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Old November 1st, 2019, 03:16 PM   #1
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I Ride: 2013 hypermotard/hyperstrada, 2005 zx6r, drz125, crf50 crf70
Sprockets OEM vs JT carrier n Superlite steel side by side

He is my findings. Side by side comparison. OEM sprocket(20k miles on it) weighs 1724g/3.8lbs. JT sprocket carrier with Superlite steel sprocket (feels like it has a hard coating on it as well)mounted weighs 1062g/2.34lbs. They both are 45 tooth. The OEM is for a 525 chain, the Superlite is a 520. I'd say that is a big difference in sprung weight. That wasnt my main focus but I'll take it. Something to note, the JT carrier doesnt just slide into the Superlite sprocket. It is a snug fit. I'm not sure that they were intended exactly to be used with one another but they do in fact fit and I'm pretty sure you want a snug fit at that point anyways. I think it looks cooler than the OEM sprocket as well. Time will tell how it holds up. ...will be using the DID ERV3 chain .
Attached Thumbnails
Sprockets OEM vs JT carrier n Superlite steel side by side-20191101_180810.jpg   Sprockets OEM vs JT carrier n Superlite steel side by side-20191101_170821.jpg   Sprockets OEM vs JT carrier n Superlite steel side by side-20191101_170827.jpg   Sprockets OEM vs JT carrier n Superlite steel side by side-20191101_170838.jpg   Sprockets OEM vs JT carrier n Superlite steel side by side-20191101_170843.jpg  

Sprockets OEM vs JT carrier n Superlite steel side by side-20191101_172820.jpg   Sprockets OEM vs JT carrier n Superlite steel side by side-20191101_172827.jpg   Sprockets OEM vs JT carrier n Superlite steel side by side-20191101_181505.jpg  
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Old November 4th, 2019, 12:22 AM   #2
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Araitim,
I went with a similar setup, but just went full stupid on the sprocket center options selector (quick change carrier, superlite everything, 520, DID ERV3). I also purchased the poly sprocket bushings, which practically disintegrated on first install. They warrantied them and didn't have any problems but left me hesitant on whether those are worth it. It's possible the OEM torque they recommended was too snug and mushroomed them out beyond spec. I went a little lighter on the torque and no issues.

I tend to bulk-package my mods as I don't get much free time to wrench, plus I don't have a shelter/ garage. I do think where I noticed the weight and inertia savings with the sprocket/ chain upgrade was in the higher gears. Previously, my Strada would run out of steam in 4th gear. Now, 4th and 5th have much more linear grunt all the way to redline.
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Old November 4th, 2019, 09:14 AM   #3
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I Ride: 2013 hypermotard/hyperstrada, 2005 zx6r, drz125, crf50 crf70
Dis you keep OEM tooth count or did you make changes? I'm going down 1 in the front. In fact. it's all torn apart right now waiting on the mailman. He came through but didnt have it now I'm pissed because I cant ride and it's one of the only nice days left this year that I dont have to work. I shopped around to get the price down. I think its so much more at sprocket center because they use a different carrier than the JT(although they look the same and are the same shape). The one they use is quite a bit more expensive.
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Old November 5th, 2019, 10:12 AM   #4
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I went 14T front, OEM rear. Be interested in hearing if you get the 2nd gear stumble that Kuksol and I had/have. Could be linked to RapidBike.

You're definitely a smarter shopper than me. I was sold on the pre-sized chain option. I'm a sucker for no-fuss package deals.
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Old November 5th, 2019, 10:31 AM   #5
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2nd gear stumble? I havnt noticed anything till this point. I'll let you know once I get the new sprocket n chain on. Do you have a link to the conversation? I'm running a slightly modified Kuksol map and settings.
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Old November 7th, 2019, 01:49 AM   #6
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misfire thread

We randomly discussed it in a couple other threads but this was the main conversation. No idea and has my mechanic stumped. He thinks it's an engine speed miscompare or faulty reading from one of the sensors and suspects the tuner may be involved. It's back in the shop and hopefully he makes more progress.
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Old November 10th, 2019, 09:26 AM   #7
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I Ride: 2013 hypermotard/hyperstrada, 2005 zx6r, drz125, crf50 crf70
Got to take it out today. Temps 35F and its misting but I ride in this whether, just mentioning it because I dont ride aggressively when it is like this. What I thought was a fueling issue due to my specific rapidbike settings is completely gone with the new sprockets n chain. At low speeds it would pull throughout the rpm but you could feel a surging till you got higher in the rpm. You tend to not notice how bad it is when you ride every day and the problem progressively comes up. Just did a 20mile loop and it was so smooth throughout the whole range in every gear. I am kicking myself for not doing this sooner because of how smooth everything is now. The dash was reading 6000ish rpm at 85 mph and 7000ish at 95mph. It definitely pulls harder. This is exactly what I was looking for, to add a little more excitement back to the bike. No more noise while coasting to a stop as well. The old front sprocket had slightly hooked teeth. I cant describe how happy I am with this maintenance/upgrade. Like a new bike again.

Total weight loss was over 2lbs.
Notice the teeth on the old front sprocket.
Notice how much the old chain had stretched.
Attached Thumbnails
Sprockets OEM vs JT carrier n Superlite steel side by side-20191110_121324.jpg   Sprockets OEM vs JT carrier n Superlite steel side by side-20191110_121141.jpg   Sprockets OEM vs JT carrier n Superlite steel side by side-20191109_190320.jpg   Sprockets OEM vs JT carrier n Superlite steel side by side-20191109_175248.jpg   Sprockets OEM vs JT carrier n Superlite steel side by side-20191109_171514.jpg  

Sprockets OEM vs JT carrier n Superlite steel side by side-20191109_171523.jpg   Sprockets OEM vs JT carrier n Superlite steel side by side-20191109_172934.jpg   Sprockets OEM vs JT carrier n Superlite steel side by side-20191109_172941.jpg  
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