Y10 F4 Fork Springs - MVAgusta.net
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post #1 of 33 (permalink) Old 07-13-2011, 03:43 PM Thread Starter
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Y10 F4 Fork Springs

Well, I've searched this Forum and I can't seem to find the answer I'm looking for: Has Anybody been able to find alternative weight fork springs for the Y10 F4? And if so, who's the supplier? I'm needing some quite a bit heavier than what's in there now, I dont know the stock spring rate yet either. Any ideas? And I've read about all the pre-2010
Options, (not many), but I'm thinking the Y10 internals are different.
Thanks
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post #2 of 33 (permalink) Old 07-15-2011, 12:35 AM
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How off is it? How much more does it sag with you on it than needed? It might be easier to make a spacer in that length and add it to the spring.

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post #3 of 33 (permalink) Old 07-15-2011, 08:19 AM Thread Starter
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Quote:
Originally Posted by mv2envy View Post
How off is it? How much more does it sag with you on it than needed? It might be easier to make a spacer in that length and add it to the spring.
Good idea with the Spacer, I've considered that option too.
The spring is too Soft for me for aggressive Cornering and Brakeing on the Track, it's fine for street riding.
I'm just going to pull the Springs out, have them Rated for their
Spring Rate, and then I'll just have some made, or Adapted to fit my
Forks if thats possible.
I don't want to run too much Pre-load, or have the spring compressed
A lot with a longer spacer, because I feel it's better to have most of the
Available travel in the spring at "full extension"
Dosn't that sound right?
I weigh about 210 with gear and the stock fork springs are "probably" rated for a little Italian guy (165lbs?)
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post #4 of 33 (permalink) Old 07-15-2011, 09:03 AM
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Measure sag with preload all the way in/tight. If its more than 35-40 then you need a stiffer spring. If its only 10mm more than 35, just have a 10mm spacer made and you will be golden. Having the spring compressed 20mm isnt going to do much. RaceTech couldnt respring my forks, they had not seen springs of that size before. Marzzocchi uses some weird parts in their suspension, like 28mm valves!

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post #5 of 33 (permalink) Old 07-15-2011, 09:13 AM Thread Starter
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Quote:
Originally Posted by mv2envy View Post
Measure sag with preload all the way in/tight. If its more than 35-40 then you need a stiffer spring. If its only 10mm more than 35, just have a 10mm spacer made and you will be golden. Having the spring compressed 20mm isnt going to do much. RaceTech couldnt respring my forks, they had not seen springs of that size before. Marzzocchi uses some weird parts in their suspension, like 28mm valves!
Thanks Joe! I've got some friends at Ohlins out here in South Carolina
And maybe they'll be able to come up with an alternate spring, once I hand them my Stock Springs. If they do, I'll let Everybody know about it
On this Forum. Thanks again!
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post #6 of 33 (permalink) Old 07-18-2011, 12:22 PM
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boingers?

if you want Marzocchi springs why go to Ohlins

Marzocchi USA
28476 Westinghouse Place, Valencia, CA 91355-0929
(661) 964-1100 ‎


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post #7 of 33 (permalink) Old 07-18-2011, 12:36 PM Thread Starter
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Quote:
Originally Posted by theknurl View Post
if you want Marzocchi springs why go to Ohlins

Marzocchi USA
28476 Westinghouse Place, Valencia, CA 91355-0929
(661) 964-1100 ‎

It just happens that 3 of the Tech's will be working with us this
Weekend @ the BMW rally in PA.
I really didn't think it would hurt anybody if I asked them if they
Could come-up with a custom cartridge kit and springs for my F4
Does Marzocchi have what Im looking for? Maybe.......
I'll be glad to Share my Experience with them, and thanks for the
Phone Number.
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post #8 of 33 (permalink) Old 07-18-2011, 01:39 PM Thread Starter
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ANSWER:
CannonRaceCraft
Ph# 405-524-7223
The Makers of Custom Springs!
Got a rough quote of $130-$150
For a set of FORK SPRINGS made to my
Specifacations!
Maybe Some of you Already Knew This?
Well................I didnt. so there
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post #9 of 33 (permalink) Old 07-19-2011, 10:09 PM
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What info do they need to make them to your specs? Is it just weight or is it more invloved than that?

Sounds like they are pretty reasonably priced.
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post #10 of 33 (permalink) Old 07-19-2011, 10:56 PM
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Quote:
Originally Posted by mv2envy View Post
Measure sag with preload all the way in/tight. If its more than 35-40 then you need a stiffer spring. If its only 10mm more than 35, just have a 10mm spacer made and you will be golden. Having the spring compressed 20mm isnt going to do much. RaceTech couldnt respring my forks, they had not seen springs of that size before. Marzzocchi uses some weird parts in their suspension, like 28mm valves!
You should not have more than 30mm sag on the forks on a race bike Joe, especialy on new suspension, in the old day's that would be fine but not with the new set-up in shocks. Road you can go to 35-40mm.

Quote:
Originally Posted by Mr. Master View Post
ANSWER:
CannonRaceCraft
Ph# 405-524-7223
The Makers of Custom Springs!
Got a rough quote of $130-$150
For a set of FORK SPRINGS made to my
Specifacations!
Maybe Some of you Already Knew This?
Well................I didnt. so there
Thanks for the info mate

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Own - Two F4 1000R's 06 and 07.
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