T140 Bonneville street tracker-kind of mix project ODDISEY - Page 4 - The Jockey Journal Board

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Old 12-23-2011, 05:34 PM   #61
buddhistpunk77
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

the best way is to use an old timing pinion placed between the camshaft pinion and intermediate wheel. works for both removal and instellation.
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Old 12-24-2011, 05:24 PM   #62
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

I believe your motor breathes its excess pressure through the primary breather..... so not only do those three holes allow the passage of fluid but also is where your crankcase breaths through. You run the same oil in the engine as in the primary. Whatever it calls for.
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Old 12-26-2011, 08:00 PM   #63
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

...Dan boy, I know your feeling but in this case was pretty simple with no pain due to the long and powerful cricket.

-Hey Buddhistpunk77, what s exactly the way you put that pinion? I do not see any place between those pinions or you say replace one of the pinions then put the old one, etc?
but in that case, how do you use this to remove it?

-96dragginsdime, my gut feelings is with the con rods shell bearings...
seems that an oil filter is mandatory

--I noticed about rotary oil pumps for Triumph s in 1998 or so. I decided that when a T140 engine appeared, I would buy one so in 2009 I bought it from a UK shop, but in all these years from time to time I checked and have been seeing that nobody want one really and a lot of bad stuff going on like oils seals damaged; do more holes in the release valve, etc etc
Finally I emailed Morgo and said that I have a rotary one new in an unopened package that I ordered from x shop there and I want a piston one in exchange no matter if the cost is a half...my loss. They checked the number on the pump and in their data compared and saw in which (!) shop I bought the pump and say yes. Few weeks later they sent me the other pump and a t shirt with the international shipping paid too





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Old 12-26-2011, 08:46 PM   #64
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

reverb, you just put it where you are using the screw driver,the teeth mesh and the whole lot locks up
jerome
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Old 12-30-2011, 06:47 PM   #65
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

---so Buddhistpunk77, the pinion should be a small one to fit there...

-The cyl barrels are brand new
The pistons and rings are OEM







here s another way to put the pistons:








Last edited by reverb; 12-30-2011 at 06:55 PM.
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Old 12-30-2011, 07:29 PM   #66
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

Great post, thanks for sharing, love the old triumph, maybe some day I will get one again, had a 650 Bonnie back in the 60's.

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Old 01-02-2012, 06:25 PM   #67
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

Hello RogerMason, thanks.

-I did not have the 4 tall nuts for the base of the cyl barrels so I bought an hex stainless steel rod; then polished and then machined.







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Old 01-03-2012, 10:50 AM   #68
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

I cant see very well in the images, but did you remember the cylinder base gasket?
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Old 01-03-2012, 06:00 PM   #69
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

WOW! Thats some really smart and fine mechanical craftsmanship if I've ever seen it. You really know the meaning of if you're gonna do it, do it right. I love seeing the way people turn wrenches so please keep up on the progress!!
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Old 01-03-2012, 08:31 PM   #70
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

...hey Rolands thanks.

Lucky Lindy, yeah, it s that Grey thing that shades a bit there

Ironhead Slim, well man, I dunno, Im trying at least

BY THE WAY: WHY the tappet clearance in the T140 s is the other way round than logic?

I read that s because very different cam lift but logically the exhaust have more clearance...
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Old 01-05-2012, 06:16 PM   #71
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

...what I try to say is as per the manual the t140 have 0.008" inlet! and 0.006" exhaust¿?
Ok, I can understand that lift thing on the cam but still goes counter logic...
(t120 is 0.002 inlet and .004 exhaust)
Do you have opinions on that?


--I forgot to mention that the tappets were a pain to put into the blocks.
When the blocks and tappets were outside the cyl barrels, I checked that everything was smooth and ok; After put the blocks on the cyl the fuckers did not enter anymore!. I spent around 5 hours "smoothening" again.

--In which tool the factory thought when did the cyl mould?
I mean, there s no wrench to adjust tight the 12 point nut showed (left one). I have an ultra thin Bahco wrench that adjusted the other ones but impossible to adjust very tight this one.

