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Post by oldgeek on Oct 13, 2015 13:52:54 GMT -5
Mine is 11:1 and it will pull wheelies with EZ and go approximately 80mph @ 15k......just as a reference We know, EVO power!  LoL! Seriously, wonder what you could hit with the 9.3s? |
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Post by oldgeek on Oct 13, 2015 14:07:10 GMT -5
I picked up a decent 3 jaw puller rated for 5 tons from NAPA for about $34 I was thinking about the HF 20 Ton press on sale for $154, but I really got no place to put the thing! Anyway I decided to try the 3 jaw out on a stock intermediate gear as a test. I put it in the vice and put quite a bit of pressure on it, but it would not budge. I decided to try pressing one of the S6 gears apart, and it finally worked with a popping noise every time it moved. I moved on to the other S6 gearset and it was slightly harder to press apart but it also came apart. I swapped them and pressed them back together. I had to flip it over a few times to get it to stop at the correct point. I kinda wish I had just gone ahead and picked up the 20 ton from HF, they are handy to have when you need them. I guess this was the easy part, now I gotta pull the motor from the street race and split the cases to look for the lost broken ring, and install the 9.3 gears.
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Post by niz76 on Oct 13, 2015 22:15:34 GMT -5
I had the 8.75:1 gears in my 96cc Adly (12" tires but uses shortcase gears) and I actually lost top speed vs. the 11:1 gears. My engine seems real strong with torque (I weigh 260 and my Roketa Air is a HUGE scoot). I was still able to blip the throttle and stand the scoot straight up over speed bumps and have stood it straight up while rolling with a big tug on the handlebars with the 8.75:1 gears but I have always struggled to get over 8k RPM's with my setup and just didn't have the RPM's to support top speeds with those gears. So, I put the 11:1 gears back in and went back to my 60mph top speed. I have ported the Hoca cylinder but I believe it's the Technigas Next R 100cc pipe holding it back. Still have plans to get a Yasuni C16 for it someday and hopefully get the RPM's up and go back to those 8.75:1 ATV gears!
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Post by oldgeek on Oct 16, 2015 21:54:50 GMT -5
I had a vento style rear wheel on the bench along with the gears so I decided to check the fit of the secondary output shaft to the wheel, and I am glad I did because it don't fit! This kind of stuff will drive you crazy. The stock shaft is 18 splines and 19.34 mm diameter. The stage 6 is also 18 splines but is 19.46 in diameter, and will not even start to go in the wheel. The shaft diameters where the gear presses on seem to be the same, I guess they could also be swapped, but would likely need a large press to do it. I have about had it with these seemingly poor tolerance, ill fitting parts.   |
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Post by iwiketuddlz on Oct 16, 2015 23:03:40 GMT -5
Oldgeek man I knew right!!!id say 100mph with 9.3 gears!!
Wooot
Mmm? Atv gears won't fit my longcase will it!!
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Post by thatcrazyguy on Oct 19, 2015 14:48:18 GMT -5
I'm clueless. But I'm glad that you're trying to do the testing for the rest of us!  What he said  |
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Post by oldgeek on Nov 7, 2015 0:01:50 GMT -5
Does anyone have an idea how to fix the mismatch I have with the splines between the Stage6 output shaft and the wheel?
I wonder if it was just not ground to spec, or what.
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Post by 190mech on Nov 7, 2015 5:00:34 GMT -5
It sure looks like its not splined properly,would be tough to fix that!
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Post by oldgeek on Nov 7, 2015 7:52:12 GMT -5
I wonder if they are all made that way, or I just got a dud?
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Post by crawford on Nov 7, 2015 11:41:59 GMT -5
maybe a 3 sided file and lots of time
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Post by Corrosion on Nov 7, 2015 12:23:23 GMT -5
If you had a second throw away shaft you could make a broaching pass through spud, our of the shaft.
And use the HF press you will get to complete it.
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Post by oldgeek on Nov 7, 2015 12:51:00 GMT -5
The first crank I used in this motor had the same issue on the splined side of it, nothing would go on it. I had to file the ramp plate, starwasher and the kick-start piece to make them fit.
I have some nice fine cut burs I may give a try, can't hurt anything. And if I get a press eventually i can always try to press it apart and see how it fits on the stock shaft
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Post by oldgeek on Nov 10, 2015 18:36:44 GMT -5
I picked up a 20 ton press from HF for $154.00 today. We got it all assembled and tested so I decided to see if I could swap the stock output shaft with the one from the stage6. As I was getting the gears ready on the bench I decided to see if the stage6 output shaft would fit in the Vento Zip rear wheel that was sitting on the end of the bench. To my surprise it went right in. So I tried it on another alloy Vento CLONE rear wheel I had laying around and it did not fit. I had one more GENUINE Vento rear wheel laying around so I checked that one and it fit perfectly too. So it seems the stage6 secondary gears WILL fit if you use a rear wheel that has Vento stamped in it. Picture: Top right blue wheel Vento Zip, bottom left Red wheel is Vento Triton, bottom right blue rim is Eurostrada RX8.  |
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Post by Corrosion on Nov 10, 2015 20:51:57 GMT -5
Make sure they gave you the press plates. They tried to tell me they were extra.
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Post by oldgeek on Nov 11, 2015 8:42:07 GMT -5
Make sure they gave you the press plates. They tried to tell me they were extra. I got them, they were in the box that had the bottle jack in it that they almost forgot to give me:) |
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