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Thread: Aprilia Tuono Rear Shock (Sachs)

  1. #201
    Super Moderator Aprilia Tuono Rear Shock (Sachs) 670cc's Avatar
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    Quote Originally Posted by Jut8 View Post
    So guys, reading through all of this, i got a bunch of good info, thank you for paving the way! Now that we have some real world experience with this things, could I pick your brains a bit? I am 192lbs. I just ordered the gold valves for the bike, and I have an OEM 07 Tuono shock sitting downstairs ready to bolt on to my 2012 NC when the gold valves arrive. My initial thought was to do one thing at a time and install the gold valves with the OEM springs, and install the Tuono shock as is.

    But now since we have all the snow here, I am thinking while its a part maybe i should take care of springs too? Looking at the Racetech site it's saying i should be running .88ish springs, so I guess I would bump up to the .90's, correct? Or should I drop down to the .85's?

    For the rear is where I am really confused for the shock spring.....ohlins, race tech? What weight/rate to go with, there is not much info out there. I saw one fellow on here was able to get a RaceTech SRSP 5815 series spring on there, while others are using ohlins for the sizing. If the stock is close to 14kg, what should I go with? I see Krampus did the 11.xx kg spring? I just want to get it as close as i can the first time if possible. thanks!
    On my NC, I just dropped to the 0.80 springs because I weigh 170 lbs, which is less than the guy that had the bike before. So, I have a pair of 0.85kg Racetech springs, like new in the box, complete with the uncut spacer stock to sell. PM me if interested. I'll post these for sale tonight if I get the time.

    Even the 0.80s seem a little stiff, so personally I'd recommend against the 0.90, but it depends how stiff you want them.
    Last edited by 670cc; 21st March 2018 at 15:16.
    Greg
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  2. #202
    Member Jut8's Avatar
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    Cool, thanks, pm just sent

  3. #203
    Senior Member Aprilia Tuono Rear Shock (Sachs) dduelin's Avatar
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    You should measure sag under your riding weight to get more info related to spring selection.
    Dave

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  4. #204
    Member Jut8's Avatar
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    Ok guys, so I drove down to Pisgah National forest for a long weekend of mountain bike riding. After calling Ohlins, I find out they are headquartered right outside of where we are riding/staying and Jerry invites me to bring the Tuono shock in, take a look at it, go over the shock, and set me up with a spring....I also got a nice tour and got to see some sweet stuff while i was in there! While i do not remember near the amount of numbers and things they went over while I was there, the basics are I weigh 192lbs, and I walked out with 1092-49/130 spring mounted to my shock ready to go. He did say this rate was a step or two below what I would get if I purchased an Ohlins shock from them according to my weight, but it is the best fit for the shock that I will be running, with my weight on the bike.....those guys seemed to know what they were doing, so I am going to believe him, haha, he may have sold me on a setup for my fz09 while I was in there too.

    They were nice enough to mount it all up, use their fancy spring compressor, and give me the full tour......it gets mounted up tomorrow, and ride report as soon as the snow leaves the roads around here.

    Aprilia Tuono Rear Shock (Sachs)-img_0303-jpg

  5. #205
    Senior Member Krampus's Avatar
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    Quote Originally Posted by Jut8 View Post
    Ok guys, so I drove down to Pisgah National forest for a long weekend of mountain bike riding. After calling Ohlins, I find out they are headquartered right outside of where we are riding/staying and Jerry invites me to bring the Tuono shock in, take a look at it, go over the shock, and set me up with a spring....I also got a nice tour and got to see some sweet stuff while i was in there! While i do not remember near the amount of numbers and things they went over while I was there, the basics are I weigh 192lbs, and I walked out with 1092-49/130 spring mounted to my shock ready to go. He did say this rate was a step or two below what I would get if I purchased an Ohlins shock from them according to my weight, but it is the best fit for the shock that I will be running, with my weight on the bike.....those guys seemed to know what they were doing, so I am going to believe him, haha, he may have sold me on a setup for my fz09 while I was in there too.

    They were nice enough to mount it all up, use their fancy spring compressor, and give me the full tour......it gets mounted up tomorrow, and ride report as soon as the snow leaves the roads around here.
    Very nice!!! That spring is not even listed on the table I have for Ohlins; awesome for you. I think it will work well for you. You will need some washers to use as spacers on the shock mounting locations; I needed two different thicknesses to take the lateral movement out of it; pretty sure I used stainless fender washers; maybe 1/8 and 1/16 inch in thickness (thereabout).