I think that Ill cut an open cheap 1/2 wrench and see what happend.




Last edited by reverb; 01-05-2012 at 07:25 PM.
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Old 01-05-2012, 08:01 PM   #72
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

Nice build so far, those polished cases are intense! Did those federal mogul rings come with a 3 piece oil ring? Don't get too crazy with oil in the cylinders, you want those rings to bed in.

Can you grind that wrench down some to fit in behind that nut?
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Old 01-05-2012, 08:38 PM   #73
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

...hello man,
those AE (Hepolite) rings have the 2 piece oil rings (the ring and the spring)

As I mentioned, I have a wrench that is super slim in the rounded part, more than 90% and do not fit.
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Old 01-05-2012, 10:04 PM   #74
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

Quote:
..hello man,
those AE (Hepolite) rings have the 2 piece oil rings (the ring and the spring)
Okay thanks. I used some Hastings rings with chrome top ring and 1 piece oil ring on a recent engine build. Not impressed. One cylinder looks to be getting oil past the rings. Let us know how those rings work.

Not sure, but I think federal mogul is making AE rings now.
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Old 01-06-2012, 11:48 AM   #75
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

I used Hastings chrome rings, could not get to stop smoking. took them out, put in soft iron rings ,no oil smoke.



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Old 01-07-2012, 02:07 PM   #76
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

...Federal Mogul is a conglomerate, like VW is the owner of BMW, etc.

Still waiting for opinions on the tappets clearances.
In the meantime I put the engine on the frame until the fucker be heavier to draw the basics to build the rear engine/frame plates.
Im guessing here; I mean, I do not know if the platyes are straight or have some foiling to accomodate something. Remember that the bottom end is 79 and the frame 67; fit, but a bit different possibly or may be not...
I think the rear frame is somewhat twisted but might be due to not bolt there...I do not know.



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Old 01-08-2012, 04:38 AM   #77
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

Quote:
Originally Posted by reverb View Post
That's really odd, I don't know why yours should be different. I got a ring spanner on all of mind with no problems. It might work it you cut open a ring end spanner. You could always weld up some additional supports along the side of the spanner to help stop it opening up when you tighten the nut down. The only other option I can see is for you to make more nuts up that will take an open end spanner like you already did.

Cheers Dan.
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Old 01-09-2012, 07:56 PM   #78
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

...Hey Dan boy, so with those welded supports still the wrench fit in that tiny space?
the nut is almost on the jug wall.

-I have another very distinctive and different t140 characteristic question:

A Factory bulletin from 1979 say that with the composite head gasket you should torque to 22lbs the 3/8 and to 18 the 5/16
then run and retorque to less!!! (the ones that are in the manuals that have the copper gaskets...) to 18 lbs the 3/8 and to 16 the 5/16

!!!!!
please somebody that used these gaskets what are the experiences?

thanks in advance.
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Old 01-13-2012, 07:15 PM   #79
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

...well, seems that nobody have an opinion on that...

I have pictures reassembling the box; I noticed different treatment in the Triumph s boxes; the pre units are easier to assemble all the pack as the unit 650s; the unit 500s, the gears pack, the selector and even the inner cover, etc and these 750s better one by one.

-Aligned the top of the second thoot with the foot change spindle bore.
-Also, the camplate is better than the 650s because you can put it or pull out without molesting the 5th gear, etc








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Old 01-25-2012, 11:02 AM   #80
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Default Re: T140 Bonneville street tracker-kind of mix project ODDISEY

...I decided to continue with this thread but seems that there s not too much interest.
I have been seeing that the interest in this board is more prone to threads that have welding, do changes, etc on frames, tanks..
My perspective is from a rider that is building a "new" ride with most of the problems found in rebuilding a motor (and then the bike) to facilitate for another buddy out there to easy see where those problems are
so it s not only put pictures and follow with it
a few words describing or asking about a determined step or that the thing is not so simple as a video or manual can show; the "real life" is more difficult
Also, this one is complicated due to is a basket case not a complete bike to start.
Hope still many of you are interested.

thanks

--here is the front hub; a friend done for me in the lathe. I cannot find the pictures of the manufacturing



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