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Sparx three phase stator problem #448304
08/09/12 6:38 am
08/09/12 6:38 am
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machico Offline OP
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Hi. smile I'm working on my 1970 T120. I'm trying to install the Sparx three phase stator but it doesn't fit well. The primary chain tensioner is in the way. So the stator doesn't sit on the three stud bolts. Has anyone experienced same problem? Is this stator defective? What is the best way to solve this problem? Shave the stator?






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Re: Sparx three phase stator problem [Re: machico] #448362
08/09/12 7:31 pm
08/09/12 7:31 pm
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Clarksburg, WV USA
Ken Holby Offline
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Since it's new, why not contact SPARX and ask them - either by phone or e-mail?


'70 TR6R Chop (always in process)
Re: Sparx three phase stator problem [Re: Ken Holby] #448365
08/09/12 7:37 pm
08/09/12 7:37 pm
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machico Offline OP
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Originally Posted By: Ken Holby
Since it's new, why not contact SPARX and ask them - either by phone or e-mail?


Hello Ken, yes you are right. Do you know their web site or email address?

Re: Sparx three phase stator problem [Re: machico] #448367
08/09/12 7:40 pm
08/09/12 7:40 pm
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Norfolk, UK
L.A.B. Online content
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Originally Posted By: machico
Do you know their web site or email address?


"Sparx" are Tri-Cor England: http://www.tri-corengland.com/acatalog/SPARX_products.html

Re: Sparx three phase stator problem [Re: L.A.B.] #448369
08/09/12 7:43 pm
08/09/12 7:43 pm
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machico Offline OP
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Originally Posted By: L.A.B.
Originally Posted By: machico
Do you know their web site or email address?


"Sparx" are Tri-Cor England: http://www.tri-corengland.com/acatalog/SPARX_products.html


Thanks! laugh I didn't know that. Appreciate it.

Re: Sparx three phase stator problem [Re: machico] #448371
08/09/12 8:11 pm
08/09/12 8:11 pm
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Boston, Massachusetts
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John Healy Offline

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You need a Sparx kit number SPX-003A. It consists of three studs used to space the stator out to clear the tensioner.

http://www.tri-corengland.com/acatalog/Alternators.html

DO NOT REMOVE ANY INSULATION FROM THE STATOR!!


Re: Sparx three phase stator problem [Re: John Healy] #448373
08/09/12 8:20 pm
08/09/12 8:20 pm
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machico Offline OP
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Originally Posted By: John Healy
You need a Sparx kit number SPX-003A. It consists of three studs used to space the stator out to clear the tensioner.

http://www.tri-corengland.com/acatalog/Alternators.html

DO NOT REMOVE ANY INSULATION FROM THE STATOR!!


Hi John, Thank you very much for your advice.
What's the difference between SPX-003A and original studs?

Re: Sparx three phase stator problem [Re: machico] #448407
08/10/12 1:59 am
08/10/12 1:59 am
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Boston, Massachusetts
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John Healy Offline

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They set the stator farther away from the chain adjuster.


Re: Sparx three phase stator problem [Re: John Healy] #448412
08/10/12 2:38 am
08/10/12 2:38 am
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machico Offline OP
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Originally Posted By: John Healy
They set the stator farther away from the chain adjuster.


Doesn't the primary cover interfere with the stator if the stator farther away from the tensioner?
I tried to fit the primary cover when the stator touched the tensioner but the cover interfered with the stator. frown

Re: Sparx three phase stator problem [Re: machico] #448413
08/10/12 2:51 am
08/10/12 2:51 am
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JubeePrince Offline

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Don't you need to use a dremel tool to relieve the inside of the primary cover with those stators?

Steve


'77 T140J
"Vintage Bike". What's in your garage?

"The paying customer is always right."

Fitting round pegs into square holes since 1961...
Re: Sparx three phase stator problem [Re: JubeePrince] #448417
08/10/12 3:23 am
08/10/12 3:23 am
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machico Offline OP
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Originally Posted By: JubeePrince
Don't you need to use a dremel tool to relieve the inside of the primary cover with those stators?

Steve


That's an idea but I don't want to grind the case.
Does everyone using sparx stator need to grind the inside of the primary case? confused

Re: Sparx three phase stator problem [Re: machico] #448437
08/10/12 10:37 am
08/10/12 10:37 am
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Tampa, Florida
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GTSRider Offline
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Your problem is weird...I have a SPARX in my T140, and no problems... like the guys said ...I'd make it SPARX's problem.
If you look at your first pic.... I had a break in the insulation of the cable where in has it's 90 degree bend...would like to see them redesign that with a molded separate 90 degree elbow there.
Pete


PM
Re: Sparx three phase stator problem [Re: machico] #448438
08/10/12 10:48 am
08/10/12 10:48 am
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Scotland
kommando Online content
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Has the T140 a deeper cover due to the Triplex chain ?

Re: Sparx three phase stator problem [Re: GTSRider] #448443
08/10/12 11:45 am
08/10/12 11:45 am
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machico Offline OP
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Originally Posted By: GTSRider
Your problem is weird...I have a SPARX in my T140, and no problems... like the guys said ...I'd make it SPARX's problem.
If you look at your first pic.... I had a break in the insulation of the cable where in has it's 90 degree bend...would like to see them redesign that with a molded separate 90 degree elbow there.
Pete


Hello GTSRider,

I emailed to Tricore and talked about my problem. They said that when fitting high output stator, I have to take off the end of the tensioner boss and modify the end of tensioner blade.

It makes sense.

As for the SPX003A studs, they said that the set is only for triplex chain 750s. So they are not needed on duplex chain.

