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Old 02-26-2012, 01:21 AM   #721
Box'a'bits
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Nice RR Padmei.

Re the gearbox breather, I left more of the speedo outer (just gone back & seen some of your photos from the right side), & ran it further up the frame. I also wrapped the end in a piece of oiled foam held on with a cable tie, so that the air could escape, but the oil wouldn't so much. You could probably extend the breather more with a peice of plasic tube over the speedo outer if it caused you grief. I'm surprised it still spits it out though.
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Old 02-26-2012, 10:52 AM   #722
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Quote:
Originally Posted by Box'a'bits View Post
Nice RR Padmei.

Re the gearbox breather, I left more of the speedo outer (just gone back & seen some of your photos from the right side), & ran it further up the frame. I also wrapped the end in a piece of oiled foam held on with a cable tie, so that the air could escape, but the oil wouldn't so much. You could probably extend the breather more with a peice of plasic tube over the speedo outer if it caused you grief. I'm surprised it still spits it out though.
It wasn't spitting out of the top of the breather but at the gearbox exit. I think maybe it isn't joined correctly - orrrr the tube is blocked . The foam idea is a good one.

I might post over on oldscool & see if anyone else has that happening.
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Old 02-26-2012, 09:26 PM   #723
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Originally Posted by Padmei View Post
Yes but you are a riding God Nordie. And no- I know better than to follow you! I'm still pulling gorse out of my fingers
You been selling your old tyres to other BMW owners?
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Old 02-26-2012, 10:05 PM   #724
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Padders nice little RR - its been said already, your prose / imagination is pretty kool (not to mention the skill with which you're punting that old airhead around) I reckon there's a potential career for you in writing should you tire of being a 'sparky' - onya Craig! Cheers S
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Old 02-26-2012, 10:43 PM   #725
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Originally Posted by innathyzit View Post
on the molesworth ride the k&n blocked up with dust(something the foam ones never do ergo letting the dust through). My theory was that if half way through the day I could just whip the foam part off and carry on saving time cleaning the k&n etc.
Foam ones do block up, and then you can actually suck them off the frame and down the intake until you get a gap for the engine to breath through. In fact the mini filter (literally, from the 65SX) on the e-start 640 chokes up quite readily which is why I run filterskins. To compound the problem, the 640 self-dusts, so avoiding the rider in front makes no difference.

Foam ones also may have a much greater filter area (depth) so don't suffer the problem in the same manner a K&N does. Most foam filters these days are dual-stage so you can't see what is being blocked at the outer limit of the finer inner stage.
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Old 02-27-2012, 12:42 AM   #726
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Quote:
Originally Posted by Padmei View Post
It wasn't spitting out of the top of the breather but at the gearbox exit. I think maybe it isn't joined correctly - orrrr the tube is blocked . The foam idea is a good one.

I might post over on oldscool & see if anyone else has that happening.
Pull the speedo outer upwards. Does it come out? If it does, then you didn't have put it in properly. The bolt at the back of the gearbox should positively locate it. When you took the speedo cable out did you also remove the speedo drive? That should have remained in there.

I replaced the breather bolt with one that didn't have a hole in it.

I also siliconed around inside the the rubber boot over the speedo outer, so that rain didn't use the cable outer as a channel into the gearbox. Finally I also put a cable tie around the boot & speedo outer so that this was positively sealed.

Hope that all helps & makes sense.
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Box'a'bits screwed with this post 02-27-2012 at 01:01 AM
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Old 02-27-2012, 01:27 AM   #727
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Yeah it does thanks Nutso. Has yours spit out any oil doing Welly rides?

I have been reading the Bing Carb book. What an excellent piece of literature.
I have to be honest & say I never really understood how all the jets & circuits worked but this very easily read book puts it there in a clear concise way. ie I knew about the venturi effect however didn't realise it was the pressure in the float bowl that 'forced' (for lack of a better way of putting it) the fuel thru the main jet. I thought it was merely sucked thru. And how the float levels affected lean & rich mixtures.

