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Search: Posts Made By: mrfortynine
Forum: Airheads 10-12-2014, 02:30 PM
Replies: 2
Views: 311
Posted By mrfortynine
Transmission output shaft spins in neutral.

This is a 92 R100R. I just put transmission back onto the engine after replacing clutch plate and several seals. Before I put rear wheel and drive shaft back, I fired up the engine to make sure...
Forum: Airheads 10-05-2014, 11:09 PM
Replies: 22
Views: 807
Posted By mrfortynine
Ha, problem solved. The big black wire should go...

Ha, problem solved. The big black wire should go to battery positive. I assumed that all black wires are to be connected to negative. Since the Bendix gear did get pushed backward, I thought that...
Forum: Airheads 10-05-2014, 10:44 PM
Replies: 22
Views: 807
Posted By mrfortynine
I have two beefy black wires on the bike. One is...

I have two beefy black wires on the bike. One is short and goes between battery negative and ground point on gear box. The other one goes into the front end of the engine. I see only one red thick...
Forum: Airheads 10-05-2014, 10:11 PM
Replies: 22
Views: 807
Posted By mrfortynine
Thanks for asking, let me take the starter off...

Thanks for asking, let me take the starter off the bike and take a look before deciding what needs to be done.
Forum: Airheads 10-05-2014, 09:41 PM
Replies: 22
Views: 807
Posted By mrfortynine
What puzzles me is that the starter works, albeit...

What puzzles me is that the starter works, albeit hesitantly, before I started the rear main seal job. Now it suddenly stopped working after sitting there for a couple of weeks.
Forum: Airheads 10-05-2014, 09:28 PM
Replies: 22
Views: 807
Posted By mrfortynine
Bill, it sounds you know something I don't know....

Bill, it sounds you know something I don't know. :)

Do tell.
Forum: Airheads 10-05-2014, 07:54 PM
Replies: 22
Views: 807
Posted By mrfortynine
I will do that next. At this moment, the starter...

I will do that next. At this moment, the starter definitely seems problematic. The starter gear would move backward to engage flywheel, but starter doesn't really spin.
Forum: Airheads 10-05-2014, 07:08 PM
Replies: 22
Views: 807
Posted By mrfortynine
I have tried two batteries, same thing happens. I...

I have tried two batteries, same thing happens. I will try to get hold of a known healthy battery.

Meanwhile, I have a little update on my investigation. I took the flywheel off to verify that the...
Forum: Airheads 10-05-2014, 06:15 PM
Replies: 22
Views: 807
Posted By mrfortynine
Let me try to describe the symptom better. ...

Let me try to describe the symptom better.

When I press the start button, the starter spins for a second which causes flywheel to spin a tiny bit. After that, the starter simply stops spinning.
Forum: Airheads 10-05-2014, 04:44 PM
Replies: 22
Views: 807
Posted By mrfortynine
I did block the crankshaft. I can rotate...

I did block the crankshaft. I can rotate crankshaft by hand fairly easily, at least if I remove both spark plugs.
Forum: Airheads 10-05-2014, 04:12 PM
Replies: 22
Views: 807
Posted By mrfortynine
Starter only moves flywheel a tiny bit.

I just replaced rear main seal and oil pump seal on my 92 R100R. I decided to test the engine without putting gear box back just to make sure the seals are installed properly.

However, when I...
Forum: Airheads 09-06-2014, 09:30 PM
Replies: 39
Views: 2,274
Posted By mrfortynine
Yes, the ring is there.

Yes, the ring is there.
Forum: Airheads 09-06-2014, 07:04 PM
Replies: 39
Views: 2,274
Posted By mrfortynine
Yes, this is the bike with slipping clutch. The...

Yes, this is the bike with slipping clutch. The guide ring was easily separated from flywheel after a few taps with rubber mallet. It is probably not a big deal. I was just surprised that it came off...
Forum: Airheads 09-06-2014, 06:14 PM
Replies: 39
Views: 2,274
Posted By mrfortynine
Oh, forgot to say, this is a 92 R100R.

Oh, forgot to say, this is a 92 R100R.
Forum: Airheads 09-06-2014, 05:27 PM
Replies: 39
Views: 2,274
Posted By mrfortynine
Rear main seal guide ring question.

