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Post by wh on Jun 14, 2008 13:01:15 GMT -5
Is there an advantage other than about 1 horsepower to getting the gy6b versus gy6?
Is the b harder to find parts for if you needed to work on it? Is the b any "tougher"?
Is the gas mileage about the same?
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Post by vonspyder on Jun 14, 2008 13:01:50 GMT -5
ive been wondering that myself.
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Post by jackthefuzz on Jun 14, 2008 13:37:50 GMT -5
gy6B is used primarily in gy6 powered ATV's. It uses a wider rectangular cylinder bolt pattern. this allows 175cc GY6 based engines to be produced. it also has a revised oiling system allowing a oil cooler to be installed on the pressure side of the oil pump. Other than the cylinder and head, because of cylinder stud spacing, all other gy6 parts will fit it
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Post by gy6rocket on Jun 14, 2008 20:26:07 GMT -5
The cam is also different, it will not accept the aftermarket cams, according to sussex a gy6b owner.
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Post by johnnymoped on Oct 2, 2011 19:50:35 GMT -5
anyone know where i can find a new piston and head for a gy6-b?
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Post by scot4free on Oct 2, 2011 22:40:36 GMT -5
I have a gy6B Head on ebay, brand new with valves in it.
Item 140612504537.
I have read the cam is a HP cam from the factory, so you'd have to be sure an upgraded one would actually benefit power.
I have read what Jackthefuzz posted and have seen the same info.
I put a aftermarket muffler on and did gain about 3-5 mph top and it simply sounds happier.
Next up is airflow and re-jetting. When I ride it with the better muffler, it really sounds and feels like it is begging for fuel and air.
I have a 16" Phoenix/Cadenza/Znen zn150t-18
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Post by johnnymoped on Oct 7, 2011 22:25:33 GMT -5
where did you find this part i need to find a piston/cylinder kit for my size scoot
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Post by TERRA NUVO on Oct 8, 2011 7:27:26 GMT -5
may be wrong I have a qmk-3 180 cc just below my cc is the gy6 -b both are sold at BMS motor parts cheap china bike qmk-3 engine is 900.00 ....seems as things get better over there the prices get worse. but i have zero problem 9000 miles on mine. scot4free interesting as BMS only sells xingyue and Znen if you wanna go places put a teaspoon of boric acid in the oil scootdawg.proboards.com/index.cgi?board=tipsandtricks&action=display&thread=43259&page=4 |
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Post by sprocket on Oct 8, 2011 11:48:07 GMT -5
The B engines are different in the rear gear train.. you can see the differences here...they are for 16" wheels The cases are wider and there are different internals Look at the rear axle and CVT Attachments:
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