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Post by Zino on Jun 25, 2020 18:00:16 GMT -5
It should work just fine .
I have run it that way on a different yamaha .
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jun 25, 2020 20:31:22 GMT -5
Any gains?
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Post by Zino on Jun 25, 2020 21:28:17 GMT -5
couple miles on top end 2-3 mph at best
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Post by 90GTVert on Jun 26, 2020 7:10:38 GMT -5
so what you all think about running just the front over range variator and keeping stock rear so I wouldn’t have to cut my case? I did a bunch of CVT testing years ago with a 70cc sport kit on my Triton. Here's a quick summary of most relevant data. If you look under each pulley, you'll see that I tried some with different variators, so you can see the whole OR vs the OR vari with stock or other rear pulleys. www.49ccscoot.com/manuals/CVTProject-TestInfo.pdfIf you want to see the whole test in video form, it's a 3 part series starting here : youtu.be/d3cQKYT0ojgThe ability to use a longer OR belt with the OR rear pulley is helpful. It can allow you to increase speed slightly (a couple of MPH for me) while maintaining a quick start. For my setup, a long belt that allowed full travel up front was too long with a standard rear pulley and bogged on takeoff till it took up belt slack. I got the best results with the full OR kit, but if using standard rear pulleys I usually did better with a standard belt. I'm sure you could find a slightly longer belt that would be advantageous, but I had no desire to spend a fortune trying to find just the right one because I've found that labeling across manufacturers is not always accurate. An example I use is when I bought a 798 Gates belt while looking for a slightly longer alternative to my 788 Bando and it turned out that the 798 was shorter than the 788. |
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jun 26, 2020 8:04:54 GMT -5
so what you all think about running just the front over range variator and keeping stock rear so I wouldn’t have to cut my case? I did a bunch of CVT testing years ago with a 70cc sport kit on my Triton. Here's a quick summary of most relevant data. If you look under each pulley, you'll see that I tried some with different variators, so you can see the whole OR vs the OR vari with stock or other rear pulleys. www.49ccscoot.com/manuals/CVTProject-TestInfo.pdfIf you want to see the whole test in video form, it's a 3 part series starting here : youtu.be/d3cQKYT0ojgThe ability to use a longer OR belt with the OR rear pulley is helpful. It can allow you to increase speed slightly (a couple of MPH for me) while maintaining a quick start. For my setup, a long belt that allowed full travel up front was too long with a standard rear pulley and bogged on takeoff till it took up belt slack. I got the best results with the full OR kit, but if using standard rear pulleys I usually did better with a standard belt. I'm sure you could find a slightly longer belt that would be advantageous, but I had no desire to spend a fortune trying to find just the right one because I've found that labeling across manufacturers is not always accurate. An example I use is when I bought a 798 Gates belt while looking for a slightly longer alternative to my 788 Bando and it turned out that the 798 was shorter than the 788. Awesome data. I’ve been testing a few setups myself and currently with the longer belt and multivar, I’m getting FULL potential. Currently hit 66.5 this morning. At that speed the engine is only turning 9200-9400 so I might change my rollers SLIGHTLY to increase rpm up a little to try and push the gears. Primary to secondary I don’t hear much of a change and the engine rpm is pretty steady. So any changes I do is going to be slight. The next thing I’ll try is some port work....steady but making progress! |
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jun 26, 2020 14:20:14 GMT -5
250 grams removed from the flywheel! I always kick anyways due to compression. I can say I got my wheelies back and the bike is a lot more responsive down low. Gained maybe a few hundred rpm.  |
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jun 27, 2020 21:34:34 GMT -5
Advance the timing a little? I haven’t pulled the flywheel but I see an awesome video going from 13 to 20 and seeing some
Nice gains! I’m not set on spending a buck 50 right now on a new ignition so I want to see if slotting and advancing will give me anything first.
Any thought?
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jun 27, 2020 22:40:38 GMT -5
I will be getting a ncy secondary slider. With better curve and the sots for more consistent rpm and gear change. 🤙  |
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Post by Zino on Jun 28, 2020 8:05:17 GMT -5
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jun 28, 2020 8:44:55 GMT -5
Yes I saw these. Wasn’t sure if 3 would be enough and do anything....
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jul 6, 2020 21:14:56 GMT -5
Saw some improvement after clocking the stator for advance timing 2-3mm. The flywheel bolt threads got smooshed awhile back and after sending it last time no more threads there. I ended up drilling and tapping new threads with a bolt and called it good till next week.
Stage 6 crank and new bearings getting installed along with a ported cylinder I got from my buddy.
Rollers I went from 33 grams to 36 grams. Still same acceleration almost and gained 3-4mph on top.
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jul 7, 2020 21:08:03 GMT -5
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jul 8, 2020 21:22:12 GMT -5
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Post by Zino on Jul 8, 2020 22:34:21 GMT -5
You sure get down to business .
Nice work
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Post by aeroxbud on Jul 9, 2020 6:43:00 GMT -5
It's getting there. 👍
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