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150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum |
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#1
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Valve clearance?
Does anyone know the correct valve clearance for the gy6 150? Is the "A" version spec the same as the "B" version? I've searched several sites and the specs are all different.
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#2
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according to my manual
.003 to .005 inch on both valves for tomberline punisher olderthan
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olderthan 2008 tomberline punisher 1500 spring 12g sliders 30mm cv pumper carb uni filter no rev cdi polaris xlt snowmobile shocks for front w/550 magnum springs & blaster fronts on rear and another buggy built working on mods gk-13 white spring 17 gram sliders so far |
#3
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my manual says .003 to .004 i set both my valves at .005
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asw carbide 1500 main and clutch springs HP clutch and bell koso variator performance cdi uni redneck intake fmf exaust 9gram rollers 39 tooth sprocket 140main and 40 pilot jet |
#4
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I guess, since I have a Carbide too, it would be the same on mine too?
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-JoshMy Ride: ASW Carbide Mods: Dr. Pulley Hit Clutch FMF Slip-On Exhaust No Rev. CDI Uni Air Filter 130 Main jet 1500 RPM main clutch spring 11g sliders 75w Halogen Headlights CARBIDE! |
#5
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Thanks for the replies.
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#6
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The gy6 valve specs should be .003" intake and .005" exhaust. These are the best clearances I found to give top performance. TOM
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#7
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I have read the manuals and some engg books, Most of all suggest .003 to .004 is good, some also suggest that it should be .001 for best results, you can look for what suites you best.....
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