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 the new Stage6 Sport Pro Mark II cylinder kit 
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Post the new Stage6 Sport Pro Mark II cylinder kit
dynographs & pics of the new kit

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the new kit now features a head with the combustion chamber that is recessed into the bore which give better sealing & the chamber is centered over the piston giving more accurate squish settings.

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Overrev Tuning

Yamaha Aerox R
MHR Team 6T 70cc (max tuned) + MHR Team Crank + SKF 6204 TN9 C3 bearings + Malossi VL12 reedvalves + Yasuni C21 exhaust pipe + Keihin PWK28 carb + PVL digital inner rotor ignition + Polini Evo SS9 vario kit + Bando belt + Polini 128mm rear pulley + Malossi red vario spring + Malossi Torsion Controller + MHR black clutchsprings + Delta clutch + Wing bell+ Polini 15/42 gear kit + Malossi RS24 rear damper + Bridgestone Racing Battlax tires + Aprilia rally 12" wheels

my "humble" trackday toy, 90+mph.


Thu Jul 07, 2011 10:40 pm
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
is this a kit that uses the standered crank or do you need a stroer crank

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2008 zuma dual headlight mod koso mirrors liquid cooled polini corsa kit leo vince zx stage 6 variator rally kit custom red paintFUEL INJECTEDsoon to be 100cc
2008 stella olive custom ported 177 cc kit dechromed ford tear drop tail light alive and breathing and awaiting cosmtic surgery thanks to an donkey hind quater hole cager
1985 elite 150 how long can i leave it stock


Fri Jul 08, 2011 4:04 am
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
Wow. :wth: What an improvement over the MKI. Is it available in the states yet?

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2001 ZUMAII - Tires TBD
Motor #1(2008) R.I.P this listed configuration, for it breaths new life under the rule of a new King...ENJOY NICK B!!!: Athena Sport BBK, Ported case, Power 1 HPC crank, Yasuni City16 (fully derestricted), Stage 6/Mototassinari V-Force 3 reed cage, OKO 24mm flatslide carb, S6 R/T rear facing manifold, running pre-mix, S6 BIG filter,Malossi drive face, lightened flywheel, Lightened Athena vario - (22.5g), S6 R/T WingCooler Bell, NCY TD, Malossi Delta clutch 107mm- 8K engagement, Malossi red Contra w/Malossi Torsion Controller.

Motor #2(2005): To be built.....ported cast iron 48mm bore, 41.4mm stroker crank, Ported case..(the rest of the following I don't have 2 of each...this stuff is coming off the 2008 motor) Yasuni City16 (fully derestricted), Stage 6/Mototassinari V-Force 3 reed cage, OKO 21mm flatslide carb, S6 R/T rear facing manifold, running pre-mix, S6 BIG filter, lightened flywheel, Lightened Athena vario, S6 R/T WingCooler Bell, NCY TD, Malossi Delta clutch 107mm- 8K engagement, Malossi red Contra w/Malossi Torsion Controller, Athena 15/50's for 12:1 ratio


Fri Jul 08, 2011 6:51 am
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
A few stupid questions (sorry):

- Which line is what?

- Does that relate to reality, or is it just on the bench - i.e. does it really make all its power between 9-14K?

- I assume "Sport Pro" means "for scooters being ridden on the track for sport," right?

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'05 Zuma 50, Athena 70cc with Polini head (.9 squish), B9ES spark plug; Leo Vince HM 70 pipe, silencer from ZX-R (matches perfectly); stock airbox no snorkel, 5 x 1/2" holes; Stage6 21mm racing PHBG, 45/95/W7 1 lean/40 slide; Polini/Power One 12mm HPC crank; Athena 50/15 helical gears, 12.22:1; 107mm Malossi Delta clutch, ± 5800 RPM engagement, Stage6 Kupplungsglocke; Malossi Overrange kit red contra and 39.6G; VForce 3 reeds; Michelin Bopper tires; dual headlight wiring; C3 mirrors; Trailtech TTO tachometer and temp gauge.


