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Old 30th November 2009, 15:12   #16
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Hey Shashank, are you sure you can tweak stuff of the CDI?? If yes I need more info on that my friend.
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Old 30th November 2009, 15:34   #17
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No Ron, I am not sure, that is why I used the word "guess".
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Old 1st December 2009, 02:06   #18
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A point replacement kit allows you to play around with the Timming. and CDi cannot be played with until and unless you know the Great knowledge of building one for yourself
and same goes for TCI.
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Old 2nd December 2009, 00:40   #19
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Just noticed that the numebr for the Autoescorts is on the thread started by Sankar. will call them to morrow to find out more about it
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Old 2nd December 2009, 10:35   #20
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Quote:
Originally Posted by desideep View Post
A point replacement kit allows you to play around with the Timming. and CDi cannot be played with until and unless you know the Great knowledge of building one for yourself
and same goes for TCI.
Now what is a point replacement kit ? What kind of system does it use ?
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Old 2nd December 2009, 13:41   #21
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Well I was searching for some information on a point replacement kit a couple of weeks ago and I had posted a topic. However the mods moved it as a part of a topic.

I guess the same link might be useful here.

Programmable High Energy Ignition System - Vespa Labs

You would see a PDF file listed here, save it on to your PC's. If someone can make this for me, I could test it on my Electra 4s
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Old 2nd December 2009, 21:17   #22
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Hi i talked to the Autoescorts people. they told me enough about the Kit. you can use the kit just inplace of the Points you have to remove the sator plate and replace it with the replacement kit. the benifit is that the Kit is not effected by water that means that when you wash the bike you dont have to worry about the starting problem because of the point being wet, then the bike just has to have the battery in it it does not really need to be charged to the fullest all the time.
----------

The point replacement kit helps adjusting the timming just like a normal points.

i am ordering two kits for now. lets see how they perform after that will get a spare kit for myself.

also talked to one of the best mechanics in delhi he has told me that the bike will perform better with it and also mentioned the battery thing.
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Old 2nd December 2009, 22:01   #23
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@ Desideep : wait a minute, you still have that centrifugal advance set up to go wrong. I am tempting you to go for CDI . See i remember someone here having a CI 500 with both CB & CDI systems. For him if points fail, he could switch over & that's it.

Its the static timing which is set at points, right? Here the spark is prompted by the CB point but in CDI/ TCI a pickup /pulsar coil prompts sparking. So shifting this coil back /forward should adv /retard timing. Dynamic timing also varies accordingly. I doubt if there's a ready provision (like slots for mounting screws) but it could me made i believe. My twin is running similar juggads on CDIs without pickup triggers.

Last edited by Rennjit : 2nd December 2009 at 22:16.
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Old 2nd December 2009, 22:36   #24
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Hmm thanks Rennjit for your reply. see my main concern is that to convert the bike to CDI we have to open up the crank case to change one side of the crank case, i dont want all that hassel at the moment. but lets see. i also have a AVL crank case lying around need to use that aswell.
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Old 2nd December 2009, 23:36   #25
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Quote:
... have to open up the crank case to change one side of the crank case, ...
You mean changing one side of crank shaft i believe, clutch side shaft not the case. Seems you did some detail search, could you pls share what else needs a change- alternator coil assy, magnet, clutch outer case etc. Well, the kit is a good upgrade. how much it cost's ?

& any electronic wizards here? how about adapting this kit's sensor to trigger a TCI, that way no major component changes for the conversion. Not possible for CDI as the separate coil (ignition primary) necessitates major changes. Also TCI running off a battery provides better starting characteristics & might be the reason for RE's preference.
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Old 3rd December 2009, 02:40   #26
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Please excuse my ignorance but what exactly is the difference between TCI and CDI? As far as I understand, TCI differs from the standard CB point setup only in that the triggering switch (CB points, perhaps?) simply causes a transistor to switch the high current circuit which charges the ignition coil. In CDI, a capacitor is charged by the alternator (or is it the pulsar coil?) which when triggered, discharges into the ignition coil causing a spark in the spark plug. This is my understanding which is as simplistic as the explanation here.
Another question, which is more relevant here is what is the advantage of CDI over TCI? Quite a few people have claimed that CDI is better than TCI.

@desideep - What is the cost of the points replacement kit and what parts does it consist of? Do you think it can run on 6 Volts? You mentioned "one of the best mechanics in Delhi". Can you suggest a good mechanic who understands old model Bullets well? I'm new in the NCR region and am having trouble finding a good mechanic. Perhaps, I can get some inputs on improving 6V ignition.

