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Search: Posts Made By: SamH
Forum: Airheads 12-24-2013, 05:35 PM
Replies: 6
Views: 610
Posted By SamH
It was out when I got the bike, just making sure...

It was out when I got the bike, just making sure it was only a plug. Thanks!
Forum: Airheads 12-24-2013, 04:58 PM
Replies: 6
Views: 610
Posted By SamH
Grub screw under the oil pressure switch

Is there anything under the flat head grub screw that sits behind the lower frame rail, below the oil pressure switch? My engine's nearly back together but I can't find any reference to this little...
Forum: Airheads 07-28-2013, 01:46 AM
Replies: 3
Views: 504
Posted By SamH
Is a base gasket required for a 90s engine? I...

Is a base gasket required for a 90s engine? I thought the cylinders were just sealed to the block with sealant.

Yes, I've got 10" protruding from the deck.

If you compare this picture to mine...
Forum: Airheads 07-27-2013, 09:26 PM
Replies: 3
Views: 504
Posted By SamH
Cylinder stud length question

Hi all

I'm just in the process of putting the heads back on my brought-in-boxes 90S.
I was following the manual and the prt replacement pictorial that's floating around when I noticed I seem to...
Forum: Airheads 06-03-2013, 04:11 PM
Replies: 5
Views: 679
Posted By SamH
Yep, OK, sounds like the thread is damaged. I'll...

Yep, OK, sounds like the thread is damaged. I'll bust out the thread files and maybe grab a die to be sure. Of course I only find out once the box is together and the job is twice as difficult!
Forum: Airheads 06-02-2013, 07:33 AM
Replies: 5
Views: 679
Posted By SamH
Reinstalling the output flange on an airhead 5 speed

I've got my gear box all buttoned back up again and need to reinstall the output flange, if that's the right word for the part the drive shaft bolts to.

As the box was apart when I got it I have...
Forum: Airheads 05-13-2013, 05:42 AM
Replies: 22
Views: 2,913
Posted By SamH
Thanks guys. The original master cylinder is...

Thanks guys. The original master cylinder is definitely kaput. There's a big corroded patch in the middle, quite deep too.

The calipers are fine, they just need new seals but I don't think there's...
Forum: Airheads 05-12-2013, 05:57 AM
Replies: 20
Views: 1,643
Posted By SamH
I've posted a question without all the details...

I've posted a question without all the details again.

The bike's a 74' R90s with points.

No idea if the bike was ever setup to run dual plugs or not, I'm guessing not. I'd say the PO was...
Forum: Airheads 05-12-2013, 02:44 AM
Replies: 20
Views: 1,643
Posted By SamH
Dual plugging...

Yes yes, I've looked.

I've found lots of really detailed info about the technical aspects of dual plugging but I can't find a description of actually setting it up. What parts I need, extra...
Forum: Airheads 05-10-2013, 05:19 AM
Replies: 22
Views: 2,913
Posted By SamH
Slowly making progress with the 90S. Crank...

Slowly making progress with the 90S.

Crank in, main and oil pump seals done. New cam chain, tensioner and spring. I'd never tackled an airhead bottom end before so there was lots of learning...
Forum: Airheads 05-05-2013, 06:54 PM
Replies: 5
Views: 711
Posted By SamH
BMW bar mounted MC on /6 controls?

Is there a bolt up solution for a bar mounted MC on /6 controls? I fitted a generic MC on my old 90/6 but I had to butcher the brake side controls to do it.

I don't want to chop up the R90S...
Forum: Airheads 04-22-2013, 05:41 AM
Replies: 7
Views: 1,136
Posted By SamH
Hmmm, might look into that. I've got two to mess...

Hmmm, might look into that. I've got two to mess around with so (famous last words) how hard could it be!?
Forum: Airheads 04-22-2013, 02:26 AM
Replies: 7
Views: 1,136
Posted By SamH
Figured :puke1 Munich sell the serviceable...

