Royal Enfield Interceptor 650 - YSS Fork Upgrade Kit - Ride And Review
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- เผยแพร่เมื่อ 27 มี.ค. 2023
- This video is about my Royal Enfield Interceptor 650. I recently installed the YSS Fork Upgrade Kit on the bike. The YSS fork Upgrade Kit is a great way to upgrade the suspension on your Interceptor 650. The kit ads an adjustable preload to the front forks. In this video I am riding the bike for the first time since installing the YSS upgrade kit. I stop and adjust the preload a few times in this video. You can visually see how the suspension moves with the different adjustments. Throughout the video I give my thoughts about each preload setting I use. I have YSS suspension on the front and rear of my Interceptor 650. The bike rides like a dream. I’ll start working on some engine mods in a couple weeks. I’m waiting on one last tool to come in. It’s been backordered but I hope to have it soon. Until then, thanks for watching.
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Thank you for all the suspension videos!!
I am glad I found your channel. The production quality and voice-over of your videos are just amazing, and your mechanical skills are very confidence inspiring. This is by far the best series of videos on this mod available. Having said that, I feel I should add the standard caveat that without drilling the damping rod, the valve does nothing under compression and the mod is now equivalent to changing the fluid, adding a linear spring and adjust the preload. This is in itself a worthwhile improvement, but to get the benefits that the valve can offer during compression (wheel upstroke) the flow restrictions of the damping rod needs to be taken out of the equation for the compression part of the stroke (which is where the valve ”does its thing”). On extension, the valve is just a passive flow restriction in series with the damping rod. You trim the extension/rebound with the oil weight, and then the compression with the valve preload. The preload cap is just height adjustment of the static equlibrium point.
I don't think that's quite correct. The idea of the emulator valve is to provide more damping at slow suspension velocities (to make it less mushy), while providing less damping at higher velocities (to make it less harsh). The "less mushy" part works just fine if you don't drill out the holes - after all, the mushiness is caused by the stock ("small") holes providing too little damping at slow velocities, and drilling them out is certainly not going to change that! It's only at the high velocities (e.g. on a rough road) that the stock holes become "too small", making the ride harsher. However, if the stock holes are large enough to begin with, you might never get into that "too harsh" region at all during everyday riding. On the other hand, if you drill out the stock holes too much, accidentally hitting a large square bump may cause the suspension to bottom out, which can break all sorts of things or even cause an accident.
EDIT: for some reason my comments on this thread get deleted, but I advice looking up "cartridge emulator fork" in Google and reading Racetech's article about them.
@@KibberShuriq What I meant was that without drilling, the valve achieves nothing that could not be achieve by changing the weight of the fork oil. Compared to a standard damping rod, the emulator valve usually does nothing or very little to affect damping a low velocities and is not the reason why it was invented. Only high-velocity compression is affected by the valve opening since that is the only situation in which the valve moves. If low-velocity damping was the only issue, a thicker fork oil or plugging a hole would solve the problem. However, a thicker oil that is great for low-velocity compression (and rebound) would be unbearable at high piston velocities (in compression stroke). The holes that are drilled out are for compression only (i.e. the rebound orifices are not modified). They are drilled out to allow for higher flow under high-velocity compression when the valve regulates and low-velocity compression is handled by new orifices in the emulator body. The latter may have a slightly different size but are of little importance. The whole point with the emulators is that they decouple low-velocity and high-velocity damping under compression, allowing a "un-mushy" ride on nice roads without having bumps shooting up your spine. For that to work, you need to drill out the lower set of holes.
You can't drill them out too large because the emulator provided the restriction between the slider and the fork tube above the damper piston under compression.
@@neiljarvis8911 Well yes, but at very high velocities (close to fully open) it provides less damping than the stock damping rod (at those velocities). Normally that's a good thing - the modified fork would eat up a harsh bump that a stock fork would struggle with - but there's bound to be situations (combinations of bump/pothole sizes and velocities) where the drilled out fork would bottom out, but the stock one would not. The only question is how likely encountering such situations is for a particular rider.
Hey. Glad to see and hear that you like what the kit has done to make a great bike even greater. That was a good use and excellent view from the other camera while it lasted. Lots of better riding conditions on their way now and I am looking forward to your future updates. Your fellow Enfield Interceptor fanatic in Virginia. Stay safe .
@Frederick Woods Hey bud, thanks for the comment. Yes, the bike rides so much better with the YSS kit. I still need to get the front and rear to work together a little more. All fine tuning now. I'll get it right eventually. I really like it how it is now. But, with so many adjustments available on the coilovers, I still want to see what options I have. I think I might go to 20w fork oil when I change the oil again (next year). Got my new gaskets in for the engine and piston ring compressor should be here next week. Gonna crack the engine open soon. Thanks again for the comment and thanks for watching.
I have the same YSS set up front & rear on my Interceptor, i to have found it transformational for the bike, so much more fun to ride in every respect.
