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Putting miles on those Diablos
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Post by thecollector on Jul 14, 2016 22:53:48 GMT -5
I purchased the NCY super trans kit. I was hoping to get it done today but ran into some obstacles. I got the case off and the 17mm nuts on both sides would not budge. All the tricks were tried and it was especially frustrating because I had bought a cordless drill/impact set to help with this job and the driver failed at its "one job." It just is not strong enough for this job. I finally got a buddy's bigger corded unit and they got off.
Began cleaning it up and was looking forward to disassembling the clutch assembly. I had bought a 39mm impact socket because ALL 150cc gy6 clutch nuts are 39mm across. Not mine, it's about 42mm across. I have friend coming over now who has some better tools and it looks like we're gonna go the "hard way."
I'll post again when I make more progress.
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Freshman Rider
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Putting miles on those Diablos
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Joined: Jul 30, 2015 14:52:52 GMT -5
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Post by thecollector on Jul 14, 2016 23:38:45 GMT -5
A video of what the stock setup looked like. Some of my friends told me they like "CVT videos."
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Freshman Rider
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Putting miles on those Diablos
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Joined: Jul 30, 2015 14:52:52 GMT -5
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Post by thecollector on Jul 15, 2016 17:12:15 GMT -5
After cleaning everything and reassembling I would say it was a bit tricky but not too hard to do. The NCY kit comes with "rollers" or the tiniest ball bearings you have ever seen. Exhale near them and they go flying. I had some struggles getting my two part pins back in the Primary, but the new Secondary fit snugly. Then the challenge of getting the little balls smaller than the head of a pin to fit neatly into the two part spring seat. I had an easier time than expected pressing the new clutch and spring down on the post and not losing the little bearings. Using the well documented two hands down, then replace with your feet method, I secured the 42(!)mm clutch nut. I then used my vise grips in the open and extended position like it was a spanner wrench to put the nut back in place. A sigh of relief. The Kevlar belt was very stiff but I massaged it into position. This is the only time nearing 100 degrees outside worked to my benefit. Here's a picture.  |
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Freshman Rider
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Putting miles on those Diablos
Posts: 73
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Joined: Jul 30, 2015 14:52:52 GMT -5
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Post by thecollector on Jul 15, 2016 18:28:09 GMT -5
One other thing... This is how I keep the case bolts organized.  |
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Post by mopojo on Jul 16, 2016 14:19:53 GMT -5
One other thing... This is how I keep the case bolts organized. Thanks... forgot where that metal piece on bottom left went. LOL Can put it back on now (friends bike). |
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Freshman Rider
Currently Offline
Putting miles on those Diablos
Posts: 73
Likes: 16
Joined: Jul 30, 2015 14:52:52 GMT -5
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Post by thecollector on Jul 16, 2016 22:05:08 GMT -5
My friends suggested I vent the case and even offered to let me borrow a 3 1/2 inch hole saw. I did so and it came out pretty well.  And here is a video me starting it the first time after buttoning it up. Noticing the wheel move pretty fast at start up I have backed out the idle screw a good turn. I have since been riding it around, a bit slowly, to let it break in. I cannot give a full report yet but "so far, so good." |
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Post by JerryScript on Jul 17, 2016 13:39:00 GMT -5
Good job, like the vent! I currently have 3 scooters, two have the smaller clutch nut, one the larger, so I understand where you're coming from.
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Freshman Rider
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Putting miles on those Diablos
Posts: 73
Likes: 16
Joined: Jul 30, 2015 14:52:52 GMT -5
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Post by thecollector on Jul 25, 2016 15:06:57 GMT -5
I started out very slowly on the scoot with the new CVT setup. I resisted the temptation to go fast for about half a tank. I returned some of the tools I had borrowed and slowly went faster and faster. Going on a straight shot North, I eventually eased it to about 60 mph, seemed fine and was not even taxing it too hard. I did noticed how the gear ratio seems to stay lower from a stop because the engine growls a bit, in a very satisfying way.
Unfortunately for me, as I was heading to return the hole saw to the friend who suggested the vent, the throttle cable snapped at the tube while I was executing a slow speed right turn. Luckily for me, the same buddy gave me a lift home. The last couple days have been spent doing small repairs while I reroute the new throttle cable.
I'll post again when I'm back on the road.
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