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Post by tattoodirt on Sept 24, 2014 8:08:08 GMT -5
I done this to mine and I have had absolutely no problems with weather, debris, clothes or body parts getting caught. I had to do something to keep it cooler. Nothing but a hacksaw and metal file to cut and shape and a few passes with a spray paint can to get it done. Also now that mine is in 2 parts I can work on the variator or the clutch without taking the whole cover off. Just remove front or rear depending on which side Im doing work to.
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Post by rockynv on Sept 24, 2014 12:04:43 GMT -5
You are kidding about the weather right? One light drizzle and that belt should be slipping like crazy. A muddy puddle or wet road with some sand on it should load that CVT up with dirt now in short order. How do you wash the bike without getting soapy water in the clutch?
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Post by tattoodirt on Sept 30, 2014 7:47:24 GMT -5
Not kidding about the weather. It does not affect my ride any when ridding in rain, but I dont ride in rain unless it starts before I get home. I have rode after it rains plenty when the roads are still wet tho. As for washing my scoot, I try to keep as much water away from my cvt when doing so. But it doesnt affect my ride either way. The scooter this is on is a 2008 TANK Urban Sport 50 so its not much anyway but it does get to 40-43 mph on flat ground and that is gps certified as my speedometer isnt working. I got it used and as far as I know its still stock except for the coil, cdi, air filter and muffler.
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Post by jarednh81 on Nov 16, 2014 18:58:00 GMT -5
When taking off my CVT cover for the first time I noticed that in its manufacturing they never bothered to file and clean up the inside of the case in the front behind the crappy little filter and where the air exhaust from the back. using a dremel and a few files I cleaned and smoothed up all the burrs blocking the airflow. I then removed the factory foam filter element and cut out a few of the plastic grills in it and cut to fit a new charcoal filter used in a lot of vacuums. installed the filter back and check the air flow out of the rear at idle with my Anemometer. CFMs up 2.5 from my test before doing any work. I then tested it at 4000 rpm and it was up almost 4 cfms!!!! I also tested the temp of the case 3 times after doing the same 20 min rides before and after the little mod and all three test showed a temp drop of more then 20 degrees ( Using a Ryobi laser thermometer). I think this was the trick (for me anyways) and it was hard to beat the price. And its still all closed up and out of harms way
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Post by scooter on Nov 17, 2014 2:20:23 GMT -5
...and check the air flow out of the rear at idle with my Anemometer. CFMs up 2.5 from my test before doing any work. I then tested it at 4000 rpm and it was up almost 4 cfms!!!! I also tested the temp of the case 3 times after doing the same 20 min rides before and after the little mod and all three test showed a temp drop of more then 20 degrees... Nice R&D! I like how you backed up your work with measurements.  |
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Post by upfartoolate on May 18, 2015 20:54:30 GMT -5
I'd be more afraid of what might happen if the clutch explodes, as has been known to happen. Shrapnel.
