Yamaha SR400 User Manual

Periodic maintenance and adjustment
6-20
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EAU22199
Adjusting the brake pedal
height and free play
WARNING
EWA10671
It is advisable to have a Yamaha
dealer make these adjustments.
Brake pedal height
The top of the brake pedal should be
positioned at the specified distance be-
low the top of the footrest as shown.
Periodically check the brake pedal
height and, if necessary, adjust it as fol-
lows.
1. Loosen the brake pedal height
locknut.
2. To raise the brake pedal, turn the
brake pedal height adjusting bolt in
direction (a). To lower the brake
pedal, turn the adjusting bolt in di-
rection (b).
3. Tighten the locknut.
WARNING
EWA11232
After adjusting the brake pedal
height, the brake pedal free play
must be adjusted.
Brake pedal free play
Measure the brake pedal free play as
shown.
Periodically check the brake pedal free
play and, if necessary, adjust it as fol-
lows.
To increase the brake pedal free play,
turn the brake pedal free play adjusting
nut at the brake rod in direction (a). To
Brake pedal height:
20.0 mm (0.79 in)
1. Brake pedal height
1
1. Brake pedal height locknut
2. Brake pedal height adjusting bolt
1. Brake pedal free play
Brake pedal free play:
20.0–30.0 mm (0.79–1.18 in)
1
2
(b)
(a)
1
2RD-28199-E1.book 20 ページ ２０１５年９月３日 木曜日 午後３時４２分

Yamaha SR400 Specifications

General

Engine Type	Air-cooled, 4-stroke, SOHC, 2-valve
Displacement	399cc
Bore x Stroke	87.0 mm x 67.2 mm
Compression Ratio	8.5:1
Fuel System	Fuel injection
Ignition System	TCI
Starter System	Kick
Transmission	5-speed
Final Drive	Chain
Front Suspension	Telescopic fork
Rear Suspension	Swingarm
Front Brake	Hydraulic single disc
Rear Brake	Drum
Front Tire	90/100-18M/C 54S
Rear Tire	110/90-18M/C 61S
Fuel Tank Capacity	12 liters
Seat Height	785 mm
Wet Weight	174 kg
Width	750 mm
Length	2085mm
Wheelbase	1, 410 mm
Ground Clearance	130 mm