Hey, guys,

From what I read, it's often tricky to get the guide ring out. But when I remove the flywheel, the guide ring came out with the flywheel. Should I be concerned with this? The guide ring...
Forum: Airheads 09-03-2014, 09:11 AM
Replies: 27
Views: 1,476
Posted By mrfortynine
Actually there is a spring in the pushrod seal. I...

Actually there is a spring in the pushrod seal. I need to lift the lip to see it. :)

https://farm4.staticflickr.com/3848/15128342022_3274cba95c_z.jpg
Forum: Airheads 09-02-2014, 01:30 PM
Replies: 27
Views: 1,476
Posted By mrfortynine
Thanks for the pictures, guys. I suppose this...

Thanks for the pictures, guys. I suppose this seal can go in either way.
Forum: Airheads 09-02-2014, 12:51 PM
Replies: 27
Views: 1,476
Posted By mrfortynine
I found this old thread...

I found this old thread (http://advrider.com/forums/showthread.php?t=659638) talking about installing that tiny seal without opening up gear box cover. I will git it the try.
Forum: Airheads 09-02-2014, 11:43 AM
Replies: 27
Views: 1,476
Posted By mrfortynine
Hmm, I probably have popped the spring and lost...

Hmm, I probably have popped the spring and lost the it, when I mess around the great box. I don't see it around my work bench. A picture of this seal would be helpful. anyone? Thanks.
Forum: Airheads 09-01-2014, 10:17 PM
Replies: 27
Views: 1,476
Posted By mrfortynine
I'm not quite sure what to look for. Here's a...

I'm not quite sure what to look for. Here's a photo of the rear end of input shaft with throwout bearing removed. I also probed the inside of input shaft with paper wrapped around a stick. It seems...
Forum: Airheads 08-31-2014, 11:26 PM
Replies: 11
Views: 1,049
Posted By mrfortynine
Is it OK to run engine without gear box and clutch attached

Planning to replace rear main seal. I figured that I probably should make sure there's no leak after installation before putting everything back. Of course I need to short the neutral switch wires to...
Forum: Airheads 08-31-2014, 08:14 PM
Replies: 27
Views: 1,476
Posted By mrfortynine
If I stick my nose up to the gear box, I don't...

If I stick my nose up to the gear box, I don't smell sulfur around the input shaft. Also the clutch push rod doesn't have the sulfur smell except at the end where it meets the throwout bearing. I...
Forum: Airheads 08-31-2014, 05:00 PM
Replies: 27
Views: 1,476
Posted By mrfortynine
supershaft, could you give me more information on...

supershaft, could you give me more information on this "clutch rod seal"? Where is it located. This is the first time I heard about this seal. Do you mean the felt seal that goes around push rod? I...
Forum: Airheads 08-31-2014, 08:57 AM
Replies: 27
Views: 1,476
Posted By mrfortynine
About the potential rear main seal leak, I wonder...

About the potential rear main seal leak, I wonder how much leak is within normal range. Should it be no leak at all, or a little bit of leak is normal? The top of oil pan where the transmission case...
Forum: Airheads 08-30-2014, 10:29 PM
Replies: 27
Views: 1,476
Posted By mrfortynine
Mine looks like this: ...

Mine looks like this:
http://www.maxbmwmotorcycles.com/fiche/NotesParts/23131464167_1_B.jpg

It moves freely when in ambient temperature, about 70 degree. Not sure whether it expands too much when...
Forum: Airheads 08-30-2014, 08:54 PM
Replies: 27
Views: 1,476
Posted By mrfortynine
The black deposit is definitely oil. I have...

The black deposit is definitely oil. I have assumed that this little oil is normal. But if this area should be completely oil free, then I definitely have a leak, either main seal or gear box input...
Forum: Airheads 08-30-2014, 08:04 PM
Replies: 27
Views: 1,476
Posted By mrfortynine
Although the surface of friction plate isn't...

Although the surface of friction plate isn't oily, it's definitely very smooth. I have never seen a new clutch plate before. Should the surface be rough?

