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Go Back   FZ1OA Message Board > FZ1 & Fazer Owners Association > Tires, Brakes, Suspension & Steering > Gen 2 Tires, Brakes, Suspension & Steering

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Old 08-11-2019, 06:41 AM   #1
Big_Dave
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What weight is this spring?

I recently acquired an 04-06 r1 shock with a Racetech spring on it.

I've been told that it's for a 240lb rider and was also told 160lb rider. Can anyone confirm what weight this is for?

Last edited by Big_Dave; 08-11-2019 at 12:28 PM.
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Old 08-11-2019, 07:58 AM   #2
iluvmyfz1
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Guess this isn't for a stock Gen II? This is what I found with quick search on the RT site. May want to dig around a bit on there for exact match.
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Old 08-11-2019, 08:19 AM   #3
Satan666
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Quote:
Originally Posted by Big_Dave View Post
I recently acquired an 04-06 r1 shock with a Racetech spring on it.

I've been told that it's for a 240lb rider and was also told 160lb rider. Can anyone confirm what weight this is for?

9.8 Kg equates to ~549 (RaceTech Spec) lbs/in. Good for 240#.
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Last edited by Satan666; 08-11-2019 at 08:44 AM.
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Old 08-11-2019, 10:52 AM   #4
MichaelFZ1
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Quote:
Originally Posted by Satan666 View Post
9.8 Kg equates to ~549 (RaceTech Spec) lbs/in. Good for 240#.
So the last 2(or 3?)numbers in the part number is the spring rate? Good to know.
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Old 08-11-2019, 12:19 PM   #5
Big_Dave
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Quote:
Originally Posted by Satan666 View Post
9.8 Kg equates to ~549 (RaceTech Spec) lbs/in. Good for 240#.
Satan, thank you so much, it's what I was told by previous owner.
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Old 08-11-2019, 12:43 PM   #6
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And to add to all the confusion a lot of suspension gurus are now running stiffer springs with a lot less preload ( 12mm vs 20mm ) to get a better ride with the proper sag set up, I did this with my Ducati track bike after talking to Dan Kyle Racing with great success.
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Old 08-11-2019, 12:49 PM   #7
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I have a BMW shock with a 600lb spring and around 10 or 11mm preload, I weight with gear about 230lbs sag is 33mm with me on it.
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Old 08-11-2019, 12:51 PM   #8
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I should add the BMW shock is on my FZ1 have Ohlins on the Duck
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Old 08-13-2019, 11:05 AM   #9
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[quote]
What weight is this spring?/QUOTE]

Probably about 2 lbs. same as a Henway.
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