61mm BBK and 3mm stroker, Piston hitting head

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61mm BBK and 3mm stroker, Piston hitting head by: doublert - Apr 29, 2014 19:56:09 GMT -5 doublert likes this

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Post by doublert on Apr 29, 2014 19:56:09 GMT -5

So, we just figured out that my piston was hitting the head? Can I double up on the head gaskets for a fix?

2012 Peace sports Dash 150 26mm carb, no adj. needle 112.5 Jet
Taida 61mm Big Bore Kit
4mm Crankshaft
92 link timing chain w/ modified adjuster
NCY Big Valve Head
A10 Camshaft
OKO high torque starter
Taida starter clutch gear
NCY decompression tube
26mm adj. carb
custom air intake K&N
Mikuni fuel petcock
OML Platinum coil/wire Yellow
NGK iridium plug
Two Bros. Racing Exhaust
Koso 115 Variator
13g Koso Sliders - NCY bell and Torque

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61mm BBK and 3mm stroker, Piston hitting head by: jjoshua20213 - Apr 29, 2014 21:03:08 GMT -5

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Post by jjoshua20213 on Apr 29, 2014 21:03:08 GMT -5

Yea, its commonly done for 52mm bbk's for the 139qmb. Just base gasket, not head . Never tried but I reckon it woud leak too much compression

Read more: itistheride.boards.net/thread/5802/61mm-stroker-piston-hitting-head#ixzz30KagL6fq

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

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61mm BBK and 3mm stroker, Piston hitting head by: doublert - Apr 30, 2014 16:20:13 GMT -5 via mobile jjoshua20213 likes this

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Post by doublert on Apr 30, 2014 16:20:13 GMT -5

My NCY piston and cylinder walls were scuffed from where the wrist pin wore out, so taking the NCY out and replacing it with the Taida 61BBk, it apparently has already shipped out from scooter elements, so I'll keep everyone informed how its coming along.

2012 Peace sports Dash 150 26mm carb, no adj. needle 112.5 Jet
Taida 61mm Big Bore Kit
4mm Crankshaft
92 link timing chain w/ modified adjuster
NCY Big Valve Head
A10 Camshaft
OKO high torque starter
Taida starter clutch gear
NCY decompression tube
26mm adj. carb
custom air intake K&N
Mikuni fuel petcock
OML Platinum coil/wire Yellow
NGK iridium plug
Two Bros. Racing Exhaust
Koso 115 Variator
13g Koso Sliders - NCY bell and Torque

61mm BBK and 3mm stroker, Piston hitting head By doublert (Read 497 times)

Post by doublert on Apr 29, 2014 19:56:09 GMT -5

Post by jjoshua20213 on Apr 29, 2014 21:03:08 GMT -5

Post by doublert on Apr 30, 2014 16:20:13 GMT -5

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