Fork Oil - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 16 Old 07-08-2013, 01:44 PM Thread Starter
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Fork Oil

My fork on 06 Wee is leaking and has been for several months. How extensive is the job to replace the seals and oil? Also, I heard auto trans fluid can be used for fluid(?) Has anyone used this? Also, can I wait until off-season to replace seals/fluid without damaging anything? The other side seems okay. Thanks.

Jeff
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post #2 of 16 Old 07-08-2013, 01:49 PM
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Quote:
Originally Posted by jeff_connors View Post
My fork on 06 Wee is leaking and has been for several months. How extensive is the job to replace the seals and oil? Also, I heard auto trans fluid can be used for fluid(?) Has anyone used this? Also, can I wait until off-season to replace seals/fluid without damaging anything? The other side seems okay. Thanks.
It's not a hard job to fix it right. There are threads here about what needs to be done. As to oil, any oil will work, but you really ought to use fork oil.

-Tom (DL650AL2) (KA1TOX) (E-I-E-I-O)

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post #3 of 16 Old 07-08-2013, 02:05 PM
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Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
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post #4 of 16 Old 07-08-2013, 02:14 PM
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Fork Oil

Quote:
Originally Posted by tmcgee View Post
It's not a hard job to fix it right. There are threads here about what needs to be done. As to oil, any oil will work, but you really ought to use fork oil.
I had wifey pick up 2 qts of proper fork oil (Spectro 15 wt fork oil; for my riding weight) from my Dealer.

Last edited by kiwi_outdoors; 07-08-2013 at 02:51 PM.
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post #5 of 16 Old 07-08-2013, 06:47 PM
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Jeff, ATF will work. The newer low viscosity ATFs like Dexron-VI will give slightly less damping. 10 wt fork oil is standard.

While you have the fork apart, take a look at the two bushings in each fork leg. If they're worn down to the brass backing, renew them as well. Easy job, especially if you have access to an impact wrench for spinning off the bolt that holds the damper rod.

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post #6 of 16 Old 07-08-2013, 10:20 PM
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Also, I heard auto trans fluid can be used for fluid(?) Has anyone used this?
After much research, and considering the viscosity I wanted for my choice of springs and Racetech valve emulator settings, I went with Mobil 1 Synthetic ATF. Cheap, find it anywhere, and has viscosity stability better than all but the best fork oils. Works great!
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post #7 of 16 Old 07-08-2013, 11:47 PM
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I have been using atf for about 40 years with no problems. Doesn't work real good in a dirt bike with a lot of heavy use because it foams but for street use and light off road use it is fine.
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post #8 of 16 Old 09-24-2013, 10:46 PM
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There's nothing wrong with ATF for most street going bikes that don't see track or offroad use, but for my money I'll spend the extra $8. You only have to change it once every few years anyways! There are some things that make sense to cheap out on, but fork oil I will never understand.

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post #9 of 16 Old 09-25-2013, 04:25 AM
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There's nothing wrong with ATF for most street going bikes that don't see track or offroad use, but for my money I'll spend the extra $8. You only have to change it once every few years anyways! There are some things that make sense to cheap out on, but fork oil I will never understand.
Where ATF is a close match to the fork oil needed it's a great choice. And for the stock DL shocks, it is.
It's viscosity is way more stable with temperature, it doesn't break down nearly as fast - and if you buy Dextron-III from any manufacturer it's viscosity is within a few % of everyone elses.

With 'real' fork oils 10W from one manufacturer can be vastly different to the viscosity from another.

Oh. yeah, it's a lot cheaper and easier to buy.

Pete
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post #10 of 16 Old 09-25-2013, 08:29 AM Thread Starter
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Where ATF is a close match to the fork oil needed it's a great choice. And for the stock DL shocks, it is.
It's viscosity is way more stable with temperature, it doesn't break down nearly as fast - and if you buy Dextron-III from any manufacturer it's viscosity is within a few % of everyone elses.

With 'real' fork oils 10W from one manufacturer can be vastly different to the viscosity from another.

Oh. yeah, it's a lot cheaper and easier to buy.

Pete
"easier to buy" Right! Just ask the auto parts guy for fork oil. He looks like a cow looking at a new gate.

Anyone recommend where to buy fork seals?

Jeff
'04 Honda Rebel
'04 Kaw Vulcan 800 Classic
'00 Kaw W650 (sold)
'06 Wee Strom
'95 Nighthawk 750 (sold)
'92 Nighthawk 750
'05 Yamaha FZ6
'02 Nighthawk 250 (sold)
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