Fri Jul 08, 2011 11:38 am
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
That's quite an improvement! :q:

But, it doesn't even get close to peak torque until 9.5K RPM? Wow.

Do you know what the rest of the test machine setup was for these dyno runs?

Any idea if they're doing a MKII for the air cooled cylinder as well? I was planning on picking up an AC S6 Sport Pro kit for this winters project.


Fri Jul 08, 2011 1:43 pm
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
Ah, I zoomed in and see which is which.

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'05 Zuma 50, Athena 70cc with Polini head (.9 squish), B9ES spark plug; Leo Vince HM 70 pipe, silencer from ZX-R (matches perfectly); stock airbox no snorkel, 5 x 1/2" holes; Stage6 21mm racing PHBG, 45/95/W7 1 lean/40 slide; Polini/Power One 12mm HPC crank; Athena 50/15 helical gears, 12.22:1; 107mm Malossi Delta clutch, ± 5800 RPM engagement, Stage6 Kupplungsglocke; Malossi Overrange kit red contra and 39.6G; VForce 3 reeds; Michelin Bopper tires; dual headlight wiring; C3 mirrors; Trailtech TTO tachometer and temp gauge.


Fri Jul 08, 2011 4:13 pm
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
beautiful kit

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2009 Yamaha Zuma 155 K2 pipe, 11 gr., RRGS shocks and variator
2009 Vespa GTS250i; Akra; Bitubo; Clauss
2009 Yamaha Zuma 125 11 gr., 1500 springs
2005 Yamaha Vino 70 AIRSAL, stock airbox and exhaust
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Fri Jul 08, 2011 4:32 pm
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
backinblack wrote:
Wow. :wth: What an improvement over the MKI. Is it available in the states yet?


No. According to the S6 forum, the first production batch will be out in August.

Here's the relevant thread:
http://www.scootertuning.de/stage6-deve ... rkits.html

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2008 BWs/Zuma. Athena 70cc sport cylinder, Athena racing crankshaft, Athena primary gears (11:1 total ratio), Athena variator with Polini front pulley (6x4.1g weights) , Athena belt, Stage6 Pro exhaust (Athena), Dell'Orto 19mm with Polini choke lever, Koyo high-speed main bearings, Polini 2G clutch, Boyesen reeds, stock airbox.


Sat Jul 09, 2011 8:07 am
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
jmkjr72 wrote:
is this a kit that uses the standered crank or do you need a stroer crank


it's for standard stroke 39.2mm cranks, depending on the pipe you may or may not have to change the stock crankshaft.

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Overrev Tuning

Yamaha Aerox R
MHR Team 6T 70cc (max tuned) + MHR Team Crank + SKF 6204 TN9 C3 bearings + Malossi VL12 reedvalves + Yasuni C21 exhaust pipe + Keihin PWK28 carb + PVL digital inner rotor ignition + Polini Evo SS9 vario kit + Bando belt + Polini 128mm rear pulley + Malossi red vario spring + Malossi Torsion Controller + MHR black clutchsprings + Delta clutch + Wing bell+ Polini 15/42 gear kit + Malossi RS24 rear damper + Bridgestone Racing Battlax tires + Aprilia rally 12" wheels

my "humble" trackday toy, 90+mph.


Sat Jul 09, 2011 8:58 am
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
Looking at the Photos, Looks like it is more like S-6 race than sport. bridged exhaust port, The intake ports are huge, in comparison to a MK-I. They don't show you a piston. Then Again this a LC.

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Stage 6 Street Race/12mm Piston,.08 Sq, Stage 6 HPC 12mm Crank, Polini C-3 Race Brg. MVT Inner Rotor, Leo Vince GP, TNT- Adj- Inj Pump / Y-Plate, Elf Moto 2XT, Malossi Over-Range Var-38.5 Slider's,Torque Boost Rear Pulley & Stage 6 k-belt, S-6 Blk Soft Contra, DR HIT Clutch,yellow/no pillow. + STG 6 433 Bell, 15-50 Up Gear, Moto Tassinari VF3 Reedcage, Clone-Blk 21mm, MJ #-94,PJ#42, W-7 2nd , 45*Slide, OEM Airbox , Snorkle out, 5 vents, Side Stand, Daytona Style Alloy Wheels, WD Torsion Arm, Stage 6 R/T Multimeter, Strt-8-HD Fan Trimmed + Air Scoop 50cc Fan Housing, Frt - Pirelli - SL 26 - 120/90/10, Rear- Shinko - 160/70/12, Frando Racing / 5DV-001 Ceramic Rear Brks


