What have you done to your XS today?

[Dunc]

If I may, that's by far the nicest flat-track tailpiece IMO and for that reason, I'd vote to keep it!

It does look like it was made for a Champion frame. I think I'll sort out the subframe & use it for the build.

 

[John Regular]

Not sure where it's from. The PO cut the rear section of the frame into bits & threw them away. Not sure if I leave it on or try to return it to near stock. It does look different to most seats though. I've also got an un-used fibreglass fuel tank that it came with that looks like a Gopher Glass one.

I have the hoop from a 77 that I regrettably turned into a chopper if you decide to go back to original

 

[bazz]

Today I fitted a replacement barrel and pistons
And started cleaning off the piston debris from the valve and seat ready to lap them in again

 

[Dunc]

Just ordered a set of these for the project.

 

[bazz]

Today I fitted a replacement barrel and pistons
And started cleaning off the piston debris from the valve and seat ready to lap them in again

Got this motor back together and running sweetly
I had a bit of a shock when I first started it because smoke was coming from the right cylinder
I hadn't realised how much oil was in the right hand downpipe!
I washed it out with petrol and it's fine now
I've been out and done 10 miles just to make sure it's ok and the only issue is the camshaft seal is still leaking on the rh side
I scotchbrighted the cam and fitted a genuine 5mm Yamaha seal and it's still weeping!

 

[Its been a long time]

Got this motor back together and running sweetly
I had a bit of a shock when I first started it because smoke was coming from the right cylinder
I hadn't realised how much oil was in the right hand downpipe!
I washed it out with petrol and it's fine now
I've been out and done 10 miles just to make sure it's ok and the only issue is the camshaft seal is still leaking on the rh side
I scotchbrighted the cam and fitted a genuine 5mm Yamaha seal and it's still weeping!

You're very wise to use the OEM oil seal. Did you use the OEM O ring as well? Here's how I am now fitting the seals after having issues fitting them.

Post in thread 'Tips and tricks' https://www.xs650.com/threads/tips-and-tricks.69012/post-896454

I also recommend changing the cross head countersunk screws to Allen screws while you're in there. Much easier to work with.

Post in thread 'What have you done to your XS today?' https://www.xs650.com/threads/what-have-you-done-to-your-xs-today.32082/post-885907

 

[bazz]

You're very wise to use the OEM oil seal. Did you use the OEM O ring as well? Here's how I am now fitting the seals after having issues fitting them.

Post in thread 'Tips and tricks' https://www.xs650.com/threads/tips-and-tricks.69012/post-896454

I also recommend changing the cross head countersunk screws to Allen screws while you're in there. Much easier to work with.

Post in thread 'What have you done to your XS today?' https://www.xs650.com/threads/what-have-you-done-to-your-xs-today.32082/post-885907

It's the seal that's leaking
Not the O ring or the gasket or the screws
I thought it'd be ok this as the camshaft journal looks mint

 

[Its been a long time]

That's why I made the little seal fitting tool. It effectively extends the seal land on the end of the camshaft to allow you to fit the seal without either popping the spring off accidentally or catching the delicate sealing lip. If you still have a leak, one or the other has happened.

 

[Jan_P]

It's the seal that's leaking
Not the O ring or the gasket or the screws
I thought it'd be ok this as the camshaft journal looks mint

If you are sure it is the seal and not the gasket which I had problems with on the left side
i would wait a while. Rubber can change properties after some heat cycles ..and seat better at the surfaces ,
If been siting on a shelf a while maybe not exactly round out of the bag
Sometimes it gets better .and sometimes not.
It can happen when assembling that they get damaged at sharp edges.
I use grease on them assembling

 

[bazz]

If you are sure it is the seal and not the gasket which I had problems with on the left side
i would wait a while. Rubber can change properties after some heat cycles ..and seat better at the surfaces ,
If been siting on a shelf a while maybe not exactly round out of the bag
Sometimes it gets better .and sometimes not.
It can happen when assembling that they get damaged at sharp edges.
I use grease on them assembling

It's 100% the seal
I can see a tiny line running down from the centre
But I've only done 10 miles so I'll give it a chance

 

[Jan_P]

It's 100% the seal
I can see a tiny line running down from the centre
But I've only done 10 miles so I'll give it a chance

Remember a boss at the Excavator Factory New seals for Hydraulic pistons was tested but only in warmer weather
Good results A batch was ordered and started installing
Came Winter and the seals was not able to change form / flex when cold so when the machine was cold started the Hydraulic Oil was flowing out
In such volumes that the batch could not be used

They tried to keep it quiet but some people knew about it.
they were in an unnecessary hurry. they should have sent out a sample series for a while, maybe 2 years
It hadn't gone to waste

S*it Happens .. but they should have managed it that time.

