hi any answers my gilera runner vx125 it has all of sudden started to struggle when accelerating as if there is a problem with a blockage or something when i pull throttle backit is very sluggish to set off and takes ages to build up any speed wheras before it was very nippy and had no problems it is a 4 stroke PLEASE HELP

CARL, April 2007

what are you all on about the ovious thing to check is to make sure the spark plug isnt damaged or fowled

chris, November 2007

try changing the rollers like for like as is the most common problem.you will know if this is the problem if the rollers look flatted or worn, also check to see if the variator ramps are worn. hope this helps.

gilera dan, July 2007

change your rollers cam chain and crank seals

vx 210, June 2007