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Old 06-14-2012, 02:58 PM   #181
PSchrauber
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My experience of Bul's is more towards the 70's I have to admit but when I look at the engine case of the bike I see that there are mounts for the chain tubes.

Maybe these early inhouse secondary chain models where not so good, but they do work very good when installed right. Expecially when you "only" could use chains without o-rings back in the days. When even MZ used them on their enduros they can't be bad as MZ whon most of the ISDT when the company was still in business:

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Old 06-14-2012, 02:58 PM   #182
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Yeah, but she is degrading rapidly from the UV and is a bit faded and brittle...

Well, actually, I'm going "fenderless" now, as I'm still seeking the right compound.


Quote:
Originally Posted by blaine.hale View Post
so what you're saying is your current wife is plastic.

I'll take 3.
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Old 06-14-2012, 03:22 PM   #183
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Chain "rubbers" actually. On Montesa Cotas you actually had chain tubes, plastic tubes that the chain traveled through. They are the same idea as the chain rubbers, as found on the standard Bultaco M26 through the M107 and beyond. All of the really competitive ISDT bikes (well, except BMW...) had them in the late 60's early 70's. Look at old JAWA's, MZ's, and the like. They do keep the elements out of your chain, leading to less wear/longer chain life.
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Old 06-14-2012, 03:31 PM   #184
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Ohhh, yeah. I know about the enclosed chain system. I won't getting one complete for a while. The cast part that goes over the rear hub is hard to track and expensive.
I just need an actual chain, at this point, to get her moving.
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Old 06-15-2012, 04:47 AM   #185
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I think I have one for you in GC. I will look for it over the weekend. If I do, it is yours for the cost of shipping.

Take care.
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Old 06-15-2012, 08:09 AM   #186
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I think I have one for you in GC. I will look for it over the weekend. If I do, it is yours for the cost of shipping.

Take care.
That would be killer!

Can anyone post close up picture of the rear brake lever assembly? Mine's ghetto-rigged so I need to hunt down the parts to bring it back to stock. Specifically, all the parts that capture the cable and such. This pic is a little too far back to make out the components.

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Old 06-15-2012, 08:53 AM   #187
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I remember on my Matador after a ton of use the chain and sprokets were toast......the enclosed chain deal worked great protecting the set. Anyway, the best we could do at the time to get her back on the trail was buy a new set and ditch the rubbers and wheel enclosure. We also had to go up from 428 to 520......it was a hack job but the old Bul was in the hands of a teenager and I wasn't thinking much about having her around for ever.

Man do I wish I still had that bike!
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Old 06-15-2012, 12:50 PM   #188
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Quote:
Originally Posted by blaine.hale View Post
That would be killer!

Can anyone post close up picture of the rear brake lever assembly? Mine's ghetto-rigged so I need to hunt down the parts to bring it back to stock. Specifically, all the parts that capture the cable and such. This pic is a little too far back to make out the components.

Here as a drawing and from a newer model:

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Old 06-15-2012, 12:58 PM   #189
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Doh! That looks nothing like the MK3's setup. It runs on a cable system.
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Old 06-15-2012, 01:17 PM   #190
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Quote:
Originally Posted by blaine.hale View Post
Doh! That looks nothing like the MK3's setup. It runs on a cable system.
As mentioned, I sadly are not so well informed about the older Bul's models, the drawing is from a MK10. I practise and ride the Bul's and other forgotten "twinshock" bikes from the end 70's to the beginning 80's in classic competitions. My focus might be to far away here.
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Old 06-18-2012, 06:48 AM   #191
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Since I was having so much trouble getting a reading from my multi meter to set the timing on the points, I ordered this awesome morris magneto timing tool:


In addition to that, I grabbed a new coil and some other tid bits.

Still need some preston petty (or the aluminum ones) fenders in black, a tail light, tires and a blasted chain!
I'm definitely going to build my own wiring loom for it. Its like 6 wires total. I just need to order the correct colors and casing and have at it.

Tires I'm going with, since I had trouble finding a decent 3.00x21 trials tire at a decent price. The ratings on these were really great and the price is awesome...I'm used to $100 a tire on the blasted r90.
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blaine.hale screwed with this post 06-18-2012 at 07:04 AM
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Old 06-18-2012, 10:18 AM   #192
PSchrauber
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Quote:
Originally Posted by blaine.hale View Post
Since I was having so much trouble getting a reading from my multi meter to set the timing on the points, I ordered this awesome morris magneto timing tool:


In addition to that, I grabbed a new coil and some other tid bits.

Still need some preston petty (or the aluminum ones) fenders in black, a tail light, tires and a blasted chain!
I'm definitely going to build my own wiring loom for it. Its like 6 wires total. I just need to order the correct colors and casing and have at it.

Tires I'm going with, since I had trouble finding a decent 3.00x21 trials tire at a decent price. The ratings on these were really great and the price is awesome...I'm used to $100 a tire on the blasted r90.

No information about tire prices in the US, but the ignition timing tool is very good to have, have one too, (from Motoplat) works really nice, it's a beeper isn't it?
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Old 06-18-2012, 10:22 AM   #193
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Quote:
Originally Posted by PSchrauber View Post
No information about tire prices in the US, but the ignition timing tool is very good to have, have one too, (from Motoplat) works really nice, it's a beeper isn't it?
This one, in particular lights up and I think beeps...but not a continuous annoying beep. I saw it in action on some old triumphs and the guy explained why I wasn't getting a reading on the multimeter but would with this, so naturally, I had to have it.
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Old 06-22-2012, 12:18 PM   #194
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News!
New coil, weather proof spark plug cap and magneto tool are in.
The morris magneto timing tool works PERFECT. Finally, something that works for telling me when my contact points are open and closed, because that femsa system is balls hard to visibly see and a multimeter wouldn't read.

Tires are on their way. This bugger will be on the road and dirt soon.
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Old 06-25-2012, 07:32 AM   #195
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Any of your guys with Matadors know what number AMAL originally came on them? (The concentric one.)
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