  6. #206
    Member Jut8's Avatar
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    Shock installed today, everything went well, even taking the bodywork off was not a big deal. Had to run to work for a bit, but hope to have sag setup tomorrow, along with a test ride. Getting the shock in with the washers was a bit tough, i tried grease on the washers, and i wasent smooth enough to get them in without having them fall off, haha. So i just used a bit of closed cell foam i had laying around, wedged it in there, put the shock in place and pushed the foam out with the incoming bolt, worked like a charm.

    Aprilia Tuono Rear Shock (Sachs)-img_0346-jpg

    Aprilia Tuono Rear Shock (Sachs)-img_0347-jpg

  7. #207
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    Very nice! Just curious where you ended up with preload/sag? Also, how you like the ride with that spring and the sachs?

  8. #208
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    Greetings from Croatia,

    I read this thread before messing with the rear shock on my NC700X 2012. Information found here were very helpful. To contribute to this thread - I've done a swap to Aprilia RSV4 2014 Sachs shock and confirm the gas container fits as well. It is a tight fit and gas container touches lightly on the plastic above. The plastic above is just a protection of some electronic components but it is flexible and does not put almost any pressure on the gas container. I put a paper around the gas container to protect it from scratches while installing, but later I took the paper off and it went down easily. So there is not a very tight contact between the gas container and the plastic. I took the advice to use the stronger Ohlins spring 1095-44/120 and I think it is perfect fit. It would be better if it is a bit shorter, but this fits as well but without much room for further preload. Ohlins has a shorter spring, but it is not 120 NM. Any shorter Ohlins would be too soft for me. I am 75 kg but mostly ride 2-up and with a lot of luggage. The preload is spot on. I just had to try several rebound and compression combinations. This setup did miracle for the comfort. Depending on the setup, it can be very bouncy or hard. But the combination I have now is perfect. Still not the comfort of BMW R1200RT I had before, but somehow reminds me of it. It is a big improvement over the stock setup. I already have Racetech valves in front and 1" risers. The original shock was not in a good shape after 50 tkm and the last year trip to Central Asia where we did 14 tkm 2-up, with a lot of luggage and few thousand kms of really bad roads and off-road. I am happy I did the swap to Sachs and not fitting the original rear shock as a replacement.

    Aprilia Tuono Rear Shock (Sachs)-20180519_112127-jpg
    Aprilia Tuono Rear Shock (Sachs)-20180519_112057-jpg
    Aprilia Tuono Rear Shock (Sachs)-20180519_124715-jpg
    Aprilia Tuono Rear Shock (Sachs)-20180519_132048-jpg
    Aprilia Tuono Rear Shock (Sachs)-20180519_132129-jpg
    Last edited by mali_r; 30th May 2018 at 06:26.

  9. #209
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    mali_r,

    Do you have any follow up information on your rear shock? How is it working for you after some time? Have there been any issues with the clearance on the canister?

  10. #210
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    Quote Originally Posted by ColoradoChris View Post
    mali_r,

    Do you have any follow up information on your rear shock? How is it working for you after some time? Have there been any issues with the clearance on the canister?
    No issues at all. Did few thousands already. 2-up and with the luggage. Works flawlessly. It's not a magic carpet feel like R1200RT, but not far either. But it is not just plug-in and ride. It took some time of trying different settings for compression and rebound. What works for me alone, does not 2-up and luggage. It was not an issue before as original shock did not have any settings and now apparent - it covered wider area of usage. It sucked all of it but the difference on different weights was not so apparent. Now it is. What works for me alone, in 2-up ride was too soft and wobbly. Few clicks and it is ready for 2-up. Too firm if I ride alone the same setting. So the only issue with it is you have to adjust the settings, but guess a positive remark as well. You can tune it to different scenarios. In general, the feel is not special. Just a normal comfortable ride how it should be from the beginning. I have a railroad crossing close to my place and the most obvious proof it works much better now, is crossing the rail. Just go over it and no hard kicks to the spine. Like flying over it. Perfect. This was not expensive add-on. I would recommend to go directly to RSV external reservoir shock. Just be aware it is a bit less room for the spring then regular Tuono shock. 120NM spring is a must for all riders above 75 kg and it fits just on the edge. You will need professional tools to compress it and install on the shock. 115NM Ohlins spring is a bit shorter and will leave room for preoad adjustments, but I guess it will be too soft for most of people. For me, no regrets, time invested and money.
    Last edited by mali_r; 21st June 2018 at 03:21.

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