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ducatipaso.org • View topic - Which Tires Fit?
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 Post subject: Which Tires Fit?
PostPosted: Sun Nov 22, 2009 11:20 pm 
I researched topics on tires for my recently-acquired 750 Paso and the results were sort of vague. Does anyone have a recommendation about new front/rear tires available in the US that will fit? It seems the rear is the biggest problem, and it looks to me like a matched set (mfg/tire number) for front/rear is out of the question. I realize tire selection is an issue, but there must be something that works...
Thanks..


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 Post subject: Re: Which Tires Fit?
PostPosted: Mon Nov 23, 2009 12:53 am 
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paso grand pooh-bah
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Joined: Tue Jul 29, 2008 9:50 pm
Posts: 3259
Location: Hilltown,Pennsylvania
model: 906 Paso
year: 1990
Most frequently substituted. I have not tried any of them. I am looking into converting my 16 inch wheels to 17 as a permanent solution


Avon Cobra AV72 (rear) 180/60R16 74H
Avon Azaro Sport Touring AV45-ST (front) 130/70ZR16


Conti Sport Attack-Hypersport 130/70 x 16 Front Tire
Conti Motion-Sport Touring Radial 180/60 x 16 Rear Tire

As a substitute for Michelin
Fr. A59X 130/60Zr16
Rear M59X 160/60Zr16

Many are working a a good solution

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Ducati,making mechanics out of riders since 1946
There's no problem so bad that a little fixing can't make it worse! : )
If it ain't broke keep fixin it till it is
88 750
90 906
92 907ie


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 Post subject: Re: Which Tires Fit?
PostPosted: Mon Nov 23, 2009 4:42 am 
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Joined: Fri Nov 13, 2009 4:33 pm
Posts: 317
Location: San Francisco Bay, California USA
model: 750 Paso
year: 1987
Ha, ha Charlie! Welcome to the developing story. The tires listed in the preceding posts may presents challenges in fitment, so move forward with caution or conduct more research. But, if you've got any miles left in those present tires of yours, we should meet. I'm in SF Bay area and would like to meet you at North Beach Trieste or Mario's for an espresso or beer and chat about our pasos. i'll tell you what i know about tires. just got my '87 paso recently as well. best, randy. Two Pasos in North Beach would be an excellent photo op. Maybe in front of Linguria Bakery with Focaccia! Best, Randy.


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 Post subject: Re: Which Tires Fit?
PostPosted: Mon Nov 23, 2009 5:00 am 
Thanks, guys. Randy, I'll get in touch when I fix the voltage regulator, which is apparently out as well.


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 Post subject: Re: Which Tires Fit?
PostPosted: Mon Nov 23, 2009 6:56 am 
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Joined: Sat Nov 29, 2008 6:30 pm
Posts: 240
Location: Hwy 1 - Tomales, CA - 94971
model: 750 Paso
year: 1987
Hey Charlie and Randy - If you both would read my post in events:
viewtopic.php?f=5&t=3744&p=28785#p28785
Then we can get three Pasos in a photo in front of Cafe Trieste



Mind you I'll have a slinky legged Lady ready to pose on my Paso :thumbup:

Charlie - If your in need of parts let me know.

Easy - Ethan

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 Post subject: Re: Which Tires Fit?
PostPosted: Tue Nov 24, 2009 12:47 am 
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Joined: Fri Nov 13, 2009 4:33 pm
Posts: 317
Location: San Francisco Bay, California USA
model: 750 Paso
year: 1987
Hey Ethan, As soon as I'm back in town from Thankgiving holiday, let's meet up. who knows, we may even get along. A ride in west Marin is certainly in order for me and my Paso. Had a great blast on Redwood road/ East Bay today- beautiful weather! What tires you got on your beast? Best, Randy.


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 Post subject: Re: Which Tires Fit?
PostPosted: Tue Nov 24, 2009 2:05 am 
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paso grand pooh-bah
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Joined: Sat Sep 03, 2005 12:00 am
Posts: 1323
Location: SF Bay Area
model: 750 Sport
year: 1990
Keep me posted, and I'll meet up with you also. Not on a Paso, but a 750 Sport.

Cheers, Phil

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1990 750 Sport x2-Rosso Blanko (900ss copy) & Nuovo Nudo (Scrambler project)
1991 907 -mostly stock
2002 ST4s - Lots of mods.


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 Post subject: Re: Which Tires Fit?
PostPosted: Tue Nov 24, 2009 5:22 am 
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Joined: Sat Nov 29, 2008 6:30 pm
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Location: Hwy 1 - Tomales, CA - 94971
model: 750 Paso
year: 1987
Sounds good Phil and Randy

Hey Charlie, I sent you an e-mail with a parts contact here in California.

As for my tire strife. Well lets see . . .
I found an original Michelin 160/60 16 rear for $120 about 6 months ago and, despite
my tender care, is wearing faster than I care to realize - Denial is more like it! I'm currently
using a cheapo Maxxis 130/70 16 front - looks a bit "chopper" and I had to raise the front
fender 1/2 inch. I paid $20 for it on ebay. Strangely and quite unexpectedly it rides and
corners great. It's never behaved badly, unlike that slippery Michelin on the back!

I just picked up a flawless swingarm, due to the stripped bolt holes for the sprocket side cap
that holds the eccentric and axle in place, and plan to swap them and then proceed to modify
the front and rear ends to accommodate 17' Katana wheels - They look nice and its been done
right here at ducatipaso.org

Meanwhile . . . I'm about to go through the process of adapting a newer style clutch slave piston
to my 750 - we'll see . . . Any pointers anybody?

