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TOPIC: Fork oil
#233161
seminole bob (User)
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Fork oil 2 Years, 3 Months ago  
I'm getting ready to change fork oil on my 06 for the first time. I have 45,000 miles so i guess it's time. Do i need to flush the forks after draining the oil? If yes what would be good to use to flush with? Also should i go back with the 5 or 7 wt. oil. Thanks
 
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#233163
Roughrider (User)
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Re:Fork oil 2 Years, 3 Months ago  
Sir,
I also own a 2006 Roadstar. I have done my forks three times. I have 83,500 miles on her. Folling is how I have done my forks:
Friday: take the forks apart and let them drain.
Sunday: put the forks back together.
Prefer to use Red Line Fork Oil in 10 weight.
Hope this helps.

Good Luck,
Roughrider

 
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#233312
seminole bob (User)
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Re:Fork oil 2 Years, 3 Months ago  
Nice lights. Appreciate the advice. I'll jump on it as soon as i get time.
 
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#233315
Erbman02 (User)
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Re:Fork oil 2 Years, 3 Months ago  
seminole bob wrote:
I'm getting ready to change fork oil on my 06 for the first time. I have 45,000 miles so i guess it's time. Do i need to flush the forks after draining the oil? If yes what would be good to use to flush with? Also should i go back with the 5 or 7 wt. oil. Thanks

I'm getting ready to do my forks for the first time too, figure it need to get done at 106k miles. lol. And while I'm there, gonna do new head bearings, just because. Just so you know, there are no drain screws on these forks. I'm also going to use tranny fluid (equil. to 10wt), since my seals are good, not going to dismantle the forks, just dump, will use an extra qt of tranny fluid to flush and clean. A number of people have told me that if the seals are not leaking, I should be good with the route I'm taking.
 
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#233324
RoadieSL (User)
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Re:Fork oil 2 Years, 3 Months ago  
Just replaced my with only 16000 miles Just removed and drained the re filled with 10w it handles alot better it was about 3oz low also I havent seen any leaking so I don't know how it was low but I like the 10w alot better.
 
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#233402
Rayjay (User)
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Re:Fork oil 2 Years, 3 Months ago  
...there are no drain screws on these forks.

There are drain holes in the ends where the axle goes through.

You have to pull off the front wheel to access the plugs through the bottom of the forks.

See page 47 in the Service Manual.
 
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#233432
Erbman02 (User)
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Re:Fork oil 2 Years, 3 Months ago  
Rayjay wrote:
...there are no drain screws on these forks.

There are drain holes in the ends where the axle goes through.

You have to pull off the front wheel to access the plugs through the bottom of the forks.

See page 47 in the Service Manual.



That is the cartridge cylinder bolt, though some have used it for draining, these forks do not have drains. proper way is to dump the oil from the top. There's the possibility going this route to drain that when tightening, the cartridge cylinder can spin on ya, and won't tighten, then you'll have to start all again. If it were a drain, then the screw wouldn't be holding something on the inside, the screw would only be there to seal the drain.
 
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Last Edit: 2009/10/27 07:25 By Erbman02.
 
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#233479
Transam1 (User)
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Re:Fork oil 2 Years, 3 Months ago  
What is up with that crap ?
Even my old 89 Vmax had drain plugs. Erbman is right though if those are only
the damper rod bolts and you loosen them you may have a hard time tightening them back
up if they spin. Then you'll have to buy or build a tool to hold the rod while
you tighten them. The stinking engineers just won't build stuff easily serviced
by the layman. Guess thats how they plan to get you back in the stealership.
Chris

Erbman02 wrote:
Rayjay wrote:
...there are no drain screws on these forks.

There are drain holes in the ends where the axle goes through.

You have to pull off the front wheel to access the plugs through the bottom of the forks.

See page 47 in the Service Manual.



That is the cartridge cylinder bolt, though some have used it for draining, these forks do not have drains. proper way is to dump the oil from the top. There's the possibility going this route to drain that when tightening, the cartridge cylinder can spin on ya, and won't tighten, then you'll have to start all again. If it were a drain, then the screw wouldn't be holding something on the inside, the screw would only be there to seal the drain.
 
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#233487
DocShadow (Admin)
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Re:Fork oil 2 Years, 3 Months ago  
erbman is correct ... those are not drain bolts.

Doc
 
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#233730
seminole bob (User)
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Re:Fork oil 2 Years, 3 Months ago  
I had my steering head bearings replaced at 40,000 miles. Popping in the turns. Guess i will make a saturday project and get the oil changed. Will go with the 10 wt. thanks. Lots of good advice on forum.
 
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