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Author Topic: For all the oil injection bikes....  (Read 4316 times)

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Offline 2fITy.J

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For all the oil injection bikes....
« on: October 06, 2012, 01:52:29 pm »
Went for a ride on my '76 TC125 this morning along a favourite section....looked back to see my lovely plume of blue smoke and it wasn't there.... :o

Oh good, I thought...the oil tank is finally empty and I can put some fresh R30 in it. (I've ridden the bike for 18 months without knowing what actual oil that was in there) Glanced down at the next stop sign at the peek window and it still showed oil....I pulled into a side street and took the cover off. Still 1/8th of a litre left but no oil in the short feeder line to the pump...although oil was present at start up as she smoked as normal.

I nursed the bike the 1/2mile back to home and set about taking the oil tank off. Wrestled with the "I'm not budging" hardened plastic feeder hose for ages and eventually removed and drained the tank. I would describe the ensuing sight with a sound....a bit like "Ploop". Yep, my oil tank laid a Tosca.....











You can even see the shape of the feeder line entry at the top left.


I would say I was very lucky I like to look back at where I been sometimes.....




Cheers,
Chris.

PS: the drain bowl already had some crappy gearbox oil/water in it. There was maybe 50mil of free oil left in the tank, but blocked by jelly.
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I don't drive but currently ride '82 IT250J - '90 DR650RS - '76 TC125
'82 IT465J (unassembled) - '81 MX100A Ghost - '76 DT100C Ghost - '75 TM75 (yay, it's runs)

Offline Mike52

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Re: For all the oil injection bikes....
« Reply #1 on: October 06, 2012, 02:19:28 pm »
That looks dead. :o
Lucky you're bikes not.
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Offline Iain Cameron

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Re: For all the oil injection bikes....
« Reply #2 on: October 06, 2012, 02:21:07 pm »
one very good reason to go premix Iain
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Offline Mike52

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Re: For all the oil injection bikes....
« Reply #3 on: October 06, 2012, 02:26:13 pm »
Quote from: iainyz on October 06, 2012, 02:21:07 pm
one very good reason to go premix Iain
You can't just go premix on the little suzuki's Ian as the oil pump feeds one of the mains directly.
There is a brass ring/cup thingy that has to be removed off the crankshaft.
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85/400WR,86/240WR,72/DKW125,Pe250c,TC90,TS100,XT250,86/SRX250,XR400r
Friend  struggling up a hill on a old bike at MTMee .http://www.youtube.com/watch?v=cjj6E2MP9xU.

Offline Iain Cameron

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Re: For all the oil injection bikes....
« Reply #4 on: October 06, 2012, 02:51:07 pm »
Quote from: Mike52 on October 06, 2012, 02:26:13 pm
Quote from: iainyz on October 06, 2012, 02:21:07 pm
one very good reason to go premix Iain
You can't just go premix on the little suzuki's Ian as the oil pump feeds one of the mains directly.
There is a brass ring/cup thingy that has to be removed off the crankshaft.
sorry never worked on the Suzuki's , its one of the first things I do to my Yammy's though .
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Yamaha tragic ; dt1, rt1, dt2, rt2, dt2mx , rt2mx , mx250, mx360,sc500, 74dt125, yzx125, yzc250, yzc400, yzd250, yzd400, yzh250, yzh80 , dt100 , xr75 ko xr80 03 , it175 82 . Not a member of any club

Offline Doc

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Re: For all the oil injection bikes....
« Reply #5 on: October 07, 2012, 09:04:04 pm »
Lucky save! on another note..R30 might smell nice but it's not suitable for oil injection ;)
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Offline 2fITy.J

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Re: For all the oil injection bikes....
« Reply #6 on: October 07, 2012, 10:18:03 pm »
How come? Castrol's castor is what I used back in the day....


Cheers,
Chris.
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I don't drive but currently ride '82 IT250J - '90 DR650RS - '76 TC125
'82 IT465J (unassembled) - '81 MX100A Ghost - '76 DT100C Ghost - '75 TM75 (yay, it's runs)

Offline brent j

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Re: For all the oil injection bikes....
« Reply #7 on: October 07, 2012, 10:28:38 pm »
Looking at what came out of your oil tank I wonder if different type of oil have been used and some time. I can't remember the details but some oils are not compatible with each other and do funny things.
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Offline 2fITy.J

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Re: For all the oil injection bikes....
« Reply #8 on: October 07, 2012, 10:51:21 pm »
Yeah that's why I was keen when it appeared to have run dry, I do like to know what I'm running. But I had no idea of what ever was used prior. Had no problems at all so, all's good.



Cheers,
Chris.
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I don't drive but currently ride '82 IT250J - '90 DR650RS - '76 TC125
'82 IT465J (unassembled) - '81 MX100A Ghost - '76 DT100C Ghost - '75 TM75 (yay, it's runs)

Offline Mike52

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Re: For all the oil injection bikes....
« Reply #9 on: October 07, 2012, 11:07:23 pm »
Just looking at that photo again Chris.
You don't rekon it's a dead mouse ? ;D
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Friend  struggling up a hill on a old bike at MTMee .http://www.youtube.com/watch?v=cjj6E2MP9xU.

Offline Doc

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Re: For all the oil injection bikes....
« Reply #10 on: October 08, 2012, 11:32:20 pm »
In answer to the why not use R30..unless it's a high revving/high performance engine it will not burn cleanly and leave excess carbon deposits on the piston crown, head, exhaust port. It may also cause rings to stick in the grooves. My TM125 with a fresh engine ran fine but when I pulled it down to replace the rings I was surprised by the black gooey mess that covered everything.
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Offline 2fITy.J

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Re: For all the oil injection bikes....
« Reply #11 on: October 09, 2012, 06:13:43 pm »
I do piston reads fairly often, will keep an eye out for any changes. It will need rings soon, I should have a fair idea how the R30 is doing by then.



Cheers,
Chris.


PS: The TC's love to rev and being a 125, it gets that. There's not much doin' under 5,000 revs.... ::)
« Last Edit: October 09, 2012, 06:15:45 pm by 2fITy.J »
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I don't drive but currently ride '82 IT250J - '90 DR650RS - '76 TC125
'82 IT465J (unassembled) - '81 MX100A Ghost - '76 DT100C Ghost - '75 TM75 (yay, it's runs)

Offline Doc

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Re: For all the oil injection bikes....
« Reply #12 on: October 09, 2012, 09:21:40 pm »
Use R30 if you want obviously but the 8000-8500rpm redline of a TC125 is not exactly hard revving. It smells nice and works well in 'extreme' conditions but TTS would serve you better and still smell sweet.
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Offline evo550

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Re: For all the oil injection bikes....
« Reply #13 on: October 10, 2012, 12:10:07 am »
Doc's right, steer clear of R30 that stuff is toxic, pretty soon you won't be able to tell how much oil is left in the tank through the wretched orange stain.
Heavy carbon build up and ruins plastic fuel/oil lines.
If it's a castor oil you want go with Maxima 927, smells better and is far less destructive.
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Offline Lozza

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Re: For all the oil injection bikes....
« Reply #14 on: October 10, 2012, 06:52:15 am »
Plenty of people are using Castor/syth in oil injection with zero issues (obviously not in Sweden in the middle of winter). Run R30 for ages in my 400 and never seen a slightest hint of carbon build ups.

That does look like a dead rat though
« Last Edit: October 10, 2012, 06:54:14 am by Lozza »
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