Which piston is better??? | It Is The Ride

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Which piston is better??? by: jjoshua20213 - Dec 27, 2013 0:48:41 GMT -5

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Post by jjoshua20213 on Dec 27, 2013 0:48:41 GMT -5

www.ebay.com/itm/Scooter-Big-Bore-Kit-100cc-50mm-Bore-QMB139-GY6-Scooter-Parts-kit-1-69mm-/321260000301?pt=Other_Vehicle_Parts&hash=item4acc96942d&vxp=mtr

www.ebay.com/itm/50cc-QMB139-GY6-50mm-100cc-BIG-BORE-KIT-Made-in-Taiwan-NOT-China-US-SELLER-/170948060522?pt=LH_DefaultDomain_0&hash=item27cd4c656a

Notice the valve markings on the Taiwanese piston are bigger and deeper than the first one. Would this make a difference. If so why?

What would you get?

2012 Tao Tao CY50-A
50mm BBK
20mm carb w/90main jet
8g Slider weights
Performance exhaust.
Free flow air filter
A9 Camshaft
Blue performance cdi.
NGK Iridium Spark Plug.
51mph top.Gps Verified

Over 50mph w/Casoli Cdi

wilds PM wilds wilds's Posts wilds's Threads Junior Rider Currently Offline Posts: 265 Likes: 38 Joined: Mar 1, 2013 6:45:03 GMT -5	Which piston is better??? by: wilds - Dec 27, 2013 1:26:57 GMT -5 Reply Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by wilds on Dec 27, 2013 1:26:57 GMT -5 The Taiwanese version would give a slightly lower compression since the valve markings are bigger... The other set comes with a cylinder head.
	Baotian 125T-2 175cc cylinder/Stroker crank (183CC)/Ported large valve cylinder head/EFI 28mm/ZV Camshaft/Oil Cooler/Xtreme V2" Racing Variator/Yellow clutch springs/Exhaust custom built by Akunar/Gear 18/37

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Which piston is better??? by: millsc - Dec 27, 2013 9:22:34 GMT -5 via mobile

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Post by millsc on Dec 27, 2013 9:22:34 GMT -5

www.ebay.com/itm/Chinese-Scooter-Big-Bore-Kit-100cc-50mm-Bore-QMB139-23-mm-Intake-Valves-/221239696272?pt=Other_Vehicle_Parts&hash=item3382e9db90 get this one

Gomoto ballistic taida 61mm big bore kit 3mm stroker 177cc ncy performance manifold flywheel scoop and hipro fan hipro coil koso variator 118mm racing drive face a12 cam Buford ported head ban jing clutch bell 15 gram sliders 1.5k torque spring ngk irridium spark plug dc cosoli cdi oml coil uni filter p&p exhaust performance clutch 1k clutch springs 26mm cvk carb 842- 20 -30 gates belt shark stereo 230cca battery taida starter pirelli sl26 tires taida starter clutch 17/36 gears