PGO Trex, rodoshow etc, 2 stroke 49cc http://www.scooterunderground.ca/knowledge/manuals/documents/TRex_50_Part1.pdf
generic chinese scooter manual http://www.chinesescooterclub.co.uk/tech_docs.htm note there is info here on derestricting baotian 50s.... basically it's the usual cut the pink wire on the cdi, raise the carb needle, remove the variator washer and fit lighter rollers. wil add more tips if folk want to know lots of scooter manuals on dansMC http://www.dansmc.com/shopmanual2.htm including puch maxi, aprillia sr50 and others. will add more as i find them
excellent cheap site for tuning parts for the minarelli & baotian engines.... http://gy6-motor.de/...idler-smc-f100/ and heres another for the 4 bangers... i just made my first (of many) order.... http://4takt-shop.de/Tuning_c1121_x1.htm
