How do you get a Penterra 49cc to go faster if 1500 and 2500 jets did not work?

Can you fit a center stand to a virago 535? How fast will a Yamaha blaster go? What carburetor fits a Tecumseh ohh60 engine? How fast can a 4 stroke 40 cc dirt bike go? What is the horsepower of a 2003 Yamaha roadstar 1600? Would 100mm wheels on a pro model scooter 98mm is the real wheel? Is a Polaris rzr 570 2013 a good machine? How do you repair lawnmower too high idle? Why won't a 1980 skidoo citation idle or stay running? I recently rode my XL883 custom Harley - now it won't start - what should i check? How hard would it be too drive a dirt bike with no legs? How much oil goes in primary case on 2005 sportster? What weight oil to use in a 1993 yamaha tw200? How do you remove head on 1987 Kawasaki 300? How much horse power does the 2013 Harley CVO 110 motor produce? How do you downshift a motorcycle? How much is insurance on a bike for a teen? Difference between suzuki rm 85 and rm85l? What other words that mean road? How do you know if head gasket is blown on air cooled?