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06-25-2014, 11:59 PM | #1 |
Join Date: Mar 2014
Posts: 26
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Oil leak after 61mm big bore upgrade??!!!
I just installed a ncy 61mm kit and now I have oil leaks coming from the tensioner and the crankcase. I install a ncy decompression kit and I still have the same problem although it did help. What do i do??? I thought my taotao 150cc scooter could handle the extra cc's of my big bore Kit.
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06-27-2014, 10:38 AM | #2 |
Join Date: Mar 2014
Posts: 26
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Help someone. I'm still broke down. Why is there so much pressure building up n my case. The oil really starts leaking out at around 6000-7000 rpms
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06-27-2014, 05:06 PM | #3 |
Join Date: May 2014
Location: Redding, Ca
Posts: 70
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I am assuming you have an GY6150 If so it is very common for ther to be oil leaks at high rpms, you need to get a dip stick relieve kit and that should lower the built up pressure and relieve you of a few of your leaks.
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06-28-2014, 01:32 PM | #4 |
Join Date: Mar 2014
Posts: 26
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Ok i took everything apart I rearranged the piston rings and put my stock taotao 150cc head back on and so far it runs fine with no leaks. I have not had time to test drive it yet tho. The previous head was a 61mm with gold springs. When i took it apart I found out the intake valve was stuck open. How did this happen?
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