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Post by 90GTVert on Jul 3, 2010 20:06:04 GMT -5
I've still got the same front tire. They made the forks so tight that nothing bigger wants to fit. I really haven't had any problems with the brakes on this one. The front drum on this thing is about double the size of the front drum on the SunL. The only thing I hate about these setups is how hard they dive when you hit the front brake.
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Post by WT100 on Jul 3, 2010 20:30:10 GMT -5
So you just have the bigger tire on the back. No wonder is has a bit of a drag racer look. I like that.
Yes the "dive" can be quite un-nerving.
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Post by 90GTVert on Jul 3, 2010 21:35:17 GMT -5
Yeah, the biggest tire I could fit on the rear and a little stocker up front. Speaking of tires, that's another issue I need to take care of. I get a vibration at 47+MPH from the rear tire. I need to put some Dynabeads in there. The front tire used to be out of balance, but I tried something a while back that worked pretty well. I used a pair of jackstands and the axle to spin just the wheel with no tire. When I found the light spot I welded a patch right in the center of the wheel there. Kept doing that until I had the right amount of weight there. It hasn't had a problem since. I know that's not the correct way to balance it, but it worked out pretty well. I just tried it because I didn't have wheel weights around, but I did have a welder.
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Post by 2strokd on Jul 4, 2010 11:41:38 GMT -5
Thats a cool idea!!!
I have been meaning to try Dyna beads. Do they really help that much?
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Post by 90GTVert on Jul 4, 2010 12:55:49 GMT -5
I've tried them once so far. They helped a little, but I didn't see where they were the miracle in a bottle that some have claimed. Maybe my experience will differ this time.
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Post by drawkward on Jul 4, 2010 15:25:54 GMT -5
Cool idea with the welder. It didn't burn the paint on the other side? My wheels are so unbalanced, I was thinking about taking them to a local shop to get them balanced but I guess I could give it shot myself with some weights.
Glad to hear the Venus is running so well. I'd leave it alone for a bit and enjoy all the riding I could before something else happens. Knock on wood.
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Post by 90GTVert on Jul 4, 2010 15:42:45 GMT -5
It did burn the paint. The wheel was gray stock so I painted it silver like the back wheel.
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Post by WT100 on Jul 11, 2010 21:03:27 GMT -5
Hey have you thought any more about a front end swap. I would love to do that on mine. Was looking the Baja that Fox is parting out and thinking about trying that front end.
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Post by 90GTVert on Jul 12, 2010 0:43:39 GMT -5
I gave up because I can't afford to stockpile parts that don't work and after riding it I discovered that the front drum on this one doesn't bother me as much. Everything is really tight up front. It the fork is much wider you'll be cutting the front fairing up to avoid hitting it while turning. If the forks aren't much wider you won't fit a bigger wheel and tire. On top of that, different scooters have different tube sizes and lengths. Once you find a fork, wheel, tire, axle combo you need to set up the brakes so you need a whole front disc brake assembly and you will need to remove the stock brake lever so it's not in the way and make room for the master cylinder and new lever to mount on the handlebars. The way these retros are setup, I think they might be one of the worst candidates for this sort of swap.
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Post by WT100 on Jul 12, 2010 20:10:07 GMT -5
Oh man, that is why i ask the Guru! Sounds like way more work that it is worth.
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Post by 90GTVert on Jul 12, 2010 21:26:14 GMT -5
If you just wanted a disc brake, you could measure the wheel and probably find one meant for disc. The larger wheel is where the isssue really is from what I've seen.
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Post by 90GTVert on Aug 7, 2010 0:27:17 GMT -5
I was looking at short case minarelli engines from ATVs and trying to sort out a few issues in another thread, but I felt it most appropriate to post the swap here... I picked up a 90cc ATV engine on eBay at what I think is a pretty decent price. It has no flywheel, stator, fan, or fan shroud. The listing said that the stator was bad, and that's why it was all removed.  The engine arrived today. I'm glad UPS was pretty gentle with it, because it really had no padding or packing. It was just kinda wrapped in cardboard.  Definitely looking a little rough upon unboxing.   I tore the engien down a little to make a more thorough cleanup possible. Before removing everything, I measure the amount of clutch rotations per axle rotation with the stock ATV gears. It looks like roughly 8 3/4 turns to me, and 8.8:1 is the number that I had heard for these engines.  Oil injection. Yuck.  A pressure washer can work miracles.  No more injection.  I pulled the gears out and removed the mounting plate that was on the engine where the rear drum should go.   My original plan was to work on my Mustang tonight. I stood thinking 90GT... 90cc... 90GT... 90cc... Well, you see how that turned out. |
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Post by 190mech on Aug 7, 2010 5:14:13 GMT -5
Yee-Ha!Its here!Ya gonna leave it stock for now?Looks good after the clean up!! ;D
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Post by 2strokd on Aug 7, 2010 7:18:51 GMT -5
:nana: :rockon: :clap: :checkered:
Mmmmm, purdy :thumb: ! That sucker cleaned up nice!
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Post by 90GTVert on Aug 7, 2010 7:22:47 GMT -5
Thanks. I was VERY pleased with the cleanup as well.
Most likely the only mods are gonna be whats coming off of the 70cc for now. So that's a Hoca variator, complete Hoca rear pulley/clutch, reeds (I forget if those were Malossi or Polini), smoothed out intake, and I think that's it. Of course the aftermarket coil is mounted to the scoot. Oh and the deeper gears hopefully. ;D
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