hi, i have a 07 people 125 s. 1600 miles and the red one.
when i got it with 1000 miles it would'nt go over 45 mph.
running way too rich, main jet was #114, plug black.
next jet was #105,running better ,top speed 52 mph.
final jet was #98, now it runs 60-62 mph. plug nice brown.
i weigh 230 and alt. is 4300 ft. in n.m.
i can now change main jets in 20 mins or less. see yea, ike