ScootDawg Scooter Forum - weights for 100cc bbk kit

millsc
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weights for 100cc bbk kit
« Thread Started on Aug 7, 2012, 8:42pm »

what size weight should i use for 100cc kit 83cc i have 4.5 in now worked great when it was a 50cc should i go up in weight now im almost 200lbs

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tapout scoot
24mm carb 150cc intake
performance exhaust A9 cam
hoca big valve head 16/50 gears orange coil&cdi
9.25 sliders koso variator performance clutch 1.5k torque spring uni filter
2012 vip cy50a s110cc big bore kit 52mm "88cc"
107 main jet 35 idle http://www.testedscooterparts.com/

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Re: weights for 100cc bbk kit
« Reply #1 on Aug 7, 2012, 9:22pm »

Definitely, I noticed my bike runs much better with 5g weights in now instead of 4.5g and thats with a 72cc kit, so you should probably go to 5/5.5/6 grams. But it really just depends if you hear your engine revving too high thats how you know if you need heavier weights.

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meitianman
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Re: weights for 100cc bbk kit
« Reply #2 on Aug 7, 2012, 10:38pm »

a bbk will change the torque curve so it generates its peak torque at a lower rpm. ive been running 6.5 gram for almost 20k miles and they seem to fit the bbk well.

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2007 meitian mt50qt-13b
72cc bbk
6.5 gram sliders
22mm carb
unifilter
91 main jet
Brigs and Stratton exhaust baby!!
modified cvt case
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prelude2fast
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Re: weights for 100cc bbk kit
« Reply #3 on Aug 7, 2012, 11:16pm »

I'm running 8g rollers on my 100cc kit... Runs alot better than the 6g sliders..

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'08 Jonway YY50QT-6 83cc
50mm BBK
NGK Iridium plug
Uni Pod Filter
Unrestricted C.D.I
aftermarket coil
full exhaust
Hoca Transmission kit with 1K torque spring and 8G Hoca roller weights
'08 Baja SC50 project bike
[image]

millsc
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Re: weights for 100cc bbk kit
« Reply #4 on Aug 7, 2012, 11:17pm »

so get heavier sliders?

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tapout scoot
24mm carb 150cc intake
performance exhaust A9 cam
hoca big valve head 16/50 gears orange coil&cdi
9.25 sliders koso variator performance clutch 1.5k torque spring uni filter
2012 vip cy50a s110cc big bore kit 52mm "88cc"
107 main jet 35 idle http://www.testedscooterparts.com/

prelude2fast
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Re: weights for 100cc bbk kit
« Reply #5 on Aug 7, 2012, 11:28pm »

I did.. It ran ok with the 6g but a ton better with the 8g

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'08 Jonway YY50QT-6 83cc
50mm BBK
NGK Iridium plug
Uni Pod Filter
Unrestricted C.D.I
aftermarket coil
full exhaust
Hoca Transmission kit with 1K torque spring and 8G Hoca roller weights
'08 Baja SC50 project bike
[image]

millsc
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Re: weights for 100cc bbk kit
« Reply #6 on Aug 7, 2012, 11:30pm »

how much you weigh was thinking 7gram since i weigh almost 200lbs

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tapout scoot
24mm carb 150cc intake
performance exhaust A9 cam
hoca big valve head 16/50 gears orange coil&cdi
9.25 sliders koso variator performance clutch 1.5k torque spring uni filter
2012 vip cy50a s110cc big bore kit 52mm "88cc"
107 main jet 35 idle http://www.testedscooterparts.com/

prelude2fast
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Re: weights for 100cc bbk kit
« Reply #7 on Aug 7, 2012, 11:31pm »

I weigh right at 200lbs also.. Mine ran amazing with 6g before the bbk.. I'm thinking about getting 9g sliders, for it now

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'08 Jonway YY50QT-6 83cc
50mm BBK
NGK Iridium plug
Uni Pod Filter
Unrestricted C.D.I
aftermarket coil
full exhaust
Hoca Transmission kit with 1K torque spring and 8G Hoca roller weights
'08 Baja SC50 project bike
[image]

millsc
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member is online

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tried it, been there done that save some money

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Re: weights for 100cc bbk kit
« Reply #8 on Aug 7, 2012, 11:32pm »

i weigh 190so maybe 8gram

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tapout scoot
24mm carb 150cc intake
performance exhaust A9 cam
hoca big valve head 16/50 gears orange coil&cdi
9.25 sliders koso variator performance clutch 1.5k torque spring uni filter
2012 vip cy50a s110cc big bore kit 52mm "88cc"
107 main jet 35 idle http://www.testedscooterparts.com/

millsc
Great Big Guru Dawg

member is online

[avatar]

tried it, been there done that save some money

Joined: May 2012
Gender: Male

Posts: 2,958
Location: saint joseph,missouri

Re: weights for 100cc bbk kit
« Reply #9 on Aug 7, 2012, 11:43pm »

or 9 grams with a dr pulley variator

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tapout scoot
24mm carb 150cc intake
performance exhaust A9 cam
hoca big valve head 16/50 gears orange coil&cdi
9.25 sliders koso variator performance clutch 1.5k torque spring uni filter
2012 vip cy50a s110cc big bore kit 52mm "88cc"
107 main jet 35 idle http://www.testedscooterparts.com/

prelude2fast
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Re: weights for 100cc bbk kit
« Reply #10 on Aug 8, 2012, 4:20am »

maybe.. I have the hoca variator.. I'm thinking about going to 10gram sliders, or 9g sliders.. Haven't made up my mind yet..

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'08 Jonway YY50QT-6 83cc
50mm BBK
NGK Iridium plug
Uni Pod Filter
Unrestricted C.D.I
aftermarket coil
full exhaust
Hoca Transmission kit with 1K torque spring and 8G Hoca roller weights
'08 Baja SC50 project bike
[image]

treiff86
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Re: weights for 100cc bbk kit
« Reply #11 on Aug 8, 2012, 12:01pm »

i had 6g ones.. im about 160, rode great! lost about 5mph total tho from the 8g weights.. i was shooting off the front line tho, which is what i prefer.. acceleration over a top speed.. its all preference tho i guess.

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