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Author Topic: Increasing performance on 2012 super 8  (Read 17964 times)

zombie

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Re: Increasing performance on 2012 super 8
« Reply #15 on: July 06, 2014, 05:59:01 AM »
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BettinANDlosing

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Re: Increasing performance on 2012 super 8
« Reply #16 on: July 06, 2014, 04:04:36 PM »
I just got the polini hi speed, I had to customize the noon moveable drive face to get the pulley to go all the way together. Other than that I love it, high revs right off the line and settles into nice cruising rpm. Get rollers with it because mine came with stupid light weights, like 4.9 & 3.5. Don't expect much gain with a variator alone tho, you'll be disappointed.
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2002 Kymco B&W 300; MRP 78MM "300CC", Naraku cam, Yoshimura rS3 exhaust, 17g Sliders, Yellow torque spring drilled airbox, stock carb #115 main #40 pj.

2001 "Yamaha" Zuma AKA MBK Booster; MHR OverRange, Dellorto 19mm BHBG, Polini "big" intake, RS-3 Rear shock, Stock cylinder.

gnvernon

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Re: Increasing performance on 2012 super 8
« Reply #17 on: July 08, 2014, 02:16:54 PM »
UPDATE: I am still waiting on my jets and then have to find time to install them. However, I got +4 MPH simply by optimizing my tire pressure.

I am going to get a new contra spring and new roller weights. I need a new spring regardless because by hill climbing is sub-par but would putting new weights in a stock var be worth it? and if so, what weights sould I get?
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Chris0381

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Re: Increasing performance on 2012 super 8
« Reply #18 on: July 08, 2014, 02:31:21 PM »
Quote from: gnvernon on July 08, 2014, 02:16:54 PM
UPDATE: I am still waiting on my jets and then have to find time to install them. However, I got +4 MPH simply by optimizing my tire pressure.

I am going to get a new contra spring and new roller weights. I need a new spring regardless because by hill climbing is sub-par but would putting new weights in a stock var be worth it? and if so, what weights sould I get?

When you say optimize did you over inflate the tires or just made sure they were the correct tire pressure ?
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2013 Super 8 50cc 2T Air Cooled Mfg'd 2012
Stock pipe derestriction
Smooth Boss
6.5gm Dr Pulley sliders
Malossi Torsion Controller
Malossi Fly Clutch- yellow springs
Polini Variator
#95 Main Jet
Purple Malossi Contra Spring
42 MPH on the flats with the wind

gnvernon

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Re: Increasing performance on 2012 super 8
« Reply #19 on: July 08, 2014, 03:06:17 PM »
front: 30 PSI
Rear: 31 PSI

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Chris0381

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Re: Increasing performance on 2012 super 8
« Reply #20 on: July 08, 2014, 03:20:06 PM »
I must check into to that. Do you have a good tire gage to get accurate pressure reading ?
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2013 Super 8 50cc 2T Air Cooled Mfg'd 2012
Stock pipe derestriction
Smooth Boss
6.5gm Dr Pulley sliders
Malossi Torsion Controller
Malossi Fly Clutch- yellow springs
Polini Variator
#95 Main Jet
Purple Malossi Contra Spring
42 MPH on the flats with the wind

gnvernon

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Re: Increasing performance on 2012 super 8
« Reply #21 on: July 08, 2014, 03:35:35 PM »
$10 digital pressure guage from walmart. seems to be pretty accurate when tested against my Acura TL's TPMS pressures. Did have a tough time getting a good reading from the rear tire though. Not exactly sure why.
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BettinANDlosing

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Re: Increasing performance on 2012 super 8
« Reply #22 on: July 08, 2014, 03:40:25 PM »
Dang that's still low, go 40 in the rear and 35 front to gain even more speed. Also yes sliders will help with stock, but you'll want to get 7-8 g especially if you plan to get a stiff contrast spring. Stiffer spring = heavier weights to pull through that spring.
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2002 Kymco B&W 300; MRP 78MM "300CC", Naraku cam, Yoshimura rS3 exhaust, 17g Sliders, Yellow torque spring drilled airbox, stock carb #115 main #40 pj.

2001 "Yamaha" Zuma AKA MBK Booster; MHR OverRange, Dellorto 19mm BHBG, Polini "big" intake, RS-3 Rear shock, Stock cylinder.

gnvernon

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Re: Increasing performance on 2012 super 8
« Reply #23 on: July 08, 2014, 03:42:31 PM »
max PSI on the tires says 32 PSI.... If I am going to get sliders will I want to get 8-9 g then? I've heard that the sliders act about a gram lighter than rollers. Yellow spring?
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BettinANDlosing

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Re: Increasing performance on 2012 super 8
« Reply #24 on: July 08, 2014, 03:45:57 PM »
Red spring week rip up hill but most likely over rev past your power band. Those tires could handle 100psi before blowing, I run 40psi on my zuma and it increases to speed quite a bit. Yeah I would try 8g, 9 would be to much.
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2002 Kymco B&W 300; MRP 78MM "300CC", Naraku cam, Yoshimura rS3 exhaust, 17g Sliders, Yellow torque spring drilled airbox, stock carb #115 main #40 pj.

2001 "Yamaha" Zuma AKA MBK Booster; MHR OverRange, Dellorto 19mm BHBG, Polini "big" intake, RS-3 Rear shock, Stock cylinder.

gnvernon

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Re: Increasing performance on 2012 super 8
« Reply #25 on: July 08, 2014, 03:47:48 PM »
soooooo yellow spring? I could go for a stiffer spring right now just because when I approach a hill my revs are waaaayyyyy too low. Hopefully 8g sliders and a yellow spring will be a good mix with what I have.
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Chris0381

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Re: Increasing performance on 2012 super 8
« Reply #26 on: July 08, 2014, 03:54:59 PM »
Not to hijack but stay on subject, what would the a guess on the ideal rollers be with a yellow contra spring change ?
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2013 Super 8 50cc 2T Air Cooled Mfg'd 2012
Stock pipe derestriction
Smooth Boss
6.5gm Dr Pulley sliders
Malossi Torsion Controller
Malossi Fly Clutch- yellow springs
Polini Variator
#95 Main Jet
Purple Malossi Contra Spring
42 MPH on the flats with the wind

gnvernon

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Re: Increasing performance on 2012 super 8
« Reply #27 on: July 08, 2014, 04:04:20 PM »
^^^I had the same question. Bettin what PSI do you run on your kymco?
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Chris0381

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Re: Increasing performance on 2012 super 8
« Reply #28 on: July 08, 2014, 04:16:08 PM »
I am reading that people blow their belts if using too high of a PSI Contra Spring. So what is the stock spring in PSI ?
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2013 Super 8 50cc 2T Air Cooled Mfg'd 2012
Stock pipe derestriction
Smooth Boss
6.5gm Dr Pulley sliders
Malossi Torsion Controller
Malossi Fly Clutch- yellow springs
Polini Variator
#95 Main Jet
Purple Malossi Contra Spring
42 MPH on the flats with the wind

gnvernon

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Re: Increasing performance on 2012 super 8
« Reply #29 on: July 08, 2014, 05:04:00 PM »
I would have to guess around 1000. Does anyone know what dimensions the stock rollers are?
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