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07-12-2016, 12:10 AM | #3 |
Join Date: Feb 2014
Location: las vegas
Posts: 100
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Also some big bore kits have a piston that sits entirely too high, seen in a lot or mortch and growsun pistons, once the connecting rod heats up and expands the piston actually starts hitting the head, if you have this problem you would hear a pinging and instantly lose power, took me over 2000 bore kits and 5 years to find a good brand that wouldn't do this. Are you sure the valves are adjusted right, and adjusted TDC AFTER the compression stroke?
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2012 Jonway X 44mm Hoca crank 52mm Hoca big bore MMS big valve head raised ports, polished, milled .023 Hoca 26mm carb NCY titanium valve springs NOS wet nitrous system Holley fuel pump MMS variator Naraku CDI HT coil 4' Wheelie bar MMG stainless slip-on exhaust NGK "11" spark plug UNI filter 2014 Icebear Maddog too much to list http://mmsscooters.com |
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