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 Post subject: M1R Fork rebuilds
PostPosted: Sat Dec 17, 2016 7:38 am 
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Joined: Sun Oct 30, 2016 9:05 pm
Posts: 37
Location: UK
model: 907 I.E.
year: 1993
Can anyone recommend a specialist to strip, hard chrome and rebuild my 907 forks in the UK? I got the bike recently which had been in storage with heavily rusted stanchions. I tried riding it but both fork seals were destroyed within a couple of miles, unsurprisingly.

Many thanks.

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RB

1980 LAVERDA JOTA
1982 HESKETH V1000
1985 LAVERDA SFC 1000
1993 DUCATI 907IE for riding
1993 DUCATI 907IE for fixing
1995 TRIUMPH DAYTONA SUPER III


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 Post subject: Re: M1R Fork rebuilds
PostPosted: Sat Dec 17, 2016 10:26 am 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5084
Location: southern Germany
model: 750 Paso
year: 1987
While I have no experience with any suspension shop specially not in the UK, there`s for example http://www.pittedforks.co.uk


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 Post subject: Re: M1R Fork rebuilds
PostPosted: Tue Dec 20, 2016 7:17 am 
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Joined: Sun Oct 30, 2016 9:05 pm
Posts: 37
Location: UK
model: 907 I.E.
year: 1993
paso750 wrote:
While I have no experience with any suspension shop specially not in the UK, there`s for example http://www.pittedforks.co.uk


Thanks for this. Alternatively, new stanchions are available for the 906 but I don't know if they are the same as the 907 stanchions ?

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RB

1980 LAVERDA JOTA
1982 HESKETH V1000
1985 LAVERDA SFC 1000
1993 DUCATI 907IE for riding
1993 DUCATI 907IE for fixing
1995 TRIUMPH DAYTONA SUPER III


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 Post subject: Re: M1R Fork rebuilds
PostPosted: Tue Dec 20, 2016 7:44 am 
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paso grand pooh-bah
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Joined: Wed Apr 09, 2008 9:57 pm
Posts: 1013
Location: Manchester, England.
model: 907 I.E.
year: 1992
These guys are the go to blokes for Paso forks they can also adapt and alter the internals for you, they were back in the day quite reasonably priced too although I used them for something non Paso related.

http://www.maxtonsuspension.co.uk/

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 Post subject: Re: M1R Fork rebuild
PostPosted: Tue Dec 20, 2016 11:54 am 
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Joined: Fri Jul 24, 2015 11:21 am
Posts: 131
Location: Belgium
model: 750 Paso
year: 1989
I would always prefer re-chroming over a set of (mostly non originals) new stanchion tubes.
Quality and dimension wise it's a better choise and also price wise (count on approximately £160-£200 incl. aligning for a set of tubes).
There are a lot of replica's but regularly they have deviant length, inner dimensions, lack of wholes etc.

Have done it a few times ..... 9 out of 10 times it's better than new (although the original Marzocchi M1R chrome is also very good).

Good luck!

Frank

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 Post subject: Re: M1R Fork rebuilds
PostPosted: Tue Dec 20, 2016 12:18 pm 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5084
Location: southern Germany
model: 750 Paso
year: 1987
Quote:
Alternatively, new stanchions are available for the 906 but I don't know if they are the same as the 907 stanchions ?

the answer would be no but they may still work assuming the inner dimensions of the fork legs are the same which they probably are. The internal parts of the 906 & 907ie forks have identical part numbers.
I couldn`t find any info about the length of the right stanchion tubes but the left one of the 907ie is 640mm, the one of the 906 is 630mm (and the one of the P750 is 580mm). So if you lower the fork in the triple trees a little it should work. Of course being a centimetre shorter you`d also need shorter fork springs.


