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trevor saxe-coburg-gotha |
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trevor saxe-coburg-gotha World Chat Champion
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leolion |
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leolion Scooby Slapper
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Fisty |
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Fisty Super Spammer
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Robby |
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Robby Dirty Old Man
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ThatDippyTwat |
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ThatDippyTwat World Chat Champion
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Bhud |
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Bhud World Chat Champion
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Howling Terror |
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Howling Terror Super Spammer
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Ice Burger |
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Ice Burger Nova Slayer
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MarJay |
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MarJay But it's British!
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trevor saxe-coburg-gotha |
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trevor saxe-coburg-gotha World Chat Champion
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chickenstrip |
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chickenstrip Super Spammer
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Posted: 19:41 - 06 May 2019 Post subject: |
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The forks on my bike have been treated by K-Tech, but I've no idea what has actually been done to them. The caps fitted apparently give the game away that K-Tech have been at them, they were advertised for sale on eBay as such, and a mate who has ridden many of these bikes with the R1 fork mod reckons they're better than most he has tried.
They are superb, without me having to have twiddled with anything. What I notice most is how they cope with high and low frequency road imperfections. I don't notice any dive on the forks under hard braking either, meaning the bike keeps its composure when being pushed hard into corners.
These modified R1 forks and the R6 rear shock have turned it into a completely different bike - I have never had anything that handled so well, despite it being a sizeable and somewhat dated sport tourer. Definitely the best thing I have ever done to modify a bike.
So what I know about suspension is that manufacturers often sell us short considering what is achievable. I'd go so far as to say it is a safety issue, especially if you do like to wind on the throttle a tad, and many bikes have more than enough performance to tie the standard fare in knots given an enthusiastic rider.
I am pretty clueless about setting up suspension for myself, but lucky that I haven't had to with this bike. I've read various articles on the subject over the years, but none of it seems to stick with me ____________________ Chickenystripgeezer's Biking Life (Latest update 19/10/18) Belgium, France, Italy, Austria tour 2016 Picos de Europa, Pyrenees and French Alps tour 2017 Scotland Trip 1, now with BONUS FEATURE edit, 5/10/19, on page 2 Scotland Trip 2 Luxembourg, Black Forest, Switzerland, Vosges Trip 2017
THERE'S MILLIONS OF CHICKENSTRIPS OUT THERE! |
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Enduro Numpty |
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Enduro Numpty Could Be A Chat Bot
Joined: 31 Oct 2012 Karma :
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ThatDippyTwat |
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ThatDippyTwat World Chat Champion
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Pigeon |
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Pigeon World Chat Champion
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Posted: 21:16 - 06 May 2019 Post subject: |
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Balance is key. At every point.
Both in terms of geometry (can be effected by preload settings as well as fork/shock height adjustments), stiffness and damping.
Always judge changes after a bike has warmed its suspension oil and parts up. Give it 10 miles / 15 minutes.
Set the sag correctly, but ultimately go on feel. Use it as a starting point, not a goal in itself.
Try setting your bike to extremes on damper settings, to see how the bike feels / behaves.
In the main, I prefer an over sprung and under damped setup to an under sprung and over damped one.
Progressive springs sound good in theory (comfy early on, with stiffness at the end), but for some reason I prefer linear.
ATF (fully synthetic) comes as close to the correct feeling for me in the bikes I've used more expensive synthetic suspension fluid in and having tried 5w, 7.5w, 10w, 15w and 20w on a few bikes with different spring weights.
It's a reasonable allrounder for a bike that requires 5-10w. Not so thin its crashy, not so thick it makes turns noticeably harder. Roughly its about equivalent to 7.5w
Mineral fork oil starts off thick and thins, I won't buy it again.
Fully synthetic has a narrower operating band and feels more consistent.
Remember to undo / crack the tight things on the forks while they are on the bike and clamped by the axle. To make removal (once the forks are out the bike) easier.
