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TIGHTENING TORQUES

2-14

EAM30204

CHASSIS TIGHTENING TORQUES

TIP

- marked portion shall be checked for torque tightening after break-in or before each race.

Item

Thread

size

Q’ty Tightening torques Remarks

Upper bracket pinch bolt M8 4 21 N·m (2.1 kgf·m, 15 lb·ft) 

Lower bracket pinch bolt M8 4 21 N·m (2.1 kgf·m, 15 lb·ft) 

Steering stem nut M24 1 145 N·m (14.5 kgf·m, 107 lb·ft) 

Upper handlebar holder bolt M8 4 28 N·m (2.8 kgf·m, 21 lb·ft) 

Lower handlebar holder nut M10 2 40 N·m (4.0 kgf·m, 30 lb·ft) 

Engine stop switch screw M3 1 0.5 N·m (0.05 kgf·m, 0.37 lb·ft)

Start switch M3 1 0.5 N·m (0.05 kgf·m, 0.37 lb·ft)

Mode switch M3 1 1.3 N·m (0.13 kgf·m, 0.95 lb·ft)

Lower ring nut M28 1 See TIP. 

Damper assembly (front fork) M51 2 30 N·m (3.0 kgf·m, 22 lb·ft)

Inner tube and Adjuster M22 2 55 N·m (5.5 kgf·m, 41 lb·ft)

Base valve (front fork) M42 2 28 N·m (2.8 kgf·m, 21 lb·ft)

Adjuster (damper assembly) M12 2 29 N·m (2.9 kgf·m, 21 lb·ft)

Bleed screw (front fork) M5 2 1.3 N·m (0.13 kgf·m, 0.95 lb·ft)

Front fork protector bolt M6 6 5 N·m (0.5 kgf·m, 3.7 lb·ft) 

Brake hose holder bolt M6 2 9 N·m (0.9 kgf·m, 6.6 lb·ft) 

Throttle grip cap screw M5 2 3.8 N·m (0.38 kgf·m, 2.8 lb·ft)

Clutch lever holder bolt M6 2 5 N·m (0.5 kgf·m, 3.7 lb·ft)

Clutch lever nut M6 1 4.0 N·m (0.40 kgf·m, 3.0 lb·ft)

Clutch lever position locknut M5 1 4.8 N·m (0.48 kgf·m, 3.5 lb·ft)

Front brake master cylinder holder

bolt

M6 2 9 N·m (0.9 kgf·m, 6.6 lb·ft) 

Front brake master cylinder reservoir

cap screw

M4 2 1.5 N·m (0.15 kgf·m, 1.1 lb·ft)

Front brake lever pivot bolt M6 1 6 N·m (0.6 kgf·m, 4.4 lb·ft)

Front brake lever pivot nut M6 1 6 N·m (0.6 kgf·m, 4.4 lb·ft)

Locknut (front brake lever position) M6 1 5 N·m (0.5 kgf·m, 3.7 lb·ft)

Front brake hose holder bolt M6 1 9 N·m (0.9 kgf·m, 6.6 lb·ft) 

Front brake hose union bolt M10 2 30 N·m (3.0 kgf·m, 22 lb·ft) 

Front brake caliper bolt M8 2 28 N·m (2.8 kgf·m, 21 lb·ft) 

Front brake pad pin M10 1 17 N·m (1.7 kgf·m, 13 lb·ft)

Front brake pad pin plug M10 1 2.5 N·m (0.25 kgf·m, 1.8 lb·ft)

Front brake caliper bleed screw M8 1 6 N·m (0.6 kgf·m, 4.4 lb·ft) 

Front wheel axle nut M18 1 115 N·m (11.5 kgf·m, 85 lb·ft) 

Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valve
Displacement	250cc
Bore x Stroke	77.0mm x 53.6mm
Compression Ratio	13.5:1
Fuel System	Fuel Injection
Ignition	TCI
Final Drive	Chain
Front Brakes	Hydraulic disc, 270mm
Rear Brakes	Hydraulic disc, 245mm
Length	85.6 in
Width	32.5 in
Height	50.4 in
Seat Height	37.6 in
Ground Clearance	12.8 in
Front Suspension	KYB® Speed-Sensitive System inverted fork; fully adjustable, 12.2-in travel
Front Tire	80/100-21
Rear Tire	110/100-18

Yamaha YZ250FX 2020 User Manual

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Yamaha YZ250FX 2020 Specifications

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