Yamaha WR250F Owner's Service Manual

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Contents

2-15TIGHTENING TORQUES1. First, tighten the steering ring nut approximately 38 Nm (3.8 m•kg, 27 ft•lb) by using the steering nut wrench, then loosenthe steering ring nut one turn.2. Retighten the steering ring nut 7 Nm (0.7 m•kg, 5.1 ft•lb).△ Relay arm and swingarm M14 × 1.5 1 70 7.0 50△ Relay arm and connecting rod M14 × 1.5 1 80 8.0 58△ Connecting rod and frame M14 × 1.5 1 80 8.0 58△ Rear shock absorber and frame M10 × 1.25 1 56 5.6 40△ Rear shock absorber and relay arm M10 × 1.25 1 53 5.3 38△ Rear frame (upper) M8 × 1.25 1 38 3.8 27△ Rear frame (lower) M8 × 1.25 2 32 3.2 23△ Swingarm and brake hose holder M5 × 0.8 4 2 0.2 1.4Swingarm and patch M4 × 0.7 4 2 0.2 1.4Upper drive chain tensioner M8 × 1.25 1 16 1.6 11Lower drive chain tensioner M8 × 1.25 1 16 1.6 11Drive chain support M6 × 1.0 3 7 0.7 5.1Seal guard and swingarm M5 × 0.8 4 6 0.6 4.3△ Fuel tank M6 × 1.0 2 9 0.9 6.5△ Fuel cock M6 × 1.0 2 4 0.4 2.9Seat set bracket and fuel tank M6 × 1.0 1 7 0.7 5.1Fuel tank bracket and fuel tank M6 × 1.0 4 7 0.7 5.1△ Air scoop and fuel tank M6 × 1.0 6 7 0.7 5.1△ Air scoop and radiator guard (lower) M6 × 1.0 2 6 0.6 4.3△ Front fender M6 × 1.0 4 7 0.7 5.1△ Rear fender (front) M6 × 1.0 2 7 0.7 5.1△ Rear fender (rear) M6 × 1.0 2 11 1.1 8.0△ Side cover M6 × 1.0 2 7 0.7 5.1△ Seat M8 × 1.25 2 23 2.3 17Multi-function display bracket and upper bracket M6 × 1.0 2 7 0.7 5.1Multi-function display M5 × 0.8 2 4 0.4 2.9Plate 1 and front fork protector M5 × 0.8 2 4 0.4 2.9Plate 2 and front fork protector — 2 0.5 0.05 0.36Speed sensor lead holder and lower bracket M6 × 1.0 1 13 1.3 9.4Speed sensor lead holder and clamp M6 × 1.0 1 7 0.7 5.1Headlight body and headlight unit — 2 1 0.1 0.7△ Headlight M6 × 1.0 2 7 0.7 5.1Taillight — 3 1 0.1 0.7Taillight lead clamp and rear fender — 3 0.5 0.05 0.36△ Catch tank (upper) M6 × 1.0 1 16 1.6 11△ Catch tank (lower) M6 × 1.0 1 7 0.7 5.1Footrest bracket and frame M10 × 1.25 4 55 5.5 40Sidestand M10 × 1.25 1 25 2.5 18Part to be tightened Thread size Q'ty Tightening torqueNm m•kg ft•lb