I didn't know the insulation problem. The insulator looks too soft. I have to watch out. Thanks for the info smile

Machico

Re: Sparx three phase stator problem [Re: kommando] #448447
08/10/12 12:10 pm
08/10/12 12:10 pm
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machico Offline OP
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Originally Posted By: kommando
Has the T140 a deeper cover due to the Triplex chain ?


Hello kommando,

I'm not sure if the T140 has a deeper cover but seems that I have to modify the chain tensioner as I said above. The problems are solved but I'm not sure if the tensioner works good as it should when modifying the tensioner. confused I have to try any way.

Machico

Re: Sparx three phase stator problem [Re: ] #448448
08/10/12 12:19 pm
08/10/12 12:19 pm
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machico Offline OP
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Originally Posted By: Allan Gill
I have my genuine Lucas 3 phase fitted the opposite way around - trying to save the insulation. It doesn't, and it still hardens from the hot oil and cracks.


Hello Allan,

That is a cool idea. Thanks for your input. smile

Machico

Re: Sparx three phase stator problem [Re: machico] #448450
08/10/12 12:32 pm
08/10/12 12:32 pm
Joined: Aug 2001
Posts: 2,692
New Hampshier USA
MikeG Offline

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I fitted a Sparx to my 71 Bonnie with no problems at all. No modification was needed to the cover, studs, or the tensioner.


1960 BSA A10
2007 Suzuki Bandit
1957 A10
(Used to be a Triumph here)
71 Norton Commando
17 Triumph Bonneville

Re: Sparx three phase stator problem [Re: MikeG] #448451
08/10/12 12:44 pm
08/10/12 12:44 pm
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machico Offline OP
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Originally Posted By: MikeG
I fitted a Sparx to my 71 Bonnie with no problems at all. No modification was needed to the cover, studs, or the tensioner.


Hello MikeG,

Really!? crazy
Did you fit a 3 phase Sparx to your bonnie?

Machico

Re: Sparx three phase stator problem [Re: machico] #448457
08/10/12 1:13 pm
08/10/12 1:13 pm
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Posts: 2,692
New Hampshier USA
MikeG Offline

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Yes, 3 phase stator and rotor. The only thing I had to do differently was the nuts that hold it on. The relief in the insulation on the Sparx is not as wide as that on the Lucas, and a socket would not fit in. I had to make spacers for the two front nuts, and get a tall nut for the rear one.


1960 BSA A10
2007 Suzuki Bandit
1957 A10
(Used to be a Triumph here)
71 Norton Commando
17 Triumph Bonneville

Re: Sparx three phase stator problem [Re: MikeG] #448460
08/10/12 1:36 pm
08/10/12 1:36 pm
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machico Offline OP
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Originally Posted By: MikeG
Yes, 3 phase stator and rotor.

mmmmmm, I don't understand why mine has problem like this. If there were problems about fittings, tricor would have attached the instruction or something. I looked up the parts manuals for 70 and 71 but there are no differences. Might be new casting for crankcase from 71?

Originally Posted By: MikeG
The only thing I had to do differently was the nuts that hold it on. The relief in the insulation on the Sparx is not as wide as that on the Lucas, and a socket would not fit in. I had to make spacers for the two front nuts, and get a tall nut for the rear one.

I have to deal with this problem too. eek

Re: Sparx three phase stator problem [Re: machico] #448469
08/10/12 2:12 pm
08/10/12 2:12 pm
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John Healy Offline

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If you choose to cut the tensioner, the tensioner for the 500 is already cut to clear the alternator (70-6283). This means you only have to shorten the stand (or use a 500 one). It is funny that with as many of these that are fitted to Triumph 650's that this hasn't come up before. The T140 clearance problems have been known since the beginning and a kit was made.

If you are installing this on a Triumph with CEI threads use 3 of 70-1310 nut. If on one with UNF threads use 3 of 21-2177 nut. Both of these nuts are small hex (7/16 in.) and tall. The Norton already uses a small hex (7/16 in.) 5/16 in. nut albeit it is shorter than the ones above.


Re: Sparx three phase stator problem [Re: John Healy] #448477
08/10/12 3:08 pm
08/10/12 3:08 pm
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machico Offline OP
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Originally Posted By: John Healy
If you choose to cut the tensioner, the tensioner for the 500 is already cut to clear the alternator (70-6283). This means you only have to shorten the stand (or use a 500 one). It is funny that with as many of these that are fitted to Triumph 650's that this hasn't come up before. The T140 clearance problems have been known since the beginning and a kit was made.


John, it is like the scales fell off from my eyes! laugh Now I can see the light. Thanks for your input! I'd been working on T100R last year and remember The tenrioner for the 500 is already cut but I didn't know the tensioner for 500 can be used on 650.



Originally Posted By: John Healy
If you are installing this on a Triumph with CEI threads use 3 of 70-1310 nut. If on one with UNF threads use 3 of 21-2177 nut. Both of these nuts are small hex (7/16 in.) and tall. The Norton already uses a small hex (7/16 in.) 5/16 in. nut albeit it is shorter than the ones above.

Thanks for this too. Appreciate it! laugh I was planning to use air craft nut which is small hex but they are metal stop nut and they might damage studs. I should use 3 of 21-2177.

Re: Sparx three phase stator problem [Re: machico] #453138
09/06/12 1:08 am
09/06/12 1:08 am
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Indiana, USA
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Did you try turning it 120 deg to the right... so Sparx is at the top? On every triumph I've disassembled the wire coming out of the stator was at about 5 o'clock.I realize that the two I've done could have been installed incorrectly. I'd just try it. From your picture it looks like there is a notch in the stator assembly. Just an observation. It may not make a difference.

Nova

Last edited by Novafrk; 09/06/12 1:11 am.

If something I say can be taken one of two ways... and one of those two ways pisses you off... I probably meant the other one.

71 T120R

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