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Post by Zino on Jul 23, 2020 22:14:09 GMT -5
Gutti you are bringing alot of new stuff to the table for us all to consider
Dual discs on a vino .
Upgraded suspension.
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jul 24, 2020 7:25:07 GMT -5
Gutti you are bringing alot of new stuff to the table for us all to consider Dual discs on a vino . Upgraded suspension. The rear is going to take some work. I need 18 tooth on the 90cc. Most is 19. We will lake it work! Don’t worry. Since I’m going fast it will happen. |
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Post by pinkscoot on Jul 24, 2020 10:34:41 GMT -5
Just the front disc on a Vino is a big improvement, Duel discs and you'll be stopping on a dime.
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Post by hellish100 on Jul 24, 2020 10:58:17 GMT -5
Yes, more info on the rear disc set up please!
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Sum-azn-kid
Scoot Enthusiast
Posts: 183
Location: Hawaii
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Post by Sum-azn-kid on Jul 24, 2020 19:08:12 GMT -5
Might be easier to get a euro minarelli crank case that comes stock with rear disk brakes. Like aerox, aprilia sr50 or malaguti phantom.
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jul 25, 2020 14:45:43 GMT -5
Yes and no. This case I’m working with is short. Most people won’t change cases just for that.
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jul 25, 2020 14:47:30 GMT -5
Yes, more info on the rear disc set up please! Definitely! Still trying to mix and match parts for the rear. Different engine case now for the 103cc. Using the 90cc gears. Different online count. |
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jul 26, 2020 7:02:56 GMT -5
Okay so I can’t get this thing to have top speed! Don’t know what I’m doing wrong. Tuning with carb is almost 👌. The front isn’t coming all the way up. I’ve tried heavier spring with heavier rollers, different combos you name it. I havnt tried red spring with even heavier rollers. I’m use to running 5-5.5 grams on a yellow spring. Now I can’t even touch 60s. What am I doing wrong
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Post by rehabkymco on Jul 26, 2020 7:40:58 GMT -5
Okay so I can’t get this thing to have top speed! Don’t know what I’m doing wrong. Tuning with carb is almost 👌. The front isn’t coming all the way up. I’ve tried heavier spring with heavier rollers, different combos you name it. I havnt tried red spring with even heavier rollers. I’m use to running 5-5.5 grams on a yellow spring. Now I can’t even touch 60s. What am I doing wrong Could be the heat and humidity we've been having the last week. And the rain the last couple days may also be a factor. Maybe belt wear? Although, if it's like my iron kits they can be finicky after running over 10k. Check compression, if you haven't already. |
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jul 26, 2020 8:28:18 GMT -5
Okay so I can’t get this thing to have top speed! Don’t know what I’m doing wrong. Tuning with carb is almost 👌. The front isn’t coming all the way up. I’ve tried heavier spring with heavier rollers, different combos you name it. I havnt tried red spring with even heavier rollers. I’m use to running 5-5.5 grams on a yellow spring. Now I can’t even touch 60s. What am I doing wrong Could be the heat and humidity we've been having the last week. And the rain the last couple days may also be a factor. Maybe belt wear? Although, if it's like my iron kits they can be finicky after running over 10k. Check compression, if you haven't already. Yea the iron kit we are bashing out. The other bike kristians aluminum having same issue but 8:1 gears. We are going to try a few things. We have all the gears to try so just a matter of matching. |
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Post by 90GTVert on Jul 26, 2020 8:29:17 GMT -5
What RPM are you trying to get it to run at? I'm wondering if you may be overshooting the 103's abilities if it's high rev. Most of us haven't had them run great over about 10,500RPM. I've never tried a manufactured pipe built for higher RPM, but it's just never worked out great for me or the other guys here that have tried to rev much over that. Maybe I missed what pipe you've got on there now, but you had mentioned some very race oriented stuff.
I'm just assuming you're at high revs based on the weights that you're using. Either that or the yellow spring is softer than I thought. My last 103cc with the Peace Pipe was using one of the softest springs that I have (I think it's a Kombat dark green, but I'm not even sure what it is because I tried to replace it and the new one was different) and about 10g sliders. That was revving out to 10-11k. For comparison, the same scoot with the 86cc revving to 14,000RPM uses 4.5-5.5g and that same spring.
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Post by 90GTVert on Jul 26, 2020 8:39:22 GMT -5
Oh, you also mentioned gear ratios. I've used 10.13:1 many times with a 130/70-12 rear tire. You said you were using 8:1 and the Vino should be a 10" tire. I just assumed a 100/90-10. Doing a little math, you're effective gearing is more speed oriented than mine. Mine would probably need to be more like 9:1 to be similar. Pretty sure that's do-able, especially for a lighter rider since I'm 300lb.
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jul 26, 2020 8:48:37 GMT -5
Right now tuning with a big evo 94cc pipe.
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gutiwarrior
Scoot Enthusiast
Malaguti F12 Project Wife
Posts: 160
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Post by gutiwarrior on Jul 26, 2020 8:52:31 GMT -5
Oh, you also mentioned gear ratios. I've used 10.13:1 many times with a 130/70-12 rear tire. You said you were using 8:1 and the Vino should be a 10" tire. I just assumed a 100/90-10. Doing a little math, you're effective gearing is more speed oriented than mine. Mine would probably need to be more like 9:1 to be similar. Pretty sure that's do-able, especially for a lighter rider since I'm 300lb. Myra my current gearing is 8-1 on my malossi sport. The 103cc is 8:1 stock gearing BUT frank who is tuning it and helping me out, he’s 300lbs as well. So different rider different weights I’d think. |
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Post by 90GTVert on Jul 26, 2020 9:01:09 GMT -5
So that's what... 13-14,000RPM peak intended exhaust? If it's pulling hard at that RPM for acceleration, then maybe it's fine. Most of the bigger race stuff that revs high usually uses a little smaller bore 50-52mm and/or a different base to end up with a better transfer setup. I know you said 180-190 duration. Something like 190/130 should work with the race exhaust and high revs, if anything does.
The 103 should be very wild if it's making power up there. So if it's not constantly trying to throw you off of it, then you may want to try something intended for lower revs. I've never heard of Frank so I don't know what he's done with the 90s. If he's used this setup before, then maybe myself and a few others here that have built 90s are wrong about their RPM limitations with standard cylinder kits.
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