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Enduro Suspension Tuning & maintenance of Enduro forks, shocks, etc |
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#1
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Harsh suspension EC300 R 2012
Hi
Have been doing some enduros lately ( tight rooty technical) and have my fork and rear shock set pretty much as soft as they'll go but still bike is harsh. Had fork seals and oils done and has made no difference , I let a few of my mates ride it the other night over tight rooty terrain and they all said it's the worst to ride of the 4 bikes we were swapping between. They were all on KTM and one other Gasser. I have a big enduro coming up soon and need this sorted or going to get rid! Any ideas on what to try / where to go next??? |
#2
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#3
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By the way I have not much idea about setting the clickers but my compression on forks and shock are out as soft as can go but haven't really messed with rebound , advice would be appreciated
As to what sort of rebound for bumpy tree roots technical Have just ordered lighter spring and fork springs to try. |
#4
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dont go soft on the springs to try and fix your problem, they are not the problem. the springs hold you and the bike up in the stroke,so choose the right ones for your weight. bigger springs are not harsher,in fact the opposite. a stronger (dont call them stiffer because they are not) spring with very little preload on it will give you a great plush ride,and you will be able to use all the suspension travel that your bike came with. a weaker spring collapses under your weight so you are half way through the travel as soon as you get on the bike. not good! winding up the preload on the front and or the rear to get proper sag settings just makes a soft spring harsh and choppy. i'm 195 lbs before being geared up,and i run .46 fork springs,and a .56 on the rear of my 11 ec300. my bike is smooth and plush, and never beats me up in the rocks. as others have said, and i agree, get a revalve,at least on the forks for your skill level and the type of terrain you ride.
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#5
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my board, your rebound and compression settings work together with everything else in your suspension, compression clickers restrict the flow of oil passing through the system as you crank them firmer, the rebound setting controls how fast the spring is allowed to explode it's energy outwards in length after being compressed when you hit an obstacle. learning about your suspension and how it works will be one of the biggest single improvements, you will ever do to your riding enjoyment on any bike!
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#6
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This is excellent advice from CactusReid. Pay attention to it. Proper springs for your weight will keep your bike's suspension up in the softer damping of your suspension's valving stack (which gets stiffer as it goes lower). Other than that; for tight choppy, rooted, rocky woods trails (not huge landings off big air jumps or extremely fast speeds), you will want your rebound just tight enough to keep the bike from bouncing repeatedly as you ride. (You want it to take an impact, and then resume it's proper attitude without bouncing your posterior back up into the air.) Your compression damping needs to be soft enough to let your wheels do the reaction and keep it from transferring that action to the chassis (and kicking you side to side). Without a revalve, one thing you can try with the forks is to replace the fork oil with 2.5w or 3w rear shock fluid. This will allow you to have softer action with your current fork valving. Keep in mind two things: 1. Nothing beats a good custom revalve done for you and your riding conditions by a competent tuner who is familiar with your suspension components and bike. 2. The above advice is meant for tight woods rough rocky rooted trails. (especially the rocky part). Good Riding and Wrenching to You! Jim .
__________________
Jim Cook Smackover Racing Team LAGNAF '11 Gas Gas EC250 (primary ride) '06 Gas Gas DE300 2004 Gas Gas TXT300 Pro '94 Husaberg FE350 '86 Yamaha IT200 '86 Honda TRL200 Reflex '04 KTM 525EXC (soon to be dual sported) Several others, including project bikes, Deb's bike, and a fleet of grandkids' bikes Let's go riding! http://www.jebruns.com/Wudi19/wudi19.html http://www.ahrma.org/schedules-results/cross-country/ |
#7
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Rebound adjustment can be counter intuitive at times. Some, when getting a bouncy or pogo effect, assume that the bike does not have enough rebound damping and that the forks or shock are rebounding to quickly causing the "bouncing". This can actually be caused by packing, where the fork/shock is still in the middle of the stroke when it takes the next hit, causing it to bounce/deflect/feel harsh. The suspension needs to return to the top of the stroke quickly enough for it absorb the next impact. So, often backing out the rebound damping can help a great deal. |
#8
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If you have a damping issue with compression, a lighter oil will flow better and make it sofer, but it will also effect the rebound in the same manner. ie flow better, and things move quicker/less rebound damping. The 48mm CC Zokes lack rebound control to start with. |
#9
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Thanks for advise
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#10
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Thanks Guys
Still confused if not more now , i have ordered lighter springs but only ones to suit my weight surely this wont make it worse!
Also some people are saying more some less rebound??????? to slow my forks coming up and cause less of a bounce do i screw my rebound in or out / add more or less i am presuming you screw it in thus causing more restriction and therefor a slower return? Help my heads going to explode!!!! (i would sens it to a specialist but on the island where i live i would have to travel and have already spent alot this year on other bits ) Thanks again |
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