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Post by ramblinman on May 18, 2015 21:11:02 GMT -5
I'd be more afraid of what might happen if the clutch explodes, as has been known to happen. Shrapnel. no need to be afraid. you weren't afraid when you were 6 months old... society has brainwashed us to be afraid. it's a useless emotion. an emotion that the puppet masters can trigger whenever it benefits them. don't live in fear... just live and let live for it is the ride. |
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Post by spandi on May 19, 2015 8:40:48 GMT -5
When taking off my CVT cover for the first time I noticed that in its manufacturing they never bothered to file and clean up the inside of the case in the front behind the crappy little filter and where the air exhaust from the back. using a dremel and a few files I cleaned and smoothed up all the burrs blocking the airflow. I then removed the factory foam filter element and cut out a few of the plastic grills in it and cut to fit a new charcoal filter used in a lot of vacuums. installed the filter back and check the air flow out of the rear at idle with my Anemometer. CFMs up 2.5 from my test before doing any work. I then tested it at 4000 rpm and it was up almost 4 cfms!!!! I also tested the temp of the case 3 times after doing the same 20 min rides before and after the little mod and all three test showed a temp drop of more then 20 degrees ( Using a Ryobi laser thermometer). I think this was the trick (for me anyways) and it was hard to beat the price. And its still all closed up and out of harms way Good Posting. I did the exact same thing to mine, (and repainted it in a bronze with clear-coat.) Things are so much nicer now. In addition I found the variator cooling fins to be rather rough, so I filed the squared ends to a rounded shape (Like turbine blades) and a smooth finish.  |
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Post by chewbaca on Apr 19, 2017 23:36:38 GMT -5
If you only have one shock you need the cover it's structural
A two shock scooter should drop it though as you have no torque on the case and your belt and clutch will last longer
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Post by lhumpolick on Jul 29, 2017 12:53:40 GMT -5
When I cut the circle out on my side cover on The back I got some aluminum screen And JB weld and attached the screen to the inside of the cover not only did it keep the motor running cooler it makes the drive belt last longer because I understand heat will cause more break down when the belt gets to hot. Over 5 plus years the screen hasn't come off yet.
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Post by chewbaca on Aug 1, 2017 21:57:58 GMT -5
Carbon and Kevlar dust will just cake the inside of a cover. That stuff is abrasive and it turns your bearing grease into mud.
All of the drive line components last longer without the cover.
The clutch becomes practically immortal. The only bad parts are loss of the kick start and some minor difficulty with rubbing of the center stand.
As far as safety goes. DON'T STICK YOUR DAMN FINGERS IN IT!
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Post by dav3 on Aug 12, 2017 2:08:46 GMT -5
Here's what I did today after reading this thread!   |
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Post by dollartwentyfive on Aug 13, 2017 11:37:06 GMT -5
my CVT was all metal and it got HOT.
after about 15 miles or so, it would get so hot that you couldn't keep your hand on it for a second.
i came up with a couple of solutions.
the first was to vent the CVT through the intake duct, making the CVT a part of the intake.
i wasn't too sure this would work because of all the rubber particles i found inside the CVT might cause problems.
the second solution was to drill about 9 or 10 nine sixteenth holes right over the variaror fan.
i used this method, and it made a world of difference.
i could now keep my hand on the CVT for 10 seconds or longer, no matter how long i rode the bike.
i DO NOT recommend exposing the internal rotating parts to the open air, nor running without the cover.
this is plain thoughtless and negligence on your part.
a person that is injured by such a thing can cause you a lot of legal woes, like suing your pants off.
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Post by mjsfoto1956 on Aug 13, 2017 17:46:31 GMT -5
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Post by pistonguy on Aug 14, 2017 7:24:00 GMT -5
www.dansgaragetalk.com/topic/686-ankle-biter-nibbi-clutch-ncy-vari-upgrade/?page=1Go ahead Flame me, I have the for real Ankle Biter and couldn't be happier with it. The Only reason there is a Cover is to keep one Out of, that caused a problem with Heat so the Vari Face has a Fan on it. I don't really understand why so many think that the CVT is such a delicate system that just normal road dust from paved roads is debri that will cause problems. Look at other areas like Power Equipment, Got a John Deere gator right here with a completely exposed CVT under the tilt bed, many Mule type UTV's have No different materials than a Scoot for a CVT and they are all completely exposed from the underside and they Moosh around the Farm everyday. My Scootin started many years ago with tropical Dive travel throughout the Carib and South Pacific. Now Hurricane season it may rain several times per day, with these Islands at Sea Level the Streets quickly flood, I have many times completely Swamped GY-6 based type Scooters, The Entire CVT Cover is Filled with water, but not just Water, a mix of Salt Sea water and lots of Sand, take that cover off after a few months of that and its filled with Sand, with a Ankle Biter I can take a Hose to it. My Scoot never sees rain or dirt roads. If I did MX it I could take a Hose to the CVT and wash it out. How do I get that trash out a Cover?
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