Yamaha YZ250X 2023 Owner's Manual

FRONT FORK4-21NOTICEECA24560Allow the damper assembly to slide slowlydown the inner tube until it contacts the bot-tom of the inner tube. Be careful not to dam-age the inner tube.25.Loosen:• Rebound damping force adjuster “1”TIP• Before loosening the damping force adjuster,record the setting position.• Unless the damping force adjuster is fully loos-ened, correct damping characteristic cannot beobtained after installation.26.Install:• Damper adjusting rod “1”• Copper washer “2”• Adjuster “3”(to the damper assembly “4”)TIP• While compressing the inner tube “5”, set thecap bolt ring wrench “7” between the inner tubeand locknut “6”.• Fully finger tighten the adjuster onto the damp-er assembly.27.Measure:• Gap “a” between the adjuster “1” and thelocknut “2”Out of specification  Retighten and readjustthe locknut.TIPIf it is installed with a gap out of specification,correct damping force cannot be obtained.28.Tighten:• Adjuster (damper assembly) “1”TIPHold the locknut “2” and tighten the adjuster.Cap bolt ring wrench90890-01501Cap bolt ring wrenchYM-01501121NewGap “a” between the adjuster andthe locknut0.5–1.0 mm (0.02–0.04 in)Adjuster (damper assembly)29 N·m (2.9 kgf·m, 21 lb·ft)12aT R. .