Rear suspension

J biker
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Rear suspension

Post by J biker » Mon Apr 03, 2017 1:47 pm

Ok, I'm sure this has been covered somewhere but several searches show nothing!
Can the rear be jacked up 5mm (or whatever..mm) by the dealer. Apart from the firm front suspension, which does seem a little plusher with 1200miles on, the KTM feels like it needs lifting at the back/dropping at the front a few mm. Got a running wide feel to it on corner exit. Better shape tyres may help once the Angel GTs see some more wear..in the meantime though? Bit of a disappointment in truth that sag cannot be fine tuned like the S1000r sport. Not like this is an economy model.

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Re: Rear suspension

Post by Tancakar » Mon Apr 03, 2017 3:50 pm

the whole suspension system is a big disappointment really tell me about it. But i think the dealers has a adjustment from the computer , you can ask them. But not changes a lot as far as i know.

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Re: Rear suspension

Post by J biker » Mon Apr 03, 2017 5:34 pm

In truth I think the rear is near perfect, front just a bit too firm. Should not be a big ask to lift the back or drop the front a bit so it holds a line on exit.
Anyone who has mostly smooth roads or doesnt push a bit probably thinks its great. I think the bike is superb but suspension needs to be customised a bit.
Compared to other makes though it is not unique. My Multstrada (13 base model) came with terrible dive on the front. Fixed by fitting Adriani cartidge kit, at the expense of jarring over bumps. The guys that were running Ohlins versions (pre twin spark) 1200 mts were getting the front and back re sprung as too soft! My S1000r sport rattled over bumps, but was superb on good roads. At least that could be fine tuned a bit.
I get the feeling most people would prefer top quality 'old school' suspension units with remote preload adjusters!

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Re: Rear suspension

Post by J biker » Mon Apr 03, 2017 5:41 pm

I would add to the above, out with a mate on Sunday on his new 1050 Speed Triple. Ohlins version. He couldnt keep up on bumpy roads, said he was out of the seat most of the time. Defo the bike as he is quick and can leave me on the road if he tries a bit.
Unfortunately some manufacturers dont seem to realise that suspension needs to be compliant to work on our bad roads. That doesnt mean soft to the point of wallowing or dive when braking either, its a doable compromise. Proven by a nicely set up 636 Kawasaki I had (ex track bike) supple with superb road holding.

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Re: Rear suspension

Post by DaveNZ » Mon Apr 03, 2017 11:13 pm

Suspension is always going to be a compromise guys, to get these multi purpose bikes to perform over a variety of roads, they have fitted softer springs, and are using comp, and reb as there basis for softning or firming up the suspension, we all know this isn't the optimum way to go, having a bike firstly sprung for your weight, then valved to suit, is the optimum, but this isn't going to happen on a bike designed to meet a range of weights and purposes, personally i think the suspension is fantastic, its works over a range of surfaces. this is no sports bike, its a fast tourer, but many of us will ride, and expect it to ride like a sports bike, and many will want this bike to ride like a tourer, and want soft compliment suspension. but in reality this bike is down the middle, its a great allround bike, and the suspension is aimed for this purpose, KTM have done a great job on the suspension on this bike, but there will be some sports riders that want more firmer direct ride, and there will be some tourer riders who want soft more luxury ride. If you want the rear to be higher, try rider with luggage, it ups the preload, lowering the rider sag, but you will get a firmer ride.
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Re: Rear suspension

Post by AllanP » Tue Apr 04, 2017 1:52 am

I think DaveNZ is right on the money with his description of the SD-GT as a "Fast Tourer". The suspension is clever and works quite well over a much wider variety of conditions than most hardcore sports bikes or dedicated tourers, but its not as good as the best of either of them for what they were designed for.

This is the first semi-active suspension bike I've ever ridden, it felt coarse and clunky when I first rode it, and I found myself wishing they'd fitted it with good quality conventional suspension instead. I just passed 3000miles/4800kms on a 258 mile ride today however, and now I'm not so sure. It still rattles and clunks a bit but I like to be able to change the damping characteristics on the fly and I use that feature a lot, not only to adapt to the widely differing road condition we have here in the Texas Hill Country, but also my mood. I would probably still opt for the conventional WP suspension that was fitted to my 990SD, but the SA suspension is winning me over a bit :D

I'm hoping we'll see improvements and more owner tuning options for this suspension which can retrofitted to our early bikes

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Re: Rear suspension

Post by MR C » Tue Apr 04, 2017 7:57 am

@ j biker one member did drop his forks tho the yokes by 10mm to quicken things up, I don't really have any issue, tbh changing the gearing I have shortened the wheelbase and combined with my carbon wheels my bike is on rails and changes direction like a hot knife thro butter.

