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Search: Posts Made By: RayB
Forum: Airheads 10-02-2014, 11:37 AM
Replies: 25
Views: 1,388
Posted By RayB
Bill Can you tell us about that LED...

Bill

Can you tell us about that LED voltmeter mounted left of the headlight?

Ray
Forum: Airheads 09-17-2014, 02:40 PM
Replies: 25
Views: 1,629
Posted By RayB
MCWriter: 1. What was the HD part number? ...

MCWriter:

1. What was the HD part number?
2. What is the primary coil resistance of that HD coil?
Forum: Airheads 09-04-2014, 08:10 PM
Replies: 11
Views: 785
Posted By RayB
+1 the bearings I bought for those locations came...

+1 the bearings I bought for those locations came with dbl seals. I popped the inbord seal off so gear lube could do its thing for those bearings.

This arrangement matched my 'box on its first...
Forum: Airheads 09-03-2014, 08:37 PM
Replies: 11
Views: 641
Posted By RayB
Pic of scoring on rotor poles ...

Pic of scoring on rotor poles

http://i1313.photobucket.com/albums/t557/LuftkopfRay/SDC12426_zpsad6d0fcb.jpg
Forum: Airheads 09-03-2014, 08:26 PM
Replies: 11
Views: 641
Posted By RayB
Bill The vendor is one of the two good ones...

Bill

The vendor is one of the two good ones in the area of BMW electrics. I don't want to go there by naming names.

The rotor is advertised as good for 1969 to 1995 and I did ssay my Model...
Forum: Airheads 09-03-2014, 07:18 PM
Replies: 11
Views: 641
Posted By RayB
Maybe take some pics Thurs. Yes, the stator...

Maybe take some pics Thurs.

Yes, the stator was mounted properly and the rotor bolt torqued to "Goodentite"

The scores are slight but there was interference nonetheless.
Vendor recommended a...
Forum: Airheads 09-03-2014, 05:26 PM
Replies: 11
Views: 641
Posted By RayB
Question Best Way to Shave Down Alt Rotor

I recently had a charging problem that turned out to be the VR. I decided to order an aftermarket replacement rotor anyway - its not getting any younger. Thought was to have the original as a spare....
Forum: Airheads 09-02-2014, 12:25 PM
Replies: 11
Views: 1,049
Posted By RayB
Tomato, taMatto You are right, it not called a...

Tomato, taMatto
You are right, it not called a flywheel, its called "Clutch Housing" per the Max Parts Fiche.

But it does have some flywheel characteristics ( wR^2) since has a weight and does...
Forum: Airheads 09-02-2014, 09:10 AM
Replies: 11
Views: 1,049
Posted By RayB
[QUOTE][/on post '81 engines I guess the clutch...

[QUOTE][/on post '81 engines I guess the clutch carrier has to be attached. Otherwise the crank will fall off the back thrust washer, maybe. <!-- / message --><!-- sig -->QUOTE].....Huh??? As long as...
Forum: Airheads 09-02-2014, 07:01 AM
Replies: 15
Views: 1,060
Posted By RayB
OP says "let it run for a while and voltage...

OP says "let it run for a while and voltage drops...was that at 3k-4k?
OP says "let it idle for while" and volts drop to 12.3 or so. That would be normal wouldn't it- to pretty much draw off the...
Forum: Airheads 08-20-2014, 02:31 PM
Replies: 1
Views: 270
Posted By RayB
Mine go about every 5 years. No big deal. Get one...

Mine go about every 5 years. No big deal. Get one from motobins or if in a urry from your local auto parts store
Forum: Airheads 08-19-2014, 05:38 PM
Replies: 19
Views: 1,401
Posted By RayB
Ok All the guys that said it was the VR -...

Ok

All the guys that said it was the VR - you win. Regulator IS bad:clap

I don't mind saying I goofed - in more than one way.
Forum: Airheads 08-18-2014, 08:01 PM
Replies: 19
Views: 1,401
Posted By RayB
I re-evaluated. My last test, key on, not...

