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03-27-2013, 09:53 AM
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#2 |
 
Join Date: May 2012
Location: missouri
Posts: 164
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The big VALVE head will improve performance, the big bore head with stock valves will just lower compression and decrease performance.
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B.A.M.F. tapout scoot 24mm carb 150cc intake performance exhaust A9 cam hoca big valve head 16/50 gears 9.25 gram dr pulley sliders koso variator 1.5k torque spring orange coil orange unlimted cdi uni filter gates premium belt 2012 taotao vip cy50a scrappys 110cc big bore kit 52mm "88cc" 100 main jet 38 idle iridium plug custom paint, leds and decals alarm system naraku hd crankshaft |
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03-28-2013, 04:17 PM
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#3 |
 
Join Date: Mar 2013
Location: los angeles
Posts: 43
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OK that is what I've been looking at the big valve head. another thing is they say to check the valve to piston clearance what do i do if it is too tight, if anything? or should i just throw it on and hope i'm lucky? what do you think?
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03-29-2013, 01:18 AM
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#4 |
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Join Date: May 2012
Location: missouri
Posts: 164
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use two base gaskets
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B.A.M.F. tapout scoot 24mm carb 150cc intake performance exhaust A9 cam hoca big valve head 16/50 gears 9.25 gram dr pulley sliders koso variator 1.5k torque spring orange coil orange unlimted cdi uni filter gates premium belt 2012 taotao vip cy50a scrappys 110cc big bore kit 52mm "88cc" 100 main jet 38 idle iridium plug custom paint, leds and decals alarm system naraku hd crankshaft |
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03-29-2013, 06:58 PM
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#6 |
Join Date: Aug 2012
Location: Muskegon, MI
Posts: 97
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I need one baddd
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03-30-2013, 11:42 PM
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#7 | |
Join Date: Oct 2008
Location: Mooresville In.
Posts: 7
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Quote:
You should always check for piston to vavle clearance
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2000 Aprillia- Stage6 Street Exhaust,MK Series Variator 2004 Vento- MRP 70cc,MRP Pipe,Malossi Variator 2005 Zuma- TPT 70cc ZX-R Malossi Variator 15/50 gears AntiSocial SC http://usascooterracing.com/ |
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03-31-2013, 01:36 AM
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#8 | |
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Join Date: Mar 2013
Location: los angeles
Posts: 43
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Quote:
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03-31-2013, 09:22 AM
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#9 |
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Join Date: May 2012
Location: missouri
Posts: 164
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I have two base gaskets on my 52mm kit with a9 cam and big valve head, i think if i used one the electric starter wouldn't start it, due to the compression
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B.A.M.F. tapout scoot 24mm carb 150cc intake performance exhaust A9 cam hoca big valve head 16/50 gears 9.25 gram dr pulley sliders koso variator 1.5k torque spring orange coil orange unlimted cdi uni filter gates premium belt 2012 taotao vip cy50a scrappys 110cc big bore kit 52mm "88cc" 100 main jet 38 idle iridium plug custom paint, leds and decals alarm system naraku hd crankshaft |
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