Replies: 16
Views: 1,326
Posted By ducsingle
Then he should opt for an R100 engine. Or find a...

Then he should opt for an R100 engine. Or find a bottom end and install a 1070 kit. Larger displacement = more torque = faster acceleration.
Forum: Old's Cool 08-27-2011, 11:17 PM
Replies: 5
Views: 1,002
Posted By ducsingle
Thanks for the info. I don't think a tach is...

Thanks for the info.

I don't think a tach is particularly critical on a BMW airhead, but it would be nice if that feature on the Vapor actually worked.

I think the ambient temperature gauge is...
Forum: Old's Cool 08-26-2011, 05:07 PM
Replies: 5
Views: 1,002
Posted By ducsingle
Trailtech Vapor Tachometer Occasionally Reading Off-Scale High

About a month ago I installed a Trailtech Vapor unit on my R100R. It seems like a nice product, and I've generally been happy with it.

Starting about a week ago, the tachometer will occasionally...
Forum: Old's Cool 08-24-2011, 12:54 AM
Replies: 13
Views: 1,662
Posted By ducsingle
Take a look at the Heidenau tires. They have a...

Take a look at the Heidenau tires. They have a correct, vintage looking pattern and are high quality tires. Unfortunately, they don't last very long - - - I got less than 2500 miles out of my last...
Forum: Old's Cool 08-22-2011, 12:36 AM
Replies: 33
Views: 2,387
Posted By ducsingle
If you can't find the original pistons and don't...

If you can't find the original pistons and don't want to re-bore, you'll have to get your current bore checked as I believe the pistons came in A, B, and C sizes, at least for the standard bore...
Forum: Airheads 08-18-2011, 05:54 PM
Replies: 9
Views: 779
Posted By ducsingle
Thanks for the input. Seems like lots of good...

Thanks for the input. Seems like lots of good options.
Forum: Airheads 08-18-2011, 12:40 PM
Replies: 8
Views: 1,013
Posted By ducsingle
Good info. No worries on the speedo cable rubber...

Good info. No worries on the speedo cable rubber hood as I'm running a Vapor electronic speedo. The transmission speedo cable hole has a Touratech plug in it.
Forum: Airheads 08-18-2011, 11:54 AM
Replies: 9
Views: 779
Posted By ducsingle
R100R / R100GS ==> lower footpeg options

I would like a little more legroom on my R100R, which of course is essentially the same bike as an R100GS.

What are the plug-and-play options for lowering footpeg position, BMW or otherwise?
Forum: Airheads 08-18-2011, 11:50 AM
Replies: 15
Views: 1,213
Posted By ducsingle
I wouldn't hesitate to ride my '70 /5 (or any...

I wouldn't hesitate to ride my '70 /5 (or any other number of vintage bikes) that far. However, it sounds like the CB750, which isn't a modern bike, could do the same trip.
Forum: Airheads 08-18-2011, 11:47 AM
Replies: 8
Views: 1,013
Posted By ducsingle
R100R / R100GS Swingarm Pivot Oil Leak

I figured out a weird oil leak on my somewhat new to me R100R.

Oil was seeping out of the right swingarm pivot and down to the rear brake lever pivot area, but of course the paralever swingarm...
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