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Jim wrote:Thanks Allwalk,
As I noted in the comment section of the photos, This does answer the question about progrevvive wound springs in the front forks.
Dodger wrote:Did my forks a while ago. Measured what came out of each fork, right 392ml, left 415ml (supposed to have 489ml each). Poured the old oil into a jar and left it sit. About 1/8 inch of water in the bottom of the jar along with a lot of crud. Would recommend everyone get the fork oil changed.
allwalk wrote:Hi corvairbob.
The 650 comes shipped with 10 wt oil in the front. I was experiencing the front end bottoming out. Thats why I went to a thicker oil. It increases the dampening and made my ride smoother. I found the stock oil was great for speeds under lets say 50 mph. Over that and the front end couldnt absorb the bumps fast enough. If you go to a lighter oil I would guess that the bumps would be felt even more at higher speeds.
corvairbob wrote:well i put in 5wt fork oil and it did nothing for the ride today. looks like the heavier oil is the way to go just what wt did you install alwalk? it is not hard to replace. but i want a smoooooth ride and not one that just about throws you off the bike.
seatec wrote:But what do you weigh now
seeker wrote:OK - a word of warning. The fork oil replacement job is fairly easy, except for one step. The tricky (and dangerous) part is getting the caps back on the forks. You really need 2 people for this step. I sliced my thumb wide and deep when the cap slipped and the super sharp metal of the spacer shot up and attacked me.
Here is what to do - Put the bottom of the fork in a vise. Have an assistant hold the slider tube up and also keep it from turning (preferably with a pair of gloves on). Somehow position your body atop the fork and tighten the cap with a straight down motion to prevent cross-threading. Once you tighten to the point where the slider spins despite your assistant trying to prevent that spinning, you are done.
geoffrey wrote:The drain plug on the bottom of the shock is then unscrewed and the top cap removed (with extreme prejudice). Drain. Replace the bottom plug and flush with mineral spirits.
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