Sat Jul 09, 2011 1:01 pm
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
yeah its lc so the port timings are going to be a bit more aggressive but overall it will be similar for those of you that are ac

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2008 zuma dual headlight mod koso mirrors liquid cooled polini corsa kit leo vince zx stage 6 variator rally kit custom red paintFUEL INJECTEDsoon to be 100cc
2008 stella olive custom ported 177 cc kit dechromed ford tear drop tail light alive and breathing and awaiting cosmtic surgery thanks to an donkey hind quater hole cager
1985 elite 150 how long can i leave it stock


Sat Jul 09, 2011 1:57 pm
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
jni wrote:
backinblack wrote:
Wow. :wth: What an improvement over the MKI. Is it available in the states yet?


No. According to the S6 forum, the first production batch will be out in August.

Here's the relevant thread:
http://www.scootertuning.de/stage6-deve ... rkits.html



Gracias! Still gotta find a scoot to slam my S6 MKI Race AC on. Maybe an LC mini stroke with the MKII?

_________________
2001 ZUMAII - Tires TBD
Motor #1(2008) R.I.P this listed configuration, for it breaths new life under the rule of a new King...ENJOY NICK B!!!: Athena Sport BBK, Ported case, Power 1 HPC crank, Yasuni City16 (fully derestricted), Stage 6/Mototassinari V-Force 3 reed cage, OKO 24mm flatslide carb, S6 R/T rear facing manifold, running pre-mix, S6 BIG filter,Malossi drive face, lightened flywheel, Lightened Athena vario - (22.5g), S6 R/T WingCooler Bell, NCY TD, Malossi Delta clutch 107mm- 8K engagement, Malossi red Contra w/Malossi Torsion Controller.

Motor #2(2005): To be built.....ported cast iron 48mm bore, 41.4mm stroker crank, Ported case..(the rest of the following I don't have 2 of each...this stuff is coming off the 2008 motor) Yasuni City16 (fully derestricted), Stage 6/Mototassinari V-Force 3 reed cage, OKO 21mm flatslide carb, S6 R/T rear facing manifold, running pre-mix, S6 BIG filter, lightened flywheel, Lightened Athena vario, S6 R/T WingCooler Bell, NCY TD, Malossi Delta clutch 107mm- 8K engagement, Malossi red Contra w/Malossi Torsion Controller, Athena 15/50's for 12:1 ratio


Sat Jul 09, 2011 7:09 pm
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
Am I mistaken or does that say on the upper right "S6 Sport AC"? Maybe the dyno is for an air cooled version?


Sat Jul 09, 2011 8:29 pm
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
buguy wrote:
Am I mistaken or does that say on the upper right "S6 Sport AC"? Maybe the dyno is for an air cooled version?


Wondering the same...


Sun Jul 10, 2011 3:38 am
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Post Re: the new Stage6 Sport Pro Mark II cylinder kit
Yes, the dyno graphs posted on the S6 forum are for the AC versions; one is for the sport cylinder, the other one for the race cylinder, both tested with a with a (race) R1200 exhaust. Here is the link once again:

http://www.scootertuning.de/stage6-deve ... rkits.html

The photo, however, is of a WC cylinder.

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2008 BWs/Zuma. Athena 70cc sport cylinder, Athena racing crankshaft, Athena primary gears (11:1 total ratio), Athena variator with Polini front pulley (6x4.1g weights) , Athena belt, Stage6 Pro exhaust (Athena), Dell'Orto 19mm with Polini choke lever, Koyo high-speed main bearings, Polini 2G clutch, Boyesen reeds, stock airbox.


Sun Jul 10, 2011 10:08 am
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