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 Post subject: Re: Which Tires Fit?
PostPosted: Tue Nov 24, 2009 6:09 pm 
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paso grand pooh-bah
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Joined: Sat Sep 03, 2005 12:00 am
Posts: 1323
Location: SF Bay Area
model: 750 Sport
year: 1990
Ethan,
I gotta ask why you want to change the clutch slave on your 750? Mine works great, and never given me any trouble, except when I try to bleed a dry system. I have some spare covers if you are in need of parts. Of course they come at a price, but a lot cheaper than what you are proposing.

Let me first make sure I understand your proposal. You want to put on a clutch slave from a newer motor on the left hand side of the engine?

I am trying to imagine what work it would take to put a newer slave cylinder on the older motor. First of course is mounting the new slave, which there is no accommodation in the older motor for it. You need to machine the cases smooth for the mounting and get the right location for the mounting screws. Second is getting the bore in the shaft machined smooth to accept the push rod. I doubt that the old shaft is smooth enough to allow an o-ring to live very long. The push rod needs to be shortened as the 5 speed motor is narrower than the 6 speed. Then there is the entire clutch mechanism that needs to be changed to the newer style, as the they work basically opposite in their action. I'm assuming that the clutch bits will fit on the shafts the same way, but I can't say for sure. Man, that's a pile of work. Even at e-bay prices, you are going to spend $500 in parts, or up to $1,000. You might you be better off getting a newer motor like a 900 and dropping it in? I know its easy on the Sport, I don't know if it will work with a Paso.

But then again, maybe I mistook your intentions. If you take a newer clutch slave and install it on the existing cover on the right hand side, you have a lot less work. You can pick up stock slaves for cheap on e-bay (<$20) there is a size issue, but it may work. All Ducati clutch covers have the same bolt pattern, so there are many to choose from. The other trick to figure out is how to get the piston pressure onto the release plate. All very solvable problems, with some ingenuity and a good machinist.

Cheers,

_________________
Duc in the Bay
1990 750 Sport x2-Rosso Blanko (900ss copy) & Nuovo Nudo (Scrambler project)
1991 907 -mostly stock
2002 ST4s - Lots of mods.


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 Post subject: Re: Which Tires Fit?
PostPosted: Wed Nov 25, 2009 10:51 pm 
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paso grand pooh-bah
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Joined: Tue Jul 29, 2008 9:50 pm
Posts: 3259
Location: Hilltown,Pennsylvania
model: 906 Paso
year: 1990
Guys there is no pushrod in either of my 906 clutches. the whole assembly is in the cover to cover clutch on the right hand side of the engine, or have I missed something in this conversation?

_________________
Ducati,making mechanics out of riders since 1946
There's no problem so bad that a little fixing can't make it worse! : )
If it ain't broke keep fixin it till it is
88 750
90 906
92 907ie


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 Post subject: Re: Which Tires Fit?
PostPosted: Thu Nov 26, 2009 12:11 am 
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paso grand pooh-bah
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Joined: Sat Sep 03, 2005 12:00 am
Posts: 1323
Location: SF Bay Area
model: 750 Sport
year: 1990
Higgy, you are right. There is no pushrod, and that is the point I was making in the difficulty of adding a newer clutch slave to the older engine. Ethan's idea is to use a clutch slave from a newer version of the Ducati motor on the older version.
This is what he originally posted
". I'm about to go through the process of adapting a newer style clutch slave piston
to my 750 - we'll see . . . Any pointers anybody?"

Now I just assumed that he wanted to use the entire clutch slave cylinder assembly, but now I see he may be only talking about the piston.

If you try to put the newer clutch slave cylinder on the LEFT side of the older engine, like it is on the newer engine, there will a lot of modifications needed. One of which will be the push rod.

If you try to put a newer clutch slave cylinder on the RIGHT hand side of the older engine, then the biggest challenge is getting the force from the piston to the pressure plate. You need to make something new that takes the place of the pushrod.

Cheers,

_________________
Duc in the Bay
1990 750 Sport x2-Rosso Blanko (900ss copy) & Nuovo Nudo (Scrambler project)
1991 907 -mostly stock
2002 ST4s - Lots of mods.


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 Post subject: Re: Which Tires Fit?
PostPosted: Thu Nov 26, 2009 3:00 am 
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Joined: Sat Nov 29, 2008 6:30 pm
Posts: 240
Location: Hwy 1 - Tomales, CA - 94971
model: 750 Paso
year: 1987

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 Post subject: Re: Which Tires Fit?
PostPosted: Thu Nov 26, 2009 6:43 am 
Hello to you all,

I don't know if it is on this forum, but last weak i read a thread of a person whos did both sprocket conversion in his paso or 906. This wat included whit pictures. He can fit now an 180/60 r16 tyre. Hey was aligning it with a laser he brough from is work.

He dit also an mod on the rear sprocket, it was an exellent solution.

But in cant find it anymore.


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 Post subject: Re: Which Tires Fit?
PostPosted: Thu Nov 26, 2009 7:26 am 
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Joined: Mon Mar 30, 2009 7:59 pm
Posts: 269
Location: Australia
model: 906 Paso
year: 1989
Here is a link to what you are after.
viewtopic.php?f=2&t=3191


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 Post subject: Re: Which Tires Fit?
PostPosted: Thu Nov 26, 2009 7:47 am 
Many thanks Ken!!!


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