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Search: Posts Made By: Wirespokes
Forum: Airheads 12-20-2014, 07:51 PM
Replies: 7
Views: 237
Posted By Wirespokes
I believe Motobins sells stainless pistons. Yours...

I believe Motobins sells stainless pistons. Yours definitely is a problem.

I've fixed a bunch of calipers and haven't needed to replace seals yet. Usually the groove the square section o-ring...
Forum: Airheads 12-20-2014, 07:20 PM
Replies: 12
Views: 502
Posted By Wirespokes
It is possible to make it work again if the shaft...

It is possible to make it work again if the shaft seal is still good. The fatter tubular section is the reservoir and it's sealed up with some sort of hard caulking material. Often, that's what...
Forum: Airheads 12-19-2014, 08:51 PM
Replies: 18
Views: 727
Posted By Wirespokes
Good question! I always figured a bad o-ring...

Good question! I always figured a bad o-ring would cause fuel starvation. Maybe it's because there isn't enough pressure differential to force a large amount of fuel into the throat, only enough to...
Forum: Airheads 12-19-2014, 08:07 PM
Replies: 18
Views: 653
Posted By Wirespokes
Here you go: ...

Here you go:

http://www.bmwthrottlesprings.com/

Just this last year I got some and they really helped a lot. Not that I've ever had trouble holding the throttle open, but they are much more...
Forum: Airheads 12-19-2014, 07:55 PM
Replies: 13
Views: 487
Posted By Wirespokes
First the bezel comes off. Then there are three?...

First the bezel comes off. Then there are three? screws on the bottom side to remove. There's also a pin that needs to be unsoldered. Then the clock can come out of the bucket, and the reset assembly...
Forum: Airheads 12-18-2014, 08:19 PM
Replies: 18
Views: 727
Posted By Wirespokes
Make sure the idle jet and pilot jet o-rings...

Make sure the idle jet and pilot jet o-rings aren't damaged. The sharp edges of the brass easily slices the o-rings, and then the slit hides where it's not visible. You'd think it wouldn't make any...
Forum: Airheads 12-16-2014, 08:51 PM
Replies: 18
Views: 832
Posted By Wirespokes
I go through that sort of thing with every 'new'...

I go through that sort of thing with every 'new' bike I get.

Get out the dremel and grind off the excess thread for the valve cover stud and be done with it.

I usually start with the mixture...
Forum: Airheads 12-16-2014, 08:39 PM
Replies: 59
Views: 2,325
Posted By Wirespokes
Or perfectly good ones either. :D Of course...

Or perfectly good ones either. :D

Of course they're not supposed to vent through gaps in the gasket.

I took a look at one of the early 32mm Bings this morning - 64/32/13 - it's got the...
Forum: Airheads 12-15-2014, 07:23 PM
Replies: 59
Views: 2,325
Posted By Wirespokes
Since the cork float bowl gasket plays no part in...

Since the cork float bowl gasket plays no part in sealing the area from atmosphere, I dare anyone to explain to me how cold starts could be affected by a compromised seal.

The enrichener gasket -...
Forum: Airheads 12-14-2014, 07:37 PM
Replies: 59
Views: 2,325
Posted By Wirespokes
Like Disston says - the enrichener gasket needs...

Like Disston says - the enrichener gasket needs to keep out air, the float gasket keeps in the fuel.

boxerboy81 - I haven't checked out all of the different years of Bing CVs, but the one I did...
Forum: Airheads 12-14-2014, 07:17 PM
Replies: 36
Views: 1,128
Posted By Wirespokes
Correct. With the solid mounts the brown ground...

Correct. With the solid mounts the brown ground leads won't be necessary.
Forum: Airheads 12-14-2014, 12:00 AM
Replies: 59
Views: 2,325
Posted By Wirespokes
Just to make sure - I took a look at a 32mm Bing,...

Just to make sure - I took a look at a 32mm Bing, #358, a mid 80s R80 carb. It's got an air vent to the choke well, so that area isn't at any sort of vacuum. It's open to the atmosphere.

I...
Forum: Airheads 12-13-2014, 07:13 PM
Replies: 46
Views: 2,013
Posted By Wirespokes
At the 90S rally this summer in Pennsylvania I...