I also check the front end of...
Forum: Airheads 08-30-2014, 07:57 PM
Replies: 27
Views: 1,476
Posted By mrfortynine
The bright spot is probably reflection of...

The bright spot is probably reflection of overhead light. When I inspect the surface of the plate, it doesn't seem oily at all. I will take a closer look at the gear box seal.
Forum: Airheads 08-30-2014, 06:05 PM
Replies: 27
Views: 1,476
Posted By mrfortynine
Slipping clutch, but no visible oil contamination, and plate thickness in spec.

A couple of months ago, when riding my 92 R100R on highway on a very hot day, I noticed the clutch was slipping. Later it happens again on a cold bike. Having verified that the cable is adjusted...
Forum: Airheads 08-16-2014, 10:15 PM
Replies: 2,590
Views: 578,115
Posted By mrfortynine
WTB, R100R/GS muffler and Y-pipe

Mine is rusted out. A new set of box and muffler costs me about $1,000. I'm hoping to find a used one, or after market brand.

Thanks.
Forum: Airheads 07-19-2014, 07:28 AM
Replies: 6
Views: 492
Posted By mrfortynine
Brake gradually becomes soft over time.

Hey, all,

I have replaced the brake line on my 92 R100R several weeks ago with stainless steel line. I noticed that, over time the brake gradually became soft compared with how it felt at the...
Forum: Airheads 05-16-2014, 08:50 AM
Replies: 15
Views: 1,193
Posted By mrfortynine
So I googled around a bit about this throw-out...

So I googled around a bit about this throw-out bearing. It seems the issue could be temperature sensitive, which reminded me that the slipping clutch did happen on an exceptionally warm day here in...
Forum: Airheads 05-16-2014, 08:46 AM
Replies: 15
Views: 1,193
Posted By mrfortynine
Will take a closer look in the area, thanks.

Will take a closer look in the area, thanks.
Forum: Airheads 05-15-2014, 05:36 PM
Replies: 15
Views: 1,193
Posted By mrfortynine
cool, thanks guys. That was easy, I mean the...

cool, thanks guys. That was easy, I mean the diagnosis part.
Forum: Airheads 05-15-2014, 11:54 AM
Replies: 15
Views: 1,193
Posted By mrfortynine
Question RPM rises, but doesn't accelerate past 70mph.

Yesterday when I'm cruising at 70mph on highway, for a few minutes, the bike seems refuse to accelerate further. I know that this bike can do 80mph. I wonder if this is initial sign of some...
Forum: Airheads 10-20-2013, 07:20 PM
Replies: 2,590
Views: 578,115
Posted By mrfortynine
R100R parts and other stuff

I'm clearing out my garage to make space and to recover some fund for next project. Most of the stuff here is for a 92 R100R. Listed prices don't include shipping. I'm located in San Francisco bay...
Forum: Airheads 10-18-2013, 03:44 PM
Replies: 7,242
Views: 1,445,091
Posted By mrfortynine
Hello, Got this what used to be a 92 R100R...

Hello,

Got this what used to be a 92 R100R two years ago. Having been tweaking it on and off. Finally it's at a state where I can use it as my daily commute.
...
Forum: Airheads 10-16-2013, 07:54 PM
Replies: 38
Views: 2,220
Posted By mrfortynine
A couple questions about timing adjustment.

Hello all,

I recently replace stock ignition module with an Alpha on my 92 R100R. Afterward, I followed instruction to adjust timing, but had a few questions.

1. Without a helper, it's...
Forum: Airheads 08-18-2013, 08:46 PM
Replies: 2,590
Views: 578,115
Posted By mrfortynine
Actually I just found the original magnet type...

Actually I just found the original magnet type speed sensor. It's unused. I have corrected the original post.

I used a 12pin DT connector...
Forum: Airheads 08-18-2013, 07:52 PM
Replies: 2,590
Views: 578,115
Posted By mrfortynine
Used Acewell 2853 speedo, used Spiegler stainless steel brake line.

I have a used Acewell 2853 speedo [sold], originally purchased from Dime City Cycles a year ago. Asking for $100 plus shipping. Cosmetically, there's a slight scratch as shown in the photo below....
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