Model Name:SR500

Manufacturer:YAMAHA

Model Year:1978

It mounted an engine of the XT500, which was remodeled for street use and was then mounted on the exclusive frame of this model. The tail design without a seat cowl and