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Post by ital on Jul 31, 2015 15:39:10 GMT -5
Hi All,
does anyone know if I can use the DR Pulley variator or NCY Variator on this type of transmissions? would it be a direct bolt on?
I did some research and there is a monster transmission on the BN157QMJ with 16 Wheels, I definetly do not have that, thus I am thinking that the standard variator for the 157QMJ would work. Can anyone confirm?
thank you - Luigi
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Post by horace on Jul 31, 2015 17:01:37 GMT -5
I would suggest calling the parts dealer/seller for verification.......
The "China Standard" is a bit varied even from the same factory...
GOOD LUCK!!!!!
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Post by ital on Jul 31, 2015 23:58:54 GMT -5
I did call but they seemed puzzled. Anyway it does seem it fits. Just installed the ncy variator and seems to work very well where the hoca one I had was giving me issues. Check my video below  |
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Post by rcq92130 on Aug 1, 2015 0:17:47 GMT -5
This is probably just a standard GY6 (if there really is such a thing... so many variations exist.)
You can pull the valve cover and measure the spacing between two adjacent cylinder studs to determine whether it's a B-case or not. An A-case GY6 (the most common) has 54mm stud spacing and can accommodate up to a 63mm piston, which limits them to 187cc (with a stroker crank.) A B-case has 57mm stud spacing and can accommodate a 67mm piston and be stroked up to 232cc.
If you have a normal GY6 150 then most probably yes. I have a 10" wheeled retro scoot (150cc) and have a 117mm Br Pepper variator.
That said - you should speak with GEH. I am not thrilled with the Dr Pulley variator; GEH has gone thru a bunch of different brands (run from KOSO) and has finally found one he thinks is superior.
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Post by rcq92130 on Aug 1, 2015 0:23:02 GMT -5
Your video makes me think your case is a standard GY^ case - same short case I have, even down to the gearbox breather tube. I see you also gave the deep 6 to the kickstarter. I wonder if anyone has ever gotten those things to work properly!
A note: Careful of your brake cable. It's sitting right above the variator and is at risk of being chewed up. Zip tie it out of the way when you ahve the case cover off.
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Post by ital on Aug 1, 2015 9:20:05 GMT -5
It is probably a standard gy6. Definetly not a B case. I have installed the ncy 61mm bbk with no issues. I just ran into issues with my after market variator recently and someone mentioned to check if I had a bn engine as it could be different
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