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Search: Posts Made By: SJ BMW
Forum: Airheads 11-19-2014, 06:48 PM
Replies: 7
Views: 589
Posted By SJ BMW
Clatter, as you call it may be caused by...

Clatter, as you call it may be caused by THICKNESS variation, not run out of the rotors. Measure the rotor thickness inch by inch all the way round. Any more than.0005 variation in thickness will...
Forum: Airheads 11-19-2014, 06:02 PM
Replies: 300
Views: 12,036
Posted By SJ BMW
I have stayed out of the fray for long as I can....

I have stayed out of the fray for long as I can. We have been making triple clamps since 1979, I know a thing or two about the design and production of this part. Toaster (??) we did not copy your...
Forum: Airheads 08-14-2014, 06:40 PM
Replies: 43
Views: 2,476
Posted By SJ BMW
Be VERY careful with the 10mm bolt on the front...

Be VERY careful with the 10mm bolt on the front of the camshaft...
I never use locktite, not called for and not needed if you tighten every bolt correct...
Forum: Airheads 06-14-2014, 03:23 PM
Replies: 50
Views: 2,460
Posted By SJ BMW
Well I just had to post a picture of our K100: ...

Well I just had to post a picture of our K100:
http://sanjosebmw.smugmug.com/Other/Old-SJ-BMW-bikes/i-nMDDZRf/0/M/CIMG1494-M.jpg

Chris
Forum: Vendors 05-03-2014, 05:05 PM
Replies: 0
Views: 362
Posted By SJ BMW
San Jose BMW open house

Gala Grand Open House Special Event is set for Saturday, May 10.<?xml:namespace prefix = "o" ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>
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San Jose BMW Motorcycles:...
Forum: Airheads 01-02-2014, 12:30 PM
Replies: 31
Views: 2,267
Posted By SJ BMW
Piston weight has little to do with the...

Piston weight has little to do with the crankcases breaking, on Eron's 750 race bike we broke the cases and it had superlight pistons and a balanced crank. 2 differences: on the later cases the RH...
Forum: Airheads 10-25-2013, 11:09 AM
Replies: 82
Views: 13,380
Posted By SJ BMW
See, it's working - you are already modifying...

See, it's working - you are already modifying it...:rofl

Chris
Forum: Airheads 10-23-2013, 12:05 PM
Replies: 82
Views: 13,380
Posted By SJ BMW
I just finished sitting on the only bike in the...

I just finished sitting on the only bike in the US. It is very small, something you don't realize just looking at the pictures, it is also very light and very cool. This the first time anyone has...
Forum: Airheads 10-19-2013, 01:49 PM
Replies: 17
Views: 1,588
Posted By SJ BMW
Cylinder skirt oil, not done on later motors as...

Cylinder skirt oil, not done on later motors as splash was determined to provide enough oil.

Chris
Forum: Airheads 08-27-2013, 03:06 PM
Replies: 12
Views: 1,321
Posted By SJ BMW
There is no image; and I want to see it! ...

There is no image; and I want to see it!

Chris
Forum: Airheads 08-22-2013, 06:28 AM
Replies: 2,590
Views: 575,674
Posted By SJ BMW
We don't have any of those tanks, sorry. ...

We don't have any of those tanks, sorry.

Chris
Forum: Vendors 08-21-2013, 12:35 PM
Replies: 0
Views: 357
Posted By SJ BMW
Yard sale

We are having a post moving yard sale, lots of stuff after 37 years in the same location - we want to get rid stuff, not move it. Band saw, boring bar, posters, bikes and of course parts. From 8:00am...
Forum: Airheads 08-21-2013, 12:12 PM
Replies: 2,590
Views: 575,674
Posted By SJ BMW
So I hope this is OK - we are having a yard sale...

So I hope this is OK - we are having a yard sale Saturday, and there are airhead parts in the mix:
8:00am, cash only - at the old location 1886 West San Carlos. Some tools, bikes fancy BMW display...
Forum: Airheads 08-15-2013, 12:51 PM
Replies: 99
Views: 6,369
Posted By SJ BMW
There are a number of reasons they are so tight –...