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Re: Rear suspension

Post by DaveNZ » Tue Apr 04, 2017 8:40 pm

Sportier rubber will improve things, also a larger rear sprocket would shorten the wheel base slightly and raise the rear but minimal, and as you say, raising the forks through the triple clamp. But i would start with a better quicker steering front tire, maybe a Rosso III, I'm either putting on rosso III or my favoured M7RRs. But i have no trouble with the way my bike steers, its a sports tourer after all, but in sports mode, i would like a little less rear rider sag, id prefer 35-40mm. With the soft rear spring and the 45mm of sag, the bike will squat on hard execration out of corners, i found putting the bike into sport with luggage helped with less squat.
2016 1290GT-remus link and muffler, 2010 Black 1200 Multistrada full Termi system with mapping, 2005 SMR 640, full Titanium system, Mikuni flatside racing carb, 2 sets of wheels, 18 litre tank, and a nice soft seat.

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Re: Rear suspension

Post by J biker » Tue Apr 04, 2017 9:09 pm

Tried the bike with 'plus 1 case' setting tonight. Much improved, more like I would expect of a sporty bike. So better profile tyres and maybe a bit lift at the back or drop the front a few mm. Looking good. Only outstanding issue is the harsh front end. Maybe though I have been spoiled, (Multistrada, 1200gslc...) as from memory my my 06 R1 was even worse up front if I hit a bump. Anyway, it defo handles and its fooking quick. Just a bit tweaking required. :) :)

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Rear suspension

Post by MR C » Tue Apr 04, 2017 9:19 pm

It's quicker when you fit this bad boy, had to adjust the wheel to the minimum adjustment (fully forward) and chain is just on the minimum markings, I've been running 39t for 5k so probably not see a huge difference but do feel 2 on the back is a better option as per the front sprox.
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Last edited by MR C on Tue Apr 04, 2017 9:19 pm, edited 1 time in total.

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Re: Rear suspension

Post by J biker » Tue Apr 04, 2017 9:26 pm

Its quick enough for me, lots of wheelies and not always deliberate. 5th gear tonight ffs. Bloody great, exactly why I sold the GS....its not boring. ;)

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Re: Rear suspension

Post by MR C » Tue Apr 04, 2017 9:41 pm

J biker wrote:, exactly why I sold the GS....its not boring. ;)

Yeah I've done the GS in all variants and used to love the versatility, but than found them boring and fell out of love, however I did keep coming back but i would not have a WC again - EVER .

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Re: Rear suspension

Post by J biker » Tue Apr 04, 2017 9:50 pm

The Gs had to be the best bike ever to ride fast down a bumpy road. But around 50lb over weight, agricultural (which I tried to deny..) and so feking bland.

Compared to coming out of a corner on the Hartside road tonight, hard on the gas, traction control kicking in when clipping the white line and being crossed over on the back wheel on the next corner. Nope, never happened once on the GS. Not even close. :twisted:

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Re: Rear suspension

Post by DaveNZ » Tue Apr 04, 2017 10:12 pm

J biker wrote:Tried the bike with 'plus 1 case' setting tonight. Much improved, more like I would expect of a sporty bike. So better profile tyres and maybe a bit lift at the back or drop the front a few mm. Looking good. Only outstanding issue is the harsh front end. Maybe though I have been spoiled, (Multistrada, 1200gslc...) as from memory my my 06 R1 was even worse up front if I hit a bump. Anyway, it defo handles and its fooking quick. Just a bit tweaking required. :) :)
Its a little un-fear to compare the GT suspension to the Multi, I've still got my multi, with the TTX and the SCU, its amazing suspension, but its long travel suspension, designed for off road applications on occasions, but is fantastic on the road, i love it. The GT is a fast tourer, bloody fast tourer, and the suspension is a compromise. I'm wondering what a lighter weight oil in the forks would accomplish, as its the comp dampening that firms this bike up, I'm quite happy with the front end, I've tried the softest setting (touring i think) and no way would you want to push this bike in that mode, short wheel base- light weight bike on sloppy suspension is a recipe for disaster. I ride regularly with 2 guys on 1299Ss, I'm never far behind, the only thing holding me back from really pushing them is the tires, they are on super corsa's, I'm on Angel GTs, un fear really.
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Re: Rear suspension

Post by J biker » Wed Apr 05, 2017 8:05 am

Yes, I think tyres may be the next part of the process. The Angels are good but they dont compare with sporty rubber like M7rr or Sportsmarts. Pirellis that were on my S1r, amazing, so was the wear rate! Hate to think how quick the rear would go when after 1200miles the back Pirelli was toast on the BM.

