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Messages - jurado

Pages: [1] 2 3 ... 6
1
For Sale / Re: KTM 495 reed-valve engine cases wanted
« on: February 14, 2019, 06:37:26 pm »
Thanks. E-mail sent.

2
For Sale / KTM 495 reed-valve engine cases wanted
« on: February 14, 2019, 12:04:28 am »
For a 84´s 495 re-build project, I am looking for a set of  495 reed-valve engine cases.

3
Spaniards (Bultaco, Ossa, Montesa etc) / Montesa Cappra 414 VF re-built
« on: February 08, 2019, 12:22:41 am »
Complete restoration done. Sorry,  me write-up is in Spanish. Some pictures included. 

Regards.


http://www.lamaneta.org/forolamaneta/viewtopic.php?f=62&t=11308&hilit=414


4
KTM / Re: MOTOPLAT QUESTION
« on: May 29, 2015, 04:31:54 pm »
I have one 90´ktm 500 with SEM and another one with Motoplat. Motoplat always worked better for me. Bike always fires at first kick, even when cold. It is easier to fire the bike with Motoplat than with SEM, as the rpm spark threshold is lower (around 300 rpm) for Motoplat.

What Motoplat do tou have?, Look at the number on the flywheel. The standard MX ignition Motoplat is 9600 176-1. It has no light, only two wires. Spark threshold is around 300rpm. Used on: 390-495 1979-84 , 350-550 water cooled, 250 79-85 (86). Also used on 83-85 250 mx
Timing should be 2.1 – 2.2 mm BTDC. You will need a micrometer to properly set it.

Other Motoplats are:

MXC Ignition: 0616026
With light, three wires 6V 35W, for head light only.
This one was available for the big bores from 1982 and up, Spark threshold around 400rpm.
This was also the recomended ignition for the 500/85-86 for the ones who needed a head light. Same is true for all other big bores to replace the five wire 9600 162-1 With the five wire 9600 162-1 it was too difficult to start the 500...
It was used for: 420-495 82-84, 350-550 water cooled, 250 82-83 (can be used up to 86)

Standard Enduro Ignition: 9600 162-1
With light, five wires 6V 35/5/21Watt. Spark threshold around 650rpm.
Some people say this one was the bad one. Bike does not rev with this one. Probably due to a bad ignition curve?
This one was used on ALL KTM up to 1981.
125-400 75-78, 125 79-80, 250 79-86, 390-495 79-84, all water cooled 350-550
Only 125/81 got a new one, see below.

Enduro Ignition, New for KTM 125 1981 and up: 0616016
With light, five wires 6V 35/5/21Watt.
Seems they have changed the ignition curve here for the high rpm of the 125!
Some people say it helps the big bore too, but I doubt it. If it would, then KTM would have dropped the 9600 162-1, but they used it for the big bores until Motoplat died....
Used on the 125 only from 81-83, but will fit and run on big bores too!

New ignition for KTM 125-84: 0616028
With light, five wires 6V 3575/21Watt.
In 1984 they changed the ignition of the 125 again to 0616028. This ignition will not fit any other KTM! (I'm not sure about this, but I think at least they used a smaller mounting plate for this ignition.)
This one should fit all 125cc at least up to 1997...

Good luck.

5
Spaniards (Bultaco, Ossa, Montesa etc) / Re: Montesa Cappra VG 250
« on: January 28, 2015, 06:14:54 pm »
Full cappra VA 250 engine running. I guess roto/stator would be the same.

http://www.milanuncios.com/recambios-y-despieces-de-motos/montesa-cappra-150209389.htm

Plenty of cappra spares in this site.

6
KTM / Re: Carby for 504
« on: August 11, 2014, 05:13:26 pm »
I am running my 1990 GS500 and 1983 495 with Keihin 39 PWK. 52-55 slow jet, 175 main jet, and a CEG needle is what KTM of america recommends.


7
KTM / Re: piston rings 86 ktm 500
« on: July 28, 2014, 10:53:42 pm »
To my knowledge, the CR 500 rings cannot be used in a Mahle/Wiseco ktm 500 piston.

8
KTM / Re: 1989 ktm 500 mx timing
« on: September 19, 2013, 01:36:04 am »
I forgot to mention. When setting the timing BTDC, I would suggest you use one micrometer for proper setting. If you are just a few tenths of millimeters out of the recommended timing, it will make a difference.   



9
KTM / Re: 1989 ktm 500 mx timing
« on: September 19, 2013, 01:24:59 am »
Proper 500cc engine timing depends on the ignition system you have:

- Standard MX ignition (Motoplat 9600 176-1): 2.2 mm  BTDC
- SEM K10:  2.2 mm  BTDC
- SEM K11: 1.5 mm  BTDC


10
Wanted / Re: montesa centre port frame
« on: August 07, 2013, 01:01:52 am »
Plenty on spares here. This one is for a 360 H7.  Said to be in very good condition. 60 euro.

http://www.milanuncios.com/recambios-y-despieces-de-motos/chasis-montesa-enduro-h7-360-100937242.htm




11
KTM / Re: 1988/89 ktm500mx
« on: May 24, 2013, 11:43:45 pm »
0.6 liters.

12
KTM / Re: Piston rings for ktm 495 wanted
« on: March 16, 2013, 02:42:04 am »
I have managed to get a new set of rings, as the ones I had were having some 1.0 mm-plus end gap, which is too much.  New rings have 0.4 mm end gap, which is ok. In this picture you could see the old rings and the new rings, which are of a  “golden” color, because  they are hardened chrome rings.





I read this chromed rings are the one required for this steel cylinder. Is that right?. Would not these rings wear too much the cylinder as they are supposed to be harder than Cylinder?

13
KTM / Re: KTM 500
« on: March 07, 2013, 06:18:15 pm »
Not tried that yet, but I guess the pipe fins to secure pipe to bike frame might have to be adjusted slightly. But I will try it soon , since I recently bought one of them and, one I chrome it, I want to put it in my 90´s 500.


14
KTM / Re: ktm 495 back on ebay
« on: March 06, 2013, 11:03:47 pm »
My current 83´s 495 pipe is crap, but a guy here with magic hands is making one for me. He already made this one for me for another bike. The sound and performance are spectacular. I can hardly wait to get it and try it in my 495 !.

http://www.youtube.com/watch?v=h56tN8zVFkM







15
KTM / Re: KTM 500
« on: March 06, 2013, 06:18:21 pm »
Crabman,

Where could I get a seat cover like yours?

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