Lightweight, quick and easy to maintain, the YZ125 is a perfect transition for those too big for 85's but too small or inexperienced for bigger, more powerful 4-strokes.ENGINE:ENGINE2-stroke, liquid-cooled, crankcase reed-valve, singleDISPLACEMENT125 ccBORE AND STROKE54.0 x 54.5 mmCOMPRESSION RATIO8.6~10.7:1FUEL DELIVERYMikuni TMX x 38IGNITION / STARTINGCDI / KickTRANSMISSION6-speedFINAL DRIVEChainCHASSIS:SUSPENSION (FRONT)Adjustable 48 mm inverted fork / 300 mm (11.8'') wheel travelSUSPENSION (REAR)Fully adjustable link Monocross / 315 mm (12.4'') wheel travelBRAKES (FRONT)250 mm floating disc / twin pistonBRAKES (REAR)245 mm disc / single pistonTIRES (FRONT)80/100-21TIRES (REAR)100/90-19CRITICAL DATA:LENGTH2,135 mm (84.1'')WIDTH825 mm (32.5'')HEIGHT1,295 mm (51'')WHEELBASE1,445 mm (56.8'')GROUND CLEARANCE365 mm (14.4'')SEAT HEIGHT975 mm (38.4'')FUEL CAPACITY8 litres (1.8 imp. gal)WET WEIGHT94 kg (207 pound)COLOURYamaha Blue