There are a number of reasons they are so tight – the fins transfer heat away from the very hot exhaust port, they hold the exhaust pipes in and, most important, if they are not tight enough they...
Forum: Airheads 08-14-2013, 07:43 PM
Replies: 99
Views: 6,369
Posted By SJ BMW
FYI From memory that nut should be Tqed to...

FYI
From memory that nut should be Tqed to something like 120 ft/lbs - I always pound mine tight with a hammer and I have also never had any problems...

Chris
Forum: Airheads 08-14-2013, 10:54 AM
Replies: 30
Views: 2,867
Posted By SJ BMW
Let me start - we have been making ours for 34...

Let me start - we have been making ours for 34 years, they fit correct and they have the best price!

Chris
Forum: Airheads 05-24-2013, 12:43 PM
Replies: 14
Views: 1,107
Posted By SJ BMW
Concept 90

<LI id=plus1-li>I thought you all would like to see what BMW is thinking...
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Forum: Airheads 05-05-2013, 09:42 AM
Replies: 39
Views: 4,141
Posted By SJ BMW
I just have to pipe in here - we have been making...

I just have to pipe in here - we have been making top clamps for airheads for 30 years. We have changed the design over the years as we saw the need and modern production methods (read cnc). They...
Forum: Airheads 01-18-2013, 12:58 PM
Replies: 26
Views: 3,153
Posted By SJ BMW
We have been making upper clamps for airhead BMWs...

We have been making upper clamps for airhead BMWs since 1979, yea - a long time. They fit correct and all the stock parts work. (ins. mounts etc.) We send them all over the world and have NO problems...
Forum: Airheads 01-13-2013, 10:12 PM
Replies: 2,590
Views: 575,674
Posted By SJ BMW
WTB 2.81 rear drive

I need a 2.81 rear drive (or 2.81 gear set) for a twin shock for our Bonneville project this year. Price? Tell me what you got.... They would be 31:11

Chris
Forum: Airheads 11-28-2012, 04:30 PM
Replies: 316
Views: 39,636
Posted By SJ BMW
We are planning a ride to Robert’s “Celebration”...

We are planning a ride to Robert’s “Celebration” on December 9<SUP>th</SUP>. Herb will leave San Jose BMW at 1:00pm stopping briefly at Chris and Kathleen’s house (126 Mentel Ave.) Santa Cruz for...
Forum: Airheads 07-14-2012, 06:53 PM
Replies: 249
Views: 20,568
Posted By SJ BMW
OK, so I messed up and had to start over. Here...

OK, so I messed up and had to start over. Here are the valves:
http://sanjosebmw.smugmug.com/Motorcycles/Airhead/i-6S3vZd2/0/S/valves-S.jpg

7mm 50 gram tit on left, 8mm 89 gram SS on right....
Forum: Airheads 05-15-2012, 01:25 PM
Replies: 270
Views: 30,192
Posted By SJ BMW
The /5 shift lever is held by a tapered bolt, I...

The /5 shift lever is held by a tapered bolt, I have never seen anything else work to hold the shifter on the shaft. I would change the design to be like the stock piece or you may miss the next race...
Forum: Airheads 05-11-2012, 06:36 AM
Replies: 52
Views: 3,169
Posted By SJ BMW
With a rod that bad, you are most likely going to...

With a rod that bad, you are most likely going to need to replace the crankshaft. You can measure the crank while it is still in the motor to be sure, but having looked at too many motors that have...
Forum: Airheads 05-05-2012, 08:27 AM
Replies: 17
Views: 3,196
Posted By SJ BMW
Just clear things up - rear main seal leaks do...

Just clear things up - rear main seal leaks do NOT get on the clutch, only a leaking transmission input seal will get on the clutch plate.

Chris
Forum: Vendors 04-21-2012, 10:16 AM
Replies: 5
Views: 798
Posted By SJ BMW
Not so far... Chris

Not so far...