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Re: Rear suspension

Post by Aussie Dave » Wed Apr 05, 2017 8:56 am

I'm ok with the front end - I've got 2250kms(apprx 1300m) up and the forks are doing what I want them to do. (i notice the forks only use apprx 80mm of travel....maybe I haven't gone fast enough yet to get more... :oops: .)

If you go for longer travel, or softer damping, you may find the thing will pogo all over the place - better to just wait while it fully settles in and then see if you need to tailor it more precisely to your desired setting.

My early thoughts are that the long travel rear is showing the front up as firmish, when in fact, the front feels very much like my Ohlins sprung Honda Blackbird forks.....very similar indeed.......but the GT rear has 150mm travel and that is going to make it feel a little odd for a few 000km's......I've adapted and actually quite like what KTM engineers have done......the GT is really a crossover between a sporty and a roadie....hence the 'Grand Tourer' badge......well, maybe Grand Prix Tourer..... :lol:

Ps I have dropped the tripple tree clamps down one ring (it was by accident rather than from any need to fiddle) and the steering is fine.....so you could go 2 rings to sharpen up the feel of the Angel GT's.....also try running them at 32f 34r.......they work rather well at those cold pressures (TPMS reads 34f 36r once warmed up). Michelin sporty powers (whatever they are called) will have sharper feel than the Pirelli's....so that may be the way to go..... :)
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Re: Rear suspension

Post by DaveNZ » Wed Apr 05, 2017 9:26 am

Im going to get my TPMS disconnected, the moment the tire pressures drop below 37R ad 34F the dreaded warning flashes, like you Davy, id like to run lower pressures for more sports orientated riding, and tires to match that riding.
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Re: Rear suspension

Post by AllanP » Sat Apr 08, 2017 3:19 pm

DaveNZ wrote:Im going to get my TPMS disconnected, the moment the tire pressures drop below 37R ad 34F the dreaded warning flashes, like you Davy, id like to run lower pressures for more sports orientated riding, and tires to match that riding.
I'd like to hear if getting this disconnected works for you Dave. I'm OK with the standard tire pressures for touring and weekend riding with the Angel-GT's but I'd also like to take the bike to the track with sport tires and I can't imagine running those with such high pressures.

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Re: Rear suspension

Post by DaveNZ » Sun Apr 09, 2017 1:12 am

AllanP wrote:
DaveNZ wrote:Im going to get my TPMS disconnected, the moment the tire pressures drop below 37R ad 34F the dreaded warning flashes, like you Davy, id like to run lower pressures for more sports orientated riding, and tires to match that riding.
I'd like to hear if getting this disconnected works for you Dave. I'm OK with the standard tire pressures for touring and weekend riding with the Angel-GT's but I'd also like to take the bike to the track with sport tires and I can't imagine running those with such high pressures.
My next set of tires are going to be either M7RRs, or Diablo Corsa III, and the pressures id run on the road would be 35-36R, and 32-34F, and on the track, 30 30, so theTPMS will be a pain in the arse, I'm due tires now after 5,500Ks (front mainly) so rather than get the tires locally i might head up to the KTM dealer (220K away) get the tires and TPMS disconnected at the same time. should happen over the next few weeks. Allan, hopefully.
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Re: Rear suspension

Post by Aussie Dave » Sun Apr 09, 2017 11:48 am

Cheers guys.......yes you can cancel the "low tyre pressure" warnings without deleting the TPMS readings.

I have had my techo's do this as they were unable to reset the parameters for the low pressure 'warning' trigger (I wanted the warning to trigger at say 32f34r cold or 34f36r if hot......but they decided to just turn the warning off). My TPMS still tells me the pressures.....and I just ran with 35f 37r preset cold with 25kg luggage and the TPMS told me that was 37f 40r at hot/road speeds.......very nice feel.......using 1+luggage spring and either comfort or street damping......and I did 500kms a day with no drama.......loved it.....I'm impressed.. :D
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Current delights...1290GT-2017, CBR1100XX-2005

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