Here's a sentence from it that as soon as I read it I knew it was the kind of techy writing I could follow...

By itself the carburettor does nothing- but attach it to a reciprocating engine - it comes to life, providing the very lifeblood that all engines exist on; air & fuel!

After reading that I was standing up Goat horning

I'll read it a few times back to back so it is all in there then order some more choke gaskets from MBs.
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Old 02-27-2012, 02:28 AM   #728
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Sounds like a revealing book!

Whether it sucks or is pushed is really the same thing, but described from different sides of the fence. The float bowl is always at atmospheric pressure. Open the throttle and the venturi creates lower pressure, so the fuel moves from high pressure to low pressure via the main jet.

If you are siphoning the petrol from the family truckster to put fuel in the bike, when you suck on the hose you are merely creating low pressure so the atmospheric pressure in the fuel tank can push (force) the petrol in to your mouth... same thing.
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Old 02-27-2012, 10:28 AM   #729
Box'a'bits
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Originally Posted by Padmei View Post
Has yours spit out any oil doing Welly rides?
Nope.
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Old 02-27-2012, 11:53 AM   #730
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Originally Posted by NordieBoy View Post
You been selling your old tyres to other BMW owners?
I just have to quote this for awesomeness. Wish I could ride my GS like that. Though itd have to be an HPN before Id be happy to deal out that kind of punishment.
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Old 02-27-2012, 12:41 PM   #731
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Originally Posted by Padmei View Post
After reading that I was standing up Goat horning
the poor goat

you airhead riders have some strange rituals


that airhead video Nordie posted was awesome
I suspect the airheads would have had a bit less clutch lining by the end of the ride.
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Old 02-27-2012, 04:51 PM   #732
NordieBoy
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I suspect the airheads would have had a bit less clutch lining by the end of the ride.
Whats Afrikaans for "what's that smell?"

Anyway, the way they were abusing the tyres, the clutches should be fine
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Old 03-06-2012, 12:10 AM   #733
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Just in case you were wondering Schmidt had bit of a snort, rolled over & continued snoring.

Best not wake him...
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Old 03-09-2012, 11:17 PM   #734
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The chills of Autumn are seeping in under the door & the sun is losing it's intensity as the Earths axis angles away from the southern hemisphere Summer & towards the bone numbing temperatures of Winter.
With the cooler months approaching rapidly I have been contemplating fitting a screen to Schmidt to combat the icy blasts across my puku & chest.

I reserved today for a ride out to Titirangi bay, Kenepuru - a destination I have been trying to get to for a while now. I figured it would be a good trial to ascertain if a screen would make that much difference.

Nordie has a screen on his DR that seems a pretty good compromise. Not too obtrusive & good surface area for protection. Nordie graciously agreed for me to tial it so off to the eporium I tootled.



A few twists with an allen key & it was fitted to my bike. his has handlebar mounts that are modified to attach to the headlite bracket.

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Old 03-09-2012, 11:32 PM   #735
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Today was a spectacularly beautiful & warm day. Before I knew it I was at the turn off along the Queen Charlotte Drive heading out towards the Kenepuru Sounds.



If you look at the pic below in the Top right hand corner Titirangi bay lies where the road ends.



It wasn't long before a nice photo op location was had. The water in the sound was as green as water can get




Ok. I'm goping to find it hard to do an exciting ride report this time because nothing of particular interest happened on the ride out. The bike was running sweet, the air was fresh, the scenery was fantastic & the roads were.. well just like below...



Windy, empty dry sticky roads. Sometimes plastered with sunlight, more often shaded. They had been freshly sprinkled with small chipseal & as I rode along I was peppered with tar tinged pellets.
Cast your imagination out there & you can feel the cool still air under the canopy, hear the cicada chorus & smell as you ride along the hot melting tar, freshly mown grass & that pungent yet enticing aroma of wet rotting pungas.

From time to time the road would open up to this





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