At the 90S rally this summer in Pennsylvania I sat next to Udo Geitl at dinner one night. One of the things he told me was that if the piston weighs less than 500 grams, no flywheel counterweights...
Forum: Airheads 12-13-2014, 06:58 PM
Replies: 23
Views: 1,010
Posted By Wirespokes
I practically live at sea level, and when I rode...

I practically live at sea level, and when I rode through the rockies with the R100R (32mm CV Bings ) it didn't want to idle either. It would die. Perhaps your 80GS is jetted lean already? Or the idle...
Forum: Airheads 12-13-2014, 12:45 AM
Replies: 23
Views: 1,010
Posted By Wirespokes
I haven't run slide carbs at altitude, but can't...

I haven't run slide carbs at altitude, but can't see how there would be any difference between the two in this regard - just as SS says. If you look at it, the only real difference between a slide...
Forum: Airheads 12-13-2014, 12:24 AM
Replies: 46
Views: 2,013
Posted By Wirespokes
It was apart a couple years ago for new rings. I...

It was apart a couple years ago for new rings. I don't recall it having an added lining. Didn't notice anything unusual.

Wireworker cut a cylinder in half lengthwise and posted the photo here. The...
Forum: Airheads 12-11-2014, 07:01 PM
Replies: 59
Views: 2,325
Posted By Wirespokes
Since the float bowl is open to atmosphere the...

Since the float bowl is open to atmosphere the only harm I can figure from a bad cork gasket is leaks. I don't see how starting could be at all affected. Even the choke pick-up tube area is vented....
Forum: Airheads 12-11-2014, 06:51 PM
Replies: 46
Views: 2,013
Posted By Wirespokes
What I've heard is that the 79 and 80 R65 non...

What I've heard is that the 79 and 80 R65 non nikasil barrels can be bored to 94mm. That's evidently what was done with mine. And then Venolias were installed - guessing they're pretty custom.
...
Forum: Airheads 12-11-2014, 06:22 PM
Replies: 23
Views: 1,055
Posted By Wirespokes
Thanks for that. Very cool! I never would...

Thanks for that. Very cool!

I never would have guessed they'd run in all the transmission cover screws at the same time.

And what did you think of lifting the bike by the footpegs?
Forum: Airheads 12-10-2014, 10:15 PM
Replies: 46
Views: 2,013
Posted By Wirespokes
Since we're quibbling over words - let's just say...

Since we're quibbling over words - let's just say it as it is. The R65 has a shorter stroke than the rest of the airheads.

In stock form, it may not be a short stroke motor, but the stroke is...
Forum: Airheads 12-10-2014, 09:59 PM
Replies: 34
Views: 1,626
Posted By Wirespokes
Works for me too. But when I first start it up, I...

Works for me too. But when I first start it up, I ride off immediately and take it for a good 30-mile ride up hills, accelerating, decelerating, and generally working the engine.
Forum: Airheads 12-09-2014, 11:57 PM
Replies: 11
Views: 460
Posted By Wirespokes
Take it apart and clean it out. Even with regular...

Take it apart and clean it out. Even with regular bleeding/replacing fluid, there's a pile of sludge in there that somehow gets missed.

Clean up the pistons. Pull the square section o-rings and...
Forum: Airheads 12-09-2014, 11:45 PM
Replies: 46
Views: 2,013
Posted By Wirespokes
Yes, that's not a problem. As a matter of fact,...

Yes, that's not a problem. As a matter of fact, the cylinders can be taken all the way out to 94mm to accommodate R100 pistons.

I have hear that you shouldn't trust the cylinders with anyone not...
Forum: Airheads 12-09-2014, 11:31 PM
Replies: 42
Views: 6,554
Posted By Wirespokes
This one has Venolias, along with custom head...

This one has Venolias, along with custom head work and 34mm Mikuni flat slides. One of my friends rode it and made the comment "who needs a 90S with a bike like this?" That was when I first got it...
Forum: Airheads 12-08-2014, 10:22 PM
Replies: 42
Views: 6,554
Posted By Wirespokes
Not that I ever knew about. It's white with...

Not that I ever knew about. It's white with taped-on pinstripes on the LS fairing. The rest are painted on. It's got a corbin seat. It had a two into one on it when I got it, too noisy, so I put the...
Forum: Airheads 12-06-2014, 08:17 PM
Replies: 74
Views: 2,908
Posted By Wirespokes
Every time I need to renew the registration on my...

