Ive recently been converted to using these serving kits as you get everything and save on postage
bargain prices too .
Buy Yamaha YBR 125 service kits here on Ebay uk
or try here for price comparison here Amazon UK
THE CONTENTS OF THE KIT WILL INCLUDE.....
SILKOLENE SUPER 4 10W-40 OIL (ENOUGH FOR ONE OIL CHANGE)
1 X HIFLO AIR FILTER
NGK SPARK PLUGS