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Post by ital on Jul 10, 2015 11:27:20 GMT -5
geh3333, I put in a new variator in, however I was wondering what else could be causing the belt to slip? I did put a 1500RPM clutch\torque spring last year which is much tighter than the stock one. For example I cannot press the clutch down by hand, so it is really grabbing onto the belt very very tight. In my head that make sense that it could cause slippage. Should I try a 1k RPM spring? what is your view on this? thank you - Luigi
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Post by geh3333 on Jul 10, 2015 16:55:54 GMT -5
geh3333, I put in a new variator in, however I was wondering what else could be causing the belt to slip? I did put a 1500RPM clutch\torque spring last year which is much tighter than the stock one. For example I cannot press the clutch down by hand, so it is really grabbing onto the belt very very tight. In my head that make sense that it could cause slippage. Should I try a 1k RPM spring? what is your view on this? thank you - Luigi I need to go back and read , but , your belts are breaking right ? If so , I'd like to know how the plastic v-slide guides are holding up. You could have some bad tranny bearings, but many times the v-slides will keep breaking if bearings were bad. You could have and oily CVT causing the belt to slip and because overheated and break prematurely. I'm going to go back and read the thread to see if anything stands out. |
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Post by ital on Jul 13, 2015 11:00:47 GMT -5
Man getting this scooter running 100% has been a challenge. My friend who was going to get us connected to the dyno got into an accident so I do not think that is going to happen any more. He is ok, but I am not sure if the wife will let him ride anymore.
Anyway I thought I had the scooter running very good, and now all of the sudden it feels rich after installing the gears? Makes no sense to me... I just know it feels rich. I cant go WOT or it will bog down on me, but if I accelerate gradually to about 1/2 trutle it feels great, when I start going more then that I can feel its getting too much fuel and revs start dropping.
with the side panel off, I thought it was running good (it covers the air filter), so I will have to try again and see, most likely I will have to go back to the 128 Jet... just odd
That said I did go to work today and took the highway all the way in, 30 miles, even running poorly it kept up with the cars, although pockets of traffics were welcome to give her a break... I basically did not go above 1/2 trutle the whole way, still hitting 65+ CMPH
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Post by geh3333 on Jul 13, 2015 16:51:53 GMT -5
Just keep at it buddy . its sometimes frustrating because we can only do so much to help " since we are not there" . but it seems u have just about got it going and you seem to have the tuning down pretty good. You may even wan to try a 125 main. I'm running a 125 and my scoot is sucking down the gas. I get about 60mpg and I'm a little on the rich side.
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Post by ital on Jul 16, 2015 0:18:23 GMT -5
Found the issue. Removed the intake manifold and I found the O ring smooshed a bit and off.. Used 2 dots of grey stuff to hold it to the manifold and she is all set. Taking her to work tomorrow
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Post by geh3333 on Jul 17, 2015 20:26:44 GMT -5
Found the issue. Removed the intake manifold and I found the O ring smooshed a bit and off.. Used 2 dots of grey stuff to hold it to the manifold and she is all set. Taking her to work tomorrow You will probably need to drop the main jet to the 125 , since you were sucking in extra air from the manifold leak. |
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Post by wilds on Jul 18, 2015 0:41:21 GMT -5
I put in a new variator in, however I was wondering what else could be causing the belt to slip? I did put a 1500RPM clutch\torque spring last year which is much tighter than the stock one. For example I cannot press the clutch down by hand, so it is really grabbing onto the belt very very tight. In my head that make sense that it could cause slippage. Should I try a 1k RPM spring? what is your view on this? thank you - Luigi I suspect that the 1500RPM tourque spring you have on is causing the slippage. I would try a nother torque spring, perhaps you still have the stock spring and can try it... |
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Post by geh3333 on Jul 18, 2015 3:35:25 GMT -5
I put in a new variator in, however I was wondering what else could be causing the belt to slip? I did put a 1500RPM clutch\torque spring last year which is much tighter than the stock one. For example I cannot press the clutch down by hand, so it is really grabbing onto the belt very very tight. In my head that make sense that it could cause slippage. Should I try a 1k RPM spring? what is your view on this? thank you - Luigi I suspect that the 1500RPM tourque spring you have on is causing the slippage. I would try a nother torque spring, perhaps you still have the stock spring and can try it... If the 1500 rpm main spring is causing the belt to slip , then there is an issue somewhere else. Even a 2000 main spring should not cause the belt so slip. The only way I would expect to see slippage would be if the variator or clutch pulley had oil or grease on them , or if the clutch was locking up somehow , not letting the pulley open like it should. Or if the variator itself was getting caught up while opening , keeping it from opening the way it should. You may be partially correct wilds , maybe the if he would try a loosed main spring , the problem may dissipate some . this could help point towards the real issue. |
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Post by ital on Jul 20, 2015 14:37:36 GMT -5
geh3333, thanks for the advice. So I finally was a bit faster then my buddy (barely). He is basically a FBO 150cc with ported head adn slide carb. His scooter seems to be a high RPM screamer. Anyway he did a complete rebuilt of his transmission and now he is wicked faster then me... this is what he got: * NCY Teflon coated Variator * NCY Gen 3 Clutch * Snowflack Clutch Bell * 1500 RPM main clutch spring * NCY aluminum variator face * 10 Gram sliders I was so impressed what a difference this combo made on his scoot, take off and top speed are both higher, but that is not the only story, it is so so smooth... I mean you tap on the gas and that thing just pulls so smooth or you can hammer it and it takes off... I was so impress. here is a pick of the combo...  I already ordered the NCY variator driver face, and the Clutch and the snoflake bell are next on my list.
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Post by geh3333 on Jul 20, 2015 16:30:37 GMT -5
That's the exact drive face I have . I also have the 3rd gen clutch assembly. It does make a big difference.
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Post by geh3333 on Jul 21, 2015 3:26:33 GMT -5
That bell is really nice!! That setup would look good with one of these open aluminum CVT covers!
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Post by ital on Jul 21, 2015 15:54:01 GMT -5
geh3333, you have the NCY Secondary Slider Complete Assembly? how do you like it? is it worth the money?
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Post by geh3333 on Jul 21, 2015 16:00:37 GMT -5
geh3333, you have the NCY Secondary Slider Complete Assembly? how do you like it? is it worth the money? Yes , I still use the regular setting , but the slots are cut a little longer allowing for the clutch pulley to open a little more than stock . I bought mine about 3+ years ago . since then I had to buy new clutch pads . I started a thread a couple years ago about how it allows the belt to drop further into the clutch pulley , but no one seemed interested at the time. But yea , the 3rd gen clutch assembly is great. |
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Post by ital on Jul 21, 2015 19:36:28 GMT -5
George, what clutch bell do you use/recommend?
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Post by geh3333 on Jul 22, 2015 19:52:50 GMT -5
George, what clutch bell do you use/recommend? I use the one that came with the assembly. It has the " N's " cut into the bell. To be honest , I personally do not think it matters too much what type of bell you use. The ncy that came with the assembly has holes drilled into it that helps cool the pads. Other then the holes and some being lighter , they all should do the job just fine. I'll post a pic of mine.  |
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