I re-evaluated.
My last test, key on, not running, showed 11.6v at the DF brush connection, unplugged from the brush with vom connected to DF connection and ground ( with a 12.7v batt !) so i'm...
Forum: Airheads 08-17-2014, 11:16 AM
Replies: 19
Views: 1,401
Posted By RayB
2nd Test

Ran a second test for yux and yes there was a 7ohm error on my Radio Shack VOM

Results:
batt volts disconnected = 12.75v ( didn't recharge since last test but, ok)
batt volts connected = 12.73v...
Forum: Airheads 08-16-2014, 01:18 PM
Replies: 19
Views: 1,401
Posted By RayB
Yes at very low idle red light came on as usual....

Yes at very low idle red light came on as usual. Goes out if revved a little higher. Behaves as normal on cold start.

Never did get higher than battery voltage at higher RPM
Forum: Airheads 08-16-2014, 11:31 AM
Replies: 19
Views: 1,401
Posted By RayB
Puke Please Confirm Diagnosis - Charging Issue

Bike: 1982 R100
Symptom: Left yesterday with fully charged battery. Went about 60 miles. About 2 miles from home the tach started reading low ( you know what 3k rpm sounds like and it was readin 1k...
Forum: Airheads 06-19-2014, 05:27 PM
Replies: 12
Views: 1,031
Posted By RayB
Thumbs down The root cause of the valve seat recession...

The root cause of the valve seat recession problem lies in the seat metallurgy. Lead substitute won't change the valve seat metallurgy so why use it?
Forum: Airheads 01-02-2014, 09:50 AM
Replies: 6
Views: 508
Posted By RayB
Question Pokie has good advice there. But did you measure...

Pokie has good advice there. But did you measure seal depth before you pulled the seal?
Forum: Airheads 12-29-2013, 07:05 PM
Replies: 118
Views: 6,208
Posted By RayB
Do you feel lucky?......:confused

Do you feel lucky?......:confused
Forum: Airheads 12-24-2013, 11:01 AM
Replies: 29
Views: 2,132
Posted By RayB
I've used the BMW GL grease, the Honda Moly 60,...

I've used the BMW GL grease, the Honda Moly 60, and Staburags...its also how I would rank those lubes with Staburags being the one that was still on the splines after I last pulled my trans out. I...
Forum: Airheads 12-22-2013, 11:01 AM
Replies: 81
Views: 4,997
Posted By RayB
Question When I look at the pic of that shaft against the...

When I look at the pic of that shaft against the background of the workbench, the snap ring groove appears to be not cut square.

Is it just my eyesr are the sides tapered?
Forum: Airheads 12-19-2013, 07:19 AM
Replies: 50
Views: 4,037
Posted By RayB
Thumb Typical of what others have said, I use the...

Typical of what others have said, I use the silicone gaskets because I have slight warp on the left side head at the gasket surface ( 82 R100 ).

I've used the same silicone gaskets for the last 5...
Forum: Airheads 12-16-2013, 01:05 PM
Replies: 81
Views: 4,997
Posted By RayB
Haven't taken apart a 5 speed yet have you? ...

Haven't taken apart a 5 speed yet have you?

Besides, if you need an input bearing there are BMW parts fiches

Good luck trying to source that input bearing from a local bearing supply house
Forum: Airheads 12-12-2013, 07:24 PM
Replies: 81
Views: 4,997
Posted By RayB
Cuz that's the way they were originally...

Cuz that's the way they were originally assembled. When you took yours apart were they not installed that way? Mine were. Now why did BMW's vendor's engineers for the trans decide this was the best...
Forum: Airheads 12-12-2013, 07:35 AM
Replies: 81
Views: 4,997
Posted By RayB
The side with the flat face of the cage faces...

The side with the flat face of the cage faces toward the engine. The side with the peened pins faces toward the internals of the trans. Make sure the bearing is seated full and squarely
Forum: Airheads 12-11-2013, 02:45 PM
Replies: 81
Views: 4,997
Posted By RayB
The expensive bearing is the front bearing on the...