PS: I hope the last bit isn't too off-topic. Didn't know where else to ask.
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Old 3rd December 2009, 20:17   #27
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Quote:
Originally Posted by Rennjit View Post
You mean changing one side of crank shaft i believe, clutch side shaft not the case. Seems you did some detail search, could you pls share what else needs a change- alternator coil assy, magnet, clutch outer case etc. Well, the kit is a good upgrade. how much it cost's ?

& any electronic wizards here? how about adapting this kit's sensor to trigger a TCI, that way no major component changes for the conversion. Not possible for CDI as the separate coil (ignition primary) necessitates major changes. Also TCI running off a battery provides better starting characteristics & might be the reason for RE's preference.
Oh yes sorry i did mean the Crank shaft of the clutch side. kinda i am into detailed research about this.

for the CDI conversion, all the electricals are to be changed, including the alternator, magnet and all that stuff. i feel that the Full conversion is a better option cause of the fact that if it breaks some where you would be able to get the parts. where as the Auto escorts kit is a good options aswell cause with that you dont have to go through the hassel of opening up the engine. but the only problem is that if it develops a fault you would be strangeled till you buy another one where we have a alternate of buying two of them.

Quote:
Originally Posted by Darth Sid View Post
Please excuse my ignorance but what exactly is the difference between TCI and CDI? As far as I understand, TCI differs from the standard CB point setup only in that the triggering switch (CB points, perhaps?) simply causes a transistor to switch the high current circuit which charges the ignition coil. In CDI, a capacitor is charged by the alternator (or is it the pulsar coil?) which when triggered, discharges into the ignition coil causing a spark in the spark plug. This is my understanding which is as simplistic as the explanation here.
Another question, which is more relevant here is what is the advantage of CDI over TCI? Quite a few people have claimed that CDI is better than TCI.

@desideep - What is the cost of the points replacement kit and what parts does it consist of? Do you think it can run on 6 Volts? You mentioned "one of the best mechanics in Delhi". Can you suggest a good mechanic who understands old model Bullets well? I'm new in the NCR region and am having trouble finding a good mechanic. Perhaps, I can get some inputs on improving 6V ignition.

PS: I hope the last bit isn't too off-topic. Didn't know where else to ask.
I may not be able to answer the main question above but will answer the Bold part(In office rite now will have to read the above)

The point Replace ment kit costs 1200 + 50 delivered to your place any where in india direct from Autoescorts Bombay.

I weould storngly recomend to run the 12 V setup cause of the fact that it would be good for your over all bike.

we can certainly talk more about the mechanic. Send me a PM.


-------------------------------------------------------------

I have a AVL crank case with me it has all the parts complete. i am very confused regarding the conversion now that if it should be the Autoescorts conversion or when i am going to open up the engine for replacing the oil pump to the AVL oil pump at that time is shoud just go for the Full electra conversion.

Please suggest

Last edited by desideep : 3rd December 2009 at 20:26.
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Old 3rd December 2009, 23:24   #28
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Desideep, thanks for the response. I know the benefits of the 12V electrical system - better ignition, brighter lights (especially the headlight - the 6V one is only better than no headlight!) but the cost of a conversion is a deterrent for me. Nearly Rs 4000. Perhaps, if there was a possibility of a phased conversion - part by part. The two main expensive parts are the alternator (Rs 1300) and battery (nearly 700?). I wonder if the output of a 12V alternator can be adapted to charge a 6V battery until I can change the rest of the components.

So, the Autoescorts kit won't run on 6 Volts?

I've sent you a PM.
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Old 4th December 2009, 00:57   #29
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Quote:
Originally Posted by Darth Sid View Post
Desideep, thanks for the response. I know the benefits of the 12V electrical system - better ignition, brighter lights (especially the headlight - the 6V one is only better than no headlight!) but the cost of a conversion is a deterrent for me. Nearly Rs 4000. Perhaps, if there was a possibility of a phased conversion - part by part. The two main expensive parts are the alternator (Rs 1300) and battery (nearly 700?). I wonder if the output of a 12V alternator can be adapted to charge a 6V battery until I can change the rest of the components.

So, the Autoescorts kit won't run on 6 Volts?

I've sent you a PM.
hmm see the alternator that you are talking about is the one from the showroom. you can get the OEM alternator for 300 or 400 rs if you want i have have one lying around you may have that.
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Old 4th December 2009, 01:34   #30
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Yes, that's the cost from the showroom but even some spares shop will sell it only 100 to 200 bucks cheaper.
300-400? Interesting... How old is it and how much was it used. Seems quite tempting!
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