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2008 Zhenjiang Summit Hauw HY150T-5
Posts: 144
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Joined: Aug 31, 2011 12:02:04 GMT -6
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Post by silverfox96 on Sept 24, 2011 7:21:21 GMT -6
That's about the only advantage to living in Indiana! No inspection to deal with.
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08 roketa special edition 150
Posts: 234
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Joined: Sept 18, 2011 10:15:26 GMT -6
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Post by roketafan on Sept 24, 2011 16:54:30 GMT -6
one thing i do recomend is use steel rivets not alum ones ,i have drilled a few and expermented ,my 150 roketa has five 1/4 holes in the end of a 14'' stock muffler off a 50cc scoot ,works great runs 70 on a flat run with a perf cdi and air filter
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Joined: Jul 3, 2019 10:28:50 GMT -6
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Post by p3dro11lk123 on Jul 3, 2019 10:31:40 GMT -6
I made my buddy 125 sound amazing by drilling a 5/8 hole directly into the exhaust outlet on the end of the muffler and 4 11/32 holes in a row on the middle of the muffler facing the ground, and one at the end next to the header.
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Post by crwford on Jul 6, 2019 9:57:36 GMT -6
do they really have emission tests on scooters ? or motor cycles
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Posts: 15 
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Joined: Jul 30, 2019 19:00:44 GMT -6
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Post by tommikene on Aug 12, 2019 18:53:39 GMT -6
Some states like NY don't have inspection on 50cc. They are registered as limited use and are not supposed to go over 30MPH. I would put big bore kit in and with that open the intake a little and re-jet the carb.Should gain ~10-15 MPH, no mods to muffler needed.
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