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Post by thxcuz on Jan 24, 2017 22:43:43 GMT -5
As I mentioned in another post I have aquired a 150cc scooter The number on the engine is 157qmj it has larger wheels, 16 inches I guess. I need a head for it, I'm afraid it's a gy6b engine and I'm a bit confused about the difference. First off here is the valve cover  I'm a little confused about those two holes. Is that how it bolts on? The gy6b head they sell at scrappy has a standard bolt patern. |
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Post by FrankenMech on Jan 24, 2017 23:45:55 GMT -5
Those are for the twin COP spark plugs.
Sorry I really don't have any real idea. Maybe they are for those rubber plug type valve cover bolts they use on many auto engines. Are there matching studs on the heads or just bolt holes?
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Post by thxcuz on Jan 24, 2017 23:48:51 GMT -5
It looks like it's from a gy6b 200cc
So I guess that's the head I need to buy.
I knew this was too good to be true
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Deleted
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Post by Deleted on Jan 25, 2017 10:27:48 GMT -5
There are 2 different styles of head/valve covers for the "GY6B"
Could you rebuild your original head?
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Post by thxcuz on Jan 25, 2017 10:41:24 GMT -5
That was the only thing missing.
I'm doing more research and I'm gathering more info. I believe scrappy has the head.
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Post by tortoise2 on Jan 25, 2017 10:42:01 GMT -5
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Post by badpumpkin on Jan 25, 2017 19:02:34 GMT -5
Partsforscooters, get a micrometer, and compare measurements. I got my head from them and it is spot on.
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Post by joshua864 on Jan 25, 2017 21:43:51 GMT -5
Get in touch with someone who sells taida parts that specialize in the b case gy6 you can build them up to 232cc or with Yamaha top end on they gy6 can go like 284cc. Gy6performance.com David Bullock
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Post by thxcuz on Jan 26, 2017 8:15:17 GMT -5
Bluefront lives in my area apparently. Unfortunately scootdawg is no longer a working forum and I don't know how to contact him. |
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Post by pinkscoot on Jan 26, 2017 11:36:19 GMT -5
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Post by 90GTVert on Jan 26, 2017 11:38:33 GMT -5
Bluefront is deceased, so it won't do you much good to go looking for him.
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Post by Deleted on Jan 26, 2017 11:50:47 GMT -5
GY6B scooters and GY6B cases have different meanings. Generally the GY6B scooter as in this thread uses the same cylinder as a regular GY6, standard stud spacing. The GY6B cases such as the SSPG kit and Taida cases use the larger stud spacing. GY6B scooters use the 16" rims ^^^^as I understand it. thxcuz you could probably find some alternate bolts to fasten the valve cover, I coudnt find anyone selling them. 1 bolt a washer and maybe two nuts jammed together may work. |
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Post by thxcuz on Jan 26, 2017 11:50:53 GMT -5
Bluefront is deceased, so it won't do you much good to go looking for him. Well that's a shame. |
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Post by thxcuz on Jan 26, 2017 11:52:52 GMT -5
GY6B scooters and GY6B cases have different meanings. Generally the GY6B scooter as in this thread uses the same cylinder as a regular GY6, standard stud spacing. The GY6B cases such as the SSPG kit and Taida cases use the larger stud spacing. GY6B scooters use the 16" rims ^^^^as I understand it. thxcuz you could probably find some alternate bolts to fasten the valve cover, I coudnt find anyone selling them. 1 bolt a washer and maybe two nuts jammed together may work. I have the valve cover bolts. Just not the head. They are weird looking bolts. |
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Post by thxcuz on Jan 26, 2017 11:54:52 GMT -5
Oh, ok. I'm on that forum. Doesn't do me much good now that I've learned the guy I was looking for has died. |
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