Chris
Forum: Vendors 04-20-2012, 05:58 PM
Replies: 5
Views: 798
Posted By SJ BMW
Yes, call Bill or John in parts 408-295-0205

Yes, call Bill or John in parts 408-295-0205
Forum: Vendors 04-20-2012, 03:06 PM
Replies: 5
Views: 798
Posted By SJ BMW
/5 battery covers

We just wanted everyone to know we got some, singles or pairs:

http://sanjosebmw.smugmug.com/Motorcycles/Airhead/i-Z26GZc5/1/L/CIMG1773-L.jpg

They are the real deal from BMW, $225/ pair or...
Forum: Airheads 04-05-2012, 01:33 PM
Replies: 3
Views: 591
Posted By SJ BMW
The pins are not the same length. Chris

The pins are not the same length.

Chris
Forum: Airheads 03-20-2012, 05:40 PM
Replies: 58
Views: 8,478
Posted By SJ BMW
The supercharged bike is on the list, it got put...

The supercharged bike is on the list, it got put on the back burner 'cause racing comes first and I only have so much spare time...

Chris
Forum: Airheads 03-19-2012, 12:23 PM
Replies: 58
Views: 8,478
Posted By SJ BMW
OK, you asked for it: here is our "StreetFighter"...

OK, you asked for it: here is our "StreetFighter" This started life as one of our service loaners when it was rotated out of service and replaced with newer bike, we decided rather than sell to...
Forum: Airheads 03-19-2012, 09:00 AM
Replies: 58
Views: 8,478
Posted By SJ BMW
Way back, we sold carb kits and never came up...

Way back, we sold carb kits and never came up with a clean way to deal with the intake tubes, that and the endless jeting possibilities led us back to stock carbs for street riders. Little K&N...
Forum: Airheads 03-18-2012, 10:16 AM
Replies: 58
Views: 8,478
Posted By SJ BMW
I looked around and found a few pictures of he HD...

I looked around and found a few pictures of he HD roller cam setup. The advantage of this style is two fold - the follower itself is smaller and there for lighter than the drop in type we sold, and...
Forum: Airheads 03-16-2012, 07:36 AM
Replies: 58
Views: 8,478
Posted By SJ BMW
I just got back from the annual Aprilla dealer...

I just got back from the annual Aprilla dealer meeting in Florida, I’ll look around the shop for some pictures of the different cams installed; that’ll be the best way to see the differences in...
Forum: Airheads 03-09-2012, 11:51 AM
Replies: 58
Views: 8,478
Posted By SJ BMW
The roller cams were very much an American thing,...

The roller cams were very much an American thing, straight from American Hot Rod. We used several types - as shown, and from the XR-750 Harley. Helmut Kern had Gary Fishburn modify the case to accept...
Forum: Airheads 03-08-2012, 01:09 PM
Replies: 58
Views: 8,478
Posted By SJ BMW
I'm busy as a one armed paper hanger at work...

I'm busy as a one armed paper hanger at work today, but I did take a little time to dig back through some files for this product sheet:...
Forum: Airheads 03-07-2012, 08:48 AM
Replies: 58
Views: 8,478
Posted By SJ BMW
There was no "standard build" that we did; in...

There was no "standard build" that we did; in fact, it was so costly to take a bike apart to re-paint the frame, we did not do it very often (despite what it seemed like). Yes, the NSU is mine, I...
Forum: Airheads 03-07-2012, 07:08 AM
Replies: 58
Views: 8,478
Posted By SJ BMW
OK, so here is another bike, not a BMW, but...

OK, so here is another bike, not a BMW, but interesting never the less - NSU Max. I allways felt the NSU engineers were more free thinking than the BMW engineers This is a 1954....
Forum: Airheads 03-06-2012, 07:33 AM
Replies: 58
Views: 8,478
Posted By SJ BMW
Lemme just say this about the paint: remember...

Lemme just say this about the paint: remember Disco? :lol3 Yea, that when it was painted...The other reasoning was a limited selection of colors available from the powder coater, and I wanted...
Forum: Airheads 03-05-2012, 01:48 PM
Replies: 58
Views: 8,478
Posted By SJ BMW
Attic cleaning at San Jose BMW

So we needed some more room at the store for our growing parts department and decided to move our "old" bike collection to our wearhouse, as they were leaving I took some pictures and thought I would...
Showing results 1 to 40 of 73

 
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