Yamaha R1 User Manual

Instrument and control functions
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EAU44893
Ignition circuit cut-off system
The ignition circuit cut-off system (com-
prising the sidestand switch, clutch
switch and neutral switch) has the fol-
lowing functions.
 It prevents starting when the trans-
mission is in gear and the sides-
tand is up, but the clutch lever is
not pulled.
 It prevents starting when the trans-
mission is in gear and the clutch le-
ver is pulled, but the sidestand is
still down.
 It cuts the running engine when the
transmission is in gear and the sid-
estand is moved down.
Periodically check the operation of the
ignition circuit cut-off system according
to the following procedure.
2CR-9-21.book 47 ページ ２０１５年９月２日 水曜日 午後２時２５分

Yamaha R1 Specifications

General

Bore x Stroke	79.0 mm x 50.9 mm
Compression Ratio	13.0:1
Front Tire	120/70ZR17
Wheelbase	55.3 in
Seat Height	33.7 in
Fuel Capacity	4.5 gal
Curb Weight	448 lb
Width	27.2 in
Height	45.3 in
Fuel Delivery	Fuel Injection
Transmission	6-speed
Front Suspension	43mm KYB inverted fork, fully adjustable
Rear Suspension	KYB single shock; fully adjustable
Front Brakes	Dual 320mm hydraulic disc; ABS
Rear Brakes	220mm disc; single-piston caliper; ABS
Torque	83 lb-ft
Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valve, inline 4-cylinder