Figured :puke1

Munich sell the serviceable universals as a part, who would be able to install that?
Forum: Airheads 04-22-2013, 01:18 AM
Replies: 7
Views: 1,136
Posted By SamH
Play in drive shaft U joint

Hi all

I've got a couple of drive shafts for the 90S that I'm putting together but I suspect they're both stuffed.
How much, if any, side to side play is acceptable in the U joint? One has far...
Forum: Airheads 04-01-2013, 03:23 PM
Replies: 4
Views: 459
Posted By SamH
Thanks guys, I thought it might be the felt one. ...

Thanks guys, I thought it might be the felt one.

The previous owner of this bike brought a lot of service kits, seals and the like, and quite a few of the parts don't apply.
Forum: Airheads 04-01-2013, 01:00 AM
Replies: 4
Views: 459
Posted By SamH
Tiny oil seal in the input shaft

Hey guys, I keep reading about how to install the clutch push rod seal in the end of the input shaft but there doesn't seem to be any room for it on my shaft.

As best as I can tell my box is a...
Forum: Airheads 02-21-2013, 11:43 PM
Replies: 2
Views: 584
Posted By SamH
Heh, ok :rofl

Heh, ok :rofl
Forum: Airheads 02-08-2013, 08:09 PM
Replies: 23
Views: 1,575
Posted By SamH
Yeah, more info on my situation. I had new...

Yeah, more info on my situation. I had new braided lines and new pads. Bleeding would have been the only thing that could have been off.
Forum: Airheads 02-07-2013, 05:03 PM
Replies: 23
Views: 1,575
Posted By SamH
I used a 1/2" mc on twin 38mm ate's and found...

I used a 1/2" mc on twin 38mm ate's and found that while they stopped well they never felt firm at the lever. I could always pull the lever to the bars.
Forum: Airheads 01-26-2013, 04:49 AM
Replies: 28
Views: 3,798
Posted By SamH
That looks fantastic! Dunno about those...

That looks fantastic!

Dunno about those indicators though :puke1
Forum: Airheads 01-04-2013, 09:43 PM
Replies: 38
Views: 3,027
Posted By SamH
Ahh, finally some numbers! Thanks heaps for that....

Ahh, finally some numbers! Thanks heaps for that. I'll just have to take it at face value and accept that it's ok to use. I'll see if I can compare the two cranks and figure out if they're timed the...
Forum: Airheads 01-03-2013, 10:57 PM
Replies: 38
Views: 3,027
Posted By SamH
I know, it's a good thing this bike's in bits. I...

I know, it's a good thing this bike's in bits. I only have to worry about installing a new set of grips. Phew.

:rofl
Forum: Airheads 01-03-2013, 04:08 AM
Replies: 38
Views: 3,027
Posted By SamH
Ok, I measured up the cams tonight as best I...

Ok, I measured up the cams tonight as best I could. Put them both in the lathe and setup the dial gauge. I could only measure lift.

The cam marked 921 measured 6.75mm lift on all four lobes, x1.39...
Forum: Airheads 01-02-2013, 11:24 PM
Replies: 38
Views: 3,027
Posted By SamH
Yes, the cam on the left certainly looks a bit...

Yes, the cam on the left certainly looks a bit rough but it's really not that bad, the picture looks much worse than reality. It's mostly staining.
How do I go about figuring out the numbers on...
Forum: Airheads 01-01-2013, 10:57 PM
Replies: 38
Views: 3,027
Posted By SamH
How to identify airhead cams?

I've got two cams that came with my R90 project and I've no idea which one to use when I put it back together. The lobes measure up differently between the two but I haven't been able to find much in...
Forum: Airheads 01-01-2013, 01:34 PM
Replies: 22
Views: 2,913
Posted By SamH
I was thinking the same thing about the bracing.

I was thinking the same thing about the bracing.
Forum: Airheads 01-01-2013, 04:06 AM
Replies: 22
Views: 2,913
Posted By SamH
Ta, that measurement will come in handy. I think...

