<HTML>MY MOPED HAS NOW DIFFICULTIES REACHING TOP SPEED OF 30MPH. ACCELERATION IS ALSO NOT WHAT IT USED TO BE. IT HAD A NEW EXHAUST ABOUT 2000MILES AGO AND WAS DE-COKED AT THE SAME TIME.
LOOKING AT THE END OF THE EXHAUST IT LOOKS A BIT OILY. IS IT NORMAL TO NEED TO DE COKE AN EXHAUST AND CYLINDER HEAD THIS OFTEN, CONSIDERING I ONLY USE THE MOPED TO DO 10 MILE TRIPS WHICH HEATS THE ENGINE SUFFICIENTLY?
IS THE OIL MIX ADJUSTABLE?</HTML>