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 Post subject: Re: M1R Fork rebuilds
PostPosted: Thu Dec 29, 2016 4:38 am 
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paso grand pooh-bah
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Posts: 1305
Location: SF Bay Area
model: 750 Sport
year: 1990
paso750 wrote:
While I have no experience with any suspension shop specially not in the UK, there`s for example http://www.pittedforks.co.uk

Nice to see someone is doing this. I searched a few years back, and could find nobody in the States that would do it. Ended up finding new legs, which weren't cheap.
Let us know what he quotes you for a set of legs. I might pay the post from California to have them done.

Cheers, Phil

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1990 750 Sport x2-Rosso Blanko (900ss copy) & Nuovo Nudo (Scrambler project)
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 Post subject: Re: M1R Fork rebuilds
PostPosted: Thu Dec 29, 2016 6:43 pm 
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Joined: Sun Oct 30, 2016 9:05 pm
Posts: 37
Location: UK
model: 907 I.E.
year: 1993
ducinthebay wrote:
paso750 wrote:
While I have no experience with any suspension shop specially not in the UK, there`s for example http://www.pittedforks.co.uk

Nice to see someone is doing this. I searched a few years back, and could find nobody in the States that would do it. Ended up finding new legs, which weren't cheap.
Let us know what he quotes you for a set of legs. I might pay the post from California to have them done.

Cheers, Phil


The company I am using is called DYNASURF in the U.K. They arrange collection and return. Price to check straightness, straighten if necessary, grind and hard chrome is GBP135 for the pair plus VAT. They are a large company who specialise in industrial / heavy plant hydraulic cylinders, oil & gas, aerospace etc. Motorcycle fork stanchions are a sideline. Surface hardness is important but so is surface finish. Too highly polished means the seals will run dry and be destroyed very quickly. Too rough is good for oil retention and lubricating the seals but won't please the MOT tester....

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RB

1980 LAVERDA JOTA
1982 HESKETH V1000
1985 LAVERDA SFC 1000
1993 DUCATI 907IE for riding
1993 DUCATI 907IE for fixing
1995 TRIUMPH DAYTONA SUPER III


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 Post subject: Re: M1R Fork rebuilds
PostPosted: Thu Dec 29, 2016 7:15 pm 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5084
Location: southern Germany
model: 750 Paso
year: 1987
http://www.dynasurf.co.uk/


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 Post subject: Re: M1R Fork rebuilds
PostPosted: Thu Dec 29, 2016 7:49 pm 
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Joined: Fri Jul 24, 2015 11:21 am
Posts: 131
Location: Belgium
model: 750 Paso
year: 1989
It's Ohio but they do rechroming motorcycle stanchions, $240 a pair....

http://www.unitedsurfacefinishing.com/home

Frank

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Bimota SB4-S - 1984
Ducati Paso 750 - 1989
Suzuki SV1000S - 2008
Ducati Monster 796 abs - 2010


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 Post subject: Re: M1R Fork rebuilds
PostPosted: Sun Jan 08, 2017 6:49 pm 
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Joined: Fri Mar 11, 2016 9:16 am
Posts: 4
Location: UK
model: 750 Paso
year: 1989
HI RB. Have you had the forks back yet? If so, how would you rate the work that was done? I have two sets I need re-chroming. Cheers

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 Post subject: Re: M1R Fork rebuilds
PostPosted: Sun Jan 08, 2017 9:52 pm 
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Joined: Sun Oct 30, 2016 9:05 pm
Posts: 37
Location: UK
model: 907 I.E.
year: 1993
Forks not back yet but should be by the middle of the week. I will let you know and post photos, if I can figure out how too... Not had much luck with photbucket....

Bought the new fork seals from the BMW people "Motor Works" - £27.70 for the set with postage.

Got the new timing belts and will try the guitar tuning app on my Windows phone for tensioning. Apparently I need 100 to 110 Hz which is Piano key No.24, or halftone between A2 and G2 :-)

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RB

1980 LAVERDA JOTA
1982 HESKETH V1000
1985 LAVERDA SFC 1000
1993 DUCATI 907IE for riding
1993 DUCATI 907IE for fixing
1995 TRIUMPH DAYTONA SUPER III


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