Every time I need to renew the registration on my 77S (RS), the clerk has to call Salem because there's a flag on the title - something about the 7 digit Vin. After farting around for a half hour...
Forum: Airheads 12-04-2014, 09:47 PM
Replies: 74
Views: 2,908
Posted By Wirespokes
Are those the guys from The Great Escape?

Are those the guys from The Great Escape?
Forum: Airheads 12-04-2014, 09:34 PM
Replies: 6
Views: 391
Posted By Wirespokes
Now's a good time to take careful measurements...

Now's a good time to take careful measurements and cut a spacer to keep the filter at the proper depth. Re-assemble, and never worry about the $2000 o-ring again.
Forum: Airheads 12-04-2014, 09:30 PM
Replies: 14
Views: 518
Posted By Wirespokes
Like any repair work, the first step is trouble...

Like any repair work, the first step is trouble shooting to know exactly what's wrong.

When working with electrical systems, the basic tool is the volt/ohm meter. You can use a 12 volt test light...
Forum: Airheads 12-04-2014, 09:13 PM
Replies: 75
Views: 2,555
Posted By Wirespokes
Silver bezels?

That's the first I'd heard of silver bezels on the clock and VM. I'd never seen them any color than black. Ever.

I've seen several in the area here besides the ones in my garage. No silver bezels...
Forum: Airheads 12-03-2014, 10:56 PM
Replies: 75
Views: 2,555
Posted By Wirespokes
These 77RSs are collectable. They were going for...

These 77RSs are collectable. They were going for a lot of money before the recession - almost as much as the 90S. They'll be back up there again.

You scored - big time! I'm also curious what you...
Forum: Airheads 12-03-2014, 10:43 PM
Replies: 14
Views: 518
Posted By Wirespokes
I'll second the warnings, along with the advice...

I'll second the warnings, along with the advice it's not the switch or flasher.

Definitely get a meter and check it out. Make sure the ground is good. Check to see if there's voltage on the...
Forum: Airheads 12-03-2014, 09:46 PM
Replies: 74
Views: 2,908
Posted By Wirespokes
New to airheads? Just because you haven't seen...

New to airheads? Just because you haven't seen anything in the last few months about this issue means it doesn't exist?

And why should WE have to prove to YOU that the issue is real? :huh

I...
Forum: Airheads 12-02-2014, 09:34 PM
Replies: 16
Views: 1,055
Posted By Wirespokes
My thought as well.

My thought as well.
Forum: Airheads 12-02-2014, 09:31 PM
Replies: 36
Views: 1,128
Posted By Wirespokes
Good point! The DF could be plugged into the...

Good point! The DF could be plugged into the grounded side and bypassing the rotor winding completely.
Forum: Airheads 12-02-2014, 09:27 PM
Replies: 74
Views: 2,908
Posted By Wirespokes
Another idea - rather than a mirror, take a...

Another idea - rather than a mirror, take a picture of the steering head. You probably won't see the vin tag since they pointed forward, but you should be able to capture the stamped VIN on the...
Forum: Airheads 12-02-2014, 09:17 PM
Replies: 5
Views: 356
Posted By Wirespokes
Not sure what you did - Unplug all the wires and...

Not sure what you did - Unplug all the wires and replace the whole switch at the handlebar, or just the red part into the switch?

I also don't follow you on the trouble encountered. Are you saying...
Forum: Airheads 12-02-2014, 08:41 PM
Replies: 73
Views: 4,997
Posted By Wirespokes
Probably true! But we all know this isn't a race...

Probably true! But we all know this isn't a race bike - it's an adventure machine that will get you there on or off road. And you could ride it fast off road if you know how, but frankly, these...
Forum: Airheads 12-02-2014, 08:31 PM
Replies: 81
Views: 2,920
Posted By Wirespokes
Patience, grasshopper!

It's best having the length of stud extending from the block. Work with it if you've got it. If it shears off for some reason, then go to PLAN B - remove the engine, etc.

It's always best when...
Forum: Airheads 12-02-2014, 07:57 PM
Replies: 74
Views: 2,908
Posted By Wirespokes
For a grand, it's a steal! (hope not) :D The...

For a grand, it's a steal! (hope not) :D

The frame numbers changed at some point from the steering head to the frame down below the engine mount. If it's a 1978, I think it should be on the...
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