Just fitted the TEC big bore pipes to the already installed S&S slip ons this weekend, also a big difference to the sound & feel of the bike.
Looking forward to more videos.
@Daryl Wootton I feel the same way, total transformation. That's a nice exhaust setup.I bet it sounds good. I might build my own exhaust when I get to that point. Still not sure. Thanks for the comment and thanks for watching.
@@my-enfield612 if you do, sell me one 😎
Great upload, I was interested to see how the upgrade worked. For the the future, would you please leave the captions on the screen 2 or 3 seconds longer as I couldn't read all of the longer ones, I don't know if anyone else found that? Thanks for your efforts, I'm loving your channel 👍
Nicely done. Good work. I was waiting for this video and to see if you had the same reaction as I after the upgrade. Glad we had the same reaction! 👍 It has really made my GT 650 much better....the next video I am waiting for from you now is a tire video...have you decided what tires you are gonna try out yet? I am thinking the Bridgestone 46's. Thanks again for making your videos. I am enjoying them and learning a lot from watching them. Cheers from John in Greece!
@jjM51 I haven't decided on tires yet. I have heard good things about the 46's though. I'll probably go to a tubeless kit so I have more tire options. I'm not sure yet. I'm glad you like the videos. Thanks for the comment and thanks for watching.
Great suspension vids, thanks! Can I ask, what brand 15W fork oik did you use, since apparently there are different standards?
i think that you have found as ive seen others saying that just changing the fork springs to progressive springs is enough to much improve the ride
Thanks for the review, I'm planning to upgrade to YSS front forks too. Do you have any recommendations about the rear shocks? I'm considering the TEC shocks, but still not sure about them...
@aphexbubblebath Thanks for the comment. Sorry for the late reply. I Have the YSS RG362 series coilovers on the rear of my bike. They are way better then the stock coilovers. I really like them and they have adjustable preload, compression and rebound settings. Thanks again for the comment and thanks for watching.
Glad I came across your channel since I've been thinking about upgrading to the YSS kit! Your videos have helped me make that decision and I'll be ordering one soon. Can you please comment on the preload settings? What do you look for when changing them? I'm in Mumbai, India and primarily ride on weekends for fun and not as a daily commuter. But the roads can be pretty bad including frequent surprise speedbreakers as you head out of the city. Even some of the highways around Mumbai are in pretty bad condition. What kind of setting would you go for in such a scenario? Thanks once again for a very informative set of videos!
@Vinay Arora So, I ended up at 7.5 turns stiffer from the softest preload setting. What I'm looking for after preload adjustments is changes in handling. Is the bike over or understeering and does the front tire feel like it's digging in or is it about to slip when leaning. I also don't want the bike to feel too bouncy like the tire wants to leave the ground when going straight. I wouldn't go too soft with the setup for rough roads. Though it seems like a softer setup would be best, it might not be the best place to start. If the setup is too soft, the suspension could bottom out and the frame would start to absorb a lot of the energy the suspension should be absorbing. This energy will then transfer to the rider. You don't want your suspension to bottom out ever. For rough roads like you're talking about, I would ask other people riding those similar roads what weight fork oil they're using. The oil weight will change everything. I use a 15w but I find it a bit soft on lower preload settings. I will probably try a 20w at next maintenance. Thanks for the comment and thanks for watching.
Hey I'm in Mumbai as well and looking to upgrade to the YSS kit. Have you done it yet? Let's catch up sometime for a weekend ride.
Chief amazing video!
Just had a doubt I hope you would not mind giving your opinion
I own an interceptor 650 as well
I am currently planning to upgrade the front springs from YSS (the same you have shown in this video)
But I intend to keep the stock rear suspension
Will this be a good marriage over all in your understanding?
Or should I just wait for an year and save up and install both things at same time (which I am honestly not willing to do but if you advice for it would consider for sure)
Thanks in advance
You can do forks and then rear or viceversa. Of course having both will be the final step. Good ride!
Greetings from Bali, Indonesia 👍. A well documented and edited film; I'm convinced I want the same setup 😮. Can I ask what the weight of the rider is?
@Hqmpest Thanks for the comment. I'm glad you like the video. Right now I'm weighing about 155 pounds. Thanks again for the comment and thanks for watching.
there is a difference from watching the first two settings..first was rigid almost the second had alot more travel, even near bottom out at one point..me I would add the top shim taken out of the old forks, as i like a stiff action and find after afew months it wear anyway, but thats just me
Good job. How many turns did you make for preloaders ?
@Igor Leahu Thanks for the comment. I ended up at 7.5 turns in/stiffer from the softest setting. I still need to do some fine tuning but I'm close. I also need to fine tune the rear suspension just a little bit to work better with the front. Thanks again for the comment and thanks for watching.
Which bike lift do you use? I need to get one
Is this yss suspension desolve wobbling issue