Always remember to undo the top yoke pinch bolts before trying to undo the fork cap |
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grr666 |
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grr666 Super Spammer
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Posted: 22:00 - 06 May 2019 Post subject: |
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MT09 stock suspension is a bit wooly at 100+ which can produce the odd logcutter blink or two mid bend. ____________________ Currently enjoying products from Ford, Mazda and Yamaha
Ste wrote: Avatars are fine, it's signatures that need turning off. |
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Howling Terror |
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Howling Terror Super Spammer
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mentalboy |
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mentalboy World Chat Champion
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redeem ouzzer |
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redeem ouzzer World Chat Champion
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barrkel |
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barrkel World Chat Champion
Joined: 30 Jul 2012 Karma :
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Posted: 16:26 - 07 May 2019 Post subject: |
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Preload affects cornering ground clearance, most noticeable on a scooter or other bike (like a cruiser, I guess) which will grind hard parts sooner. ____________________ Bikes: S1000R, SH350; Exes: Vity 125, PS125, YBR125, ER6f, VFR800, Brutale 920, CB600F, SH300x4
Best road ever ridden: www.youtube.com/watch?v=s2MhNxUEYtQ |
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yen_powell |
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yen_powell World Chat Champion
Joined: 22 Jun 2008 Karma :
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chickenstrip |
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chickenstrip Super Spammer
Joined: 06 Dec 2013 Karma :
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Posted: 21:12 - 07 May 2019 Post subject: |
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yen_powell wrote: | When your Nitron rear shock goes bang and sprays oil all over your exhaust pipe, not only do you think you are on fire for a few seconds, but trying to ride the bike to a safe place to stop is like riding an angry pogo stick. |
Lol. I had a GSXR750 rear shock give up on me like that when committed to a high speed sweeper. Mate came past laughing his tits off. ____________________ Chickenystripgeezer's Biking Life (Latest update 19/10/18) Belgium, France, Italy, Austria tour 2016 Picos de Europa, Pyrenees and French Alps tour 2017 Scotland Trip 1, now with BONUS FEATURE edit, 5/10/19, on page 2 Scotland Trip 2 Luxembourg, Black Forest, Switzerland, Vosges Trip 2017
THERE'S MILLIONS OF CHICKENSTRIPS OUT THERE! |
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temeluchus |
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temeluchus World Chat Champion
Joined: 01 Oct 2008 Karma :
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Andy_Pagin |
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Andy_Pagin World Chat Champion
Joined: 08 Nov 2010 Karma :
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sickpup |
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sickpup Old Timer
Joined: 21 Apr 2004 Karma :
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Posted: 13:44 - 14 May 2019 Post subject: |
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Hyperpro do a deal on rear shocks and front springs for a lot of bikes for around the £500 mark. You can get interest free credit and good service on this from www.Calsport.co.uk .
Unfortunately if you want a preload adjuster this up's the price by £200 and many bikes need a preload adjuster as you can't get to the rear shock to adjust it.
If you are replacing fork seals always replace the bushes as well.
OEM seals are best but over priced, replace the bushes and pattern seals are usually fine.
Don't bother replacing just seals if the stanchions are corroded, replace the stanchions as well as the seals and bushes.
Fit fork gaitors to protect fork seals and fork legs.
It's no use paying a fortune for uprated suspension or a set up if the headraces/swingarm bearing/wheel bearing/shock bushes/tyre pressures/discs/brakes are screwed/wrong/warped/seized etc.
Last edited by sickpup on 13:08 - 15 May 2019; edited 1 time in total |
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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Posted: 15:03 - 14 May 2019 Post subject: |
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Upgrading your brakes without first upgrading your suspension is NOT a good plan.
Japanese springs are designed primarily for Japanese people. Most Japanese people do not weigh 17 stone...
Spend 5 minutes beofre each ride checking yout tyre pressures instead of hours fiddling with your suspension.
It is possible to overheat fork oil to the extent you lose almost all damping. Multigrade fork oil is available.
Even very tiny geometry/ride height changes make a huge difference to the handling. More so than twiddling knobs on the suspension. If you're running wide, try dropping the forks through the yokes a few mm instead of pissing with the preload. Vice versa if it's unduly twitchy. ____________________ “Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles. |
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Old Thread Alert!
The last post was made 4 years, 348 days ago. Instead of replying here, would creating a new thread be more useful? |
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