The one you have can be a bit hardened after being in store and out of round ( Positive Thinking )
But again a replacement may be needed but I would wait 200 km or so maybe more if changes can be noticed
and some warmer weather.

 

[bazz]

Remember a boss at the Excavator Factory New seals for Hydraulic pistons was tested but only in warmer weather
Good results A batch was ordered and started installing
Came Winter and the seals was not able to change form / flex when cold so when the machine was cold started the Hydraulic Oil was flowing out
In such volumes that the batch could not be used

They tried to keep it quiet but some people knew about it.
they were in an unnecessary hurry. they should have sent out a sample series for a while, maybe 2 years
It hadn't gone to waste

S*it Happens .. but they should have managed it that time.

The one you have can be a bit hardened after being in store and out of round ( Positive Thinking )
But again a replacement may be needed but I would wait 200 km or so maybe more if changes can be noticed
and some warmer weather.

Just been out and done 40 miles and it's stopped leaking so hopefully it's sorting itself out
I'll check when it has a few more miles
Thanks again

 

[Wingedwheel]

I started pulling the engine back out of my Bobber. I pulled it last year and replaced a leaking Athena green base gasket. While assembling I sprayed the head gasket with Copper coat gasket sealer at which point something happened and I didn’t get back to assembling for a few days and the result was a leaking head gasket after start-up. Re torquing had no affect so it’s coming out again. I can get the engine out in pretty quick, the only snag is the early frames are a little tighter fit. Sometimes it falls in and out, sometimes it’s a struggle.

 

[bazz]

I started pulling the engine back out of my Bobber. I pulled it last year and replaced a leaking Athena green base gasket. While assembling I sprayed the head gasket with Copper coat gasket sealer at which point something happened and I didn’t get back to assembling for a few days and the result was a leaking head gasket after start-up. Re torquing had no affect so it’s coming out again. I can get the engine out in pretty quick, the only snag is the early frames are a little tighter fit. Sometimes it falls in and out, sometimes it’s a struggle.View attachment 370156

Slot your studs like this and you won't need to take the engine out to replace the base gasket
Just remove the studs with a screwdriver

 

[bazz]

Slot your studs like this and you won't need to take the engine out to replace the base gasket
Just remove the studs with a screwdriver

And while you are in there you can drill the location dowels to allow the coloum of oil that gets trapped back into the mouth of the crankcase , that's what the notch is there for

 

[onkelheri]

https://www.xs650.de/forum/viewtopic.php?p=317998#p317998

Ich mag ja die Ooriginoolblinkers ...
ausser sie sind so " milchig " ... so richtig hatte ich keine Idee dafür ... aber heute nach 42 jahren war denn der Geistesblitz da: die Blinkerflüssigkeit heißt Silikonspray und dies dann innen auf das "ermattete" Glas und prompt ändert sich der "Lichbrechungsindex" quasi auf den Neuzustand ...

I like the Genuineindikators...
unless they are so " milky " ... I really had no idea for it ... but today after 42 years the "flash of spirit" was there: the flashing liquid is called silicone spray and this then inside on the "matted" glass and promptly the "light refraction index" changes almost to the new state ...

Greetings Heri

 

[onkelheri]

Warum die M6 Schrauben oft bombenfest sitzen und dann aber mit Handkraft abreißen verstehe ich nicht.

Dafür verstehe ich mich auf die Wurzelbehandlung , das herstellen & setzen eines "Stiftzahnes" ... gemäß meines " hypothetischen Eides" ->jedes Gehäuse wird gerettet!" gabs letzte Nacht noch länger Licht im OP Saal

heri

I don't understand why the M6 screws are often so incredibly tight and then break off with just hand force.

However, I am skilled like the Toothdoc at rootcanaltreatment, creating and placing a "posttooth"(here a bushing)... according to my "hypothetical oath" -> every Carbhousing must be saved!
This is why the lights on in the Emergencyroom even later last night

heri

 

[Adamc]

TAFFY GETS A TART UP

Had an afternoon at the lockup/workshop.
First job a good clean up of the workshop space; amazing how much space you regain when everything is back in its own space.
Next my car desperately needed an interior clean; so out with the workshop vacuum and cleaning fluids etc.
(The exterior gets done by the local Taliban Car wash boys; very good they are too)

Next Taffy is wheeled out into the sunshine.
A tube of Solvol and use of Autoglym products and rags and this is what came out......

 

[Raymond]

Very pretty, come up nice!. If Taffy were a girl I might say she has all the right curves in all the right places.

 

[Myuncles650]

I took my seat to an upholstery shop in Boise with a goal of having a new piece of foam made. Gentleman told me “this foam is great, just needs a little repair”. Anyway, he did a great job. If you’re in Boise and need upholstery “Andrews Upholstery”. I had the pan powder coated and refurbed the trim piece ahead of time.