The expensive bearing is the front bearing on the input shaft.

Personally if I were to do a gearbox rebuild I'd replace all the bearings. I know it hurts to pay $110 or so for the input bearing...
Forum: Airheads 11-27-2013, 09:04 AM
Replies: 16
Views: 958
Posted By RayB
Quite a Christmas gift for yourself! Must have...

Quite a Christmas gift for yourself! Must have set you back a few lb.:clap
Forum: Airheads 11-26-2013, 06:27 AM
Replies: 14
Views: 1,136
Posted By RayB
With the repair piece there is still some...

With the repair piece there is still some critical machining and welding operations that must be completed. In the end I could see where this would cost more than sending the gear off to Hansen's for...
Forum: Airheads 11-21-2013, 03:44 PM
Replies: 18
Views: 1,378
Posted By RayB
Same applies to their owners.:rofl

Same applies to their owners.:rofl
Forum: Airheads 11-21-2013, 06:14 AM
Replies: 16
Views: 1,289
Posted By RayB
I just rebuilt the Bosch starter on my 82 R100...

I just rebuilt the Bosch starter on my 82 R100 last week or so.
The symptoms it had were sluggish turning even with a good battery and full charge.

Inspection upon disassembly were a cracked...
Forum: Airheads 11-10-2013, 08:39 PM
Replies: 9
Views: 787
Posted By RayB
I guess all this theoretical debate over siver...

I guess all this theoretical debate over siver solder, lead/tin blends is mute. Notice the ground connection to the field coils in my pic above.
I touched my soldering gun to it and it easily...
Forum: Airheads 11-10-2013, 10:40 AM
Replies: 9
Views: 787
Posted By RayB
Pretty minor job on airheads too.

Pretty minor job on airheads too.
Forum: Airheads 11-10-2013, 08:44 AM
Replies: 9
Views: 787
Posted By RayB
This job is an example of how doing PM can...

This job is an example of how doing PM can sometimes cause future failures. These field coil connections are now going to be haunting me - hope they work ok.

The starter worked but it was...
Forum: Airheads 11-10-2013, 07:04 AM
Replies: 9
Views: 787
Posted By RayB
Bosch Starter Thread #3

After getting advice from several Moto Guzzi and airhead people that have actually replaced the brushes using solderand having the starter still operate reliably, I'll just solder the new brushes in....
Forum: Airheads 11-09-2013, 03:37 PM
Replies: 16
Views: 1,159
Posted By RayB
Question That's a lot of amps but do you know the...

That's a lot of amps but do you know the correspinding temperature to that 250 amp draw?
Forum: Airheads 11-09-2013, 05:29 AM
Replies: 16
Views: 1,159
Posted By RayB
I think he was talking about the lead solder...

I think he was talking about the lead solder melting at high amps, not the braided leads to the brushes
Forum: Airheads 11-08-2013, 09:15 PM
Replies: 16
Views: 1,159
Posted By RayB
Question I assume then that you have used silver solder to...

I assume then that you have used silver solder to attach brush leads?
Forum: Airheads 11-08-2013, 06:39 PM
Replies: 16
Views: 1,159
Posted By RayB
Bosch Starter Thread #2

Ok on the grease now, just wanted to make sure I shouldn't use some space age nano fibre stuff. I've got plenty of mormal greases in teh garage.

Pressed the worn bushes out easily.

Installing...
Forum: Airheads 11-08-2013, 03:37 PM
Replies: 2
Views: 542
Posted By RayB
Question Grease for Bosch Starter

I'm cleaning and rebuilding the Bosch 157 starter for my R100.

What's the best grease to use for this application. I already know about presure lubing the bronze bushings with oil but wondered...
Forum: Airheads 11-06-2013, 08:34 AM
Replies: 3
Views: 609
Posted By RayB
Thanks all. Ray:clap

Thanks all.

Ray:clap
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