Ta, that measurement will come in handy. I think the picture is deceptive, it's not visibly bent and only kicks the rear hub off by a degree or so when it's all together and bolted up hard. Certainly...
Forum: Airheads 12-31-2012, 10:34 PM
Replies: 22
Views: 2,913
Posted By SamH
http://i89.photobucket.com/albums/k210/samuelthene...

http://i89.photobucket.com/albums/k210/samueltheneko/DSC_0665_zpsb003d0ef.jpg

Checking the end play on the crank shaft, .11mm.
...
Forum: Airheads 12-28-2012, 02:07 PM
Replies: 22
Views: 2,913
Posted By SamH
The block's clean as new, same with all the...

The block's clean as new, same with all the components. The internals weren't blasted of course. There's not a single grain of media anywhere.

I've had an engine soda blasted locally and there was...
Forum: Airheads 12-28-2012, 02:37 AM
Replies: 22
Views: 2,913
Posted By SamH
Did a bit of work today, love Christmas holidays....

Did a bit of work today, love Christmas holidays. Finally tracked down the thrust bearings for the crank. Once I've read over the manual a bit more I'll have a go at putting the crank back in and...
Forum: Airheads 12-27-2012, 10:59 PM
Replies: 8
Views: 1,033
Posted By SamH
I'll give the grind option a go. As mentioned,...

I'll give the grind option a go. As mentioned, I'll just take it off the side that corresponds with the increased gear lip thickness.

Just got to figure out how to hold everything parallel.
Forum: Airheads 12-27-2012, 03:26 AM
Replies: 8
Views: 1,033
Posted By SamH
Yeah, looks like I was lucky getting the...

Yeah, looks like I was lucky getting the replacement gear with the bike.
Forum: Airheads 12-26-2012, 11:46 PM
Replies: 8
Views: 1,033
Posted By SamH
Yeah, I'd already figured out that the 74' box...

Yeah, I'd already figured out that the 74' box isn't really the pick of the bunch.
You're certainly right about my ignorance about these gearboxes, this is my first time inside.

I was digging...
Forum: Airheads 12-26-2012, 03:21 PM
Replies: 8
Views: 1,033
Posted By SamH
Gearbox with busted dogs

It's the 90s again! I'll cram all these questions into my main thread eventually.

Here's a pic of my intermediate shaft. I've installed the new gear, haven't pressed the final cog back on yet, and...
Forum: Airheads 12-20-2012, 08:07 PM
Replies: 13
Views: 967
Posted By SamH
Yeah, I tend to agree that being able to turn it...

Yeah, I tend to agree that being able to turn it by hand sounds right.

I just made a new gasket out of .2mm paper. I installed it and it was looking good but the drive was still pretty tight when...
Forum: Airheads 12-20-2012, 06:21 PM
Replies: 13
Views: 967
Posted By SamH
Hmm, ok so it might not be so bad. Mine's a 74',...

Hmm, ok so it might not be so bad. Mine's a 74', needle roller bearing on the drive side. It turns smoothly but tight. I can turn it by hand if I connect the drive shaft and give that a twist and I...
Forum: Airheads 12-20-2012, 02:04 PM
Replies: 13
Views: 967
Posted By SamH
Yes, same one. I should probably just keep all...

Yes, same one. I should probably just keep all these questions in the build thread.

I'm beginning to see why final drives are best serviced by a professional.

I'm wondering now if I can just...
Forum: Airheads 12-20-2012, 03:27 AM
Replies: 13
Views: 967
Posted By SamH
Hmm, ok. I'd say there's probably a bit too much...

Hmm, ok. I'd say there's probably a bit too much preload being applied. The final drive wasn't totally apart. The roller bearing and shims were installed and the pinion gear and seals were already...
Forum: Airheads 12-19-2012, 03:28 PM
Replies: 25
Views: 3,048
Posted By SamH
Where do you get stock rims from? I had a bit of...

Where do you get stock rims from? I had a bit of a hunt and didn't turn much up. Everyone's making it sound like they're easy to get though. I need a rear rim for my R90.
Forum: Airheads 12-19-2012, 02:56 PM
Replies: 13
Views: 967
Posted By SamH
Final drive is back together, how tight should it feel?

The 90s I've picked up came to me in boxes. The final drive crown gear bearing had been removed.
I put the final drive back together last night. As best as I can tell the needle bearing wasn't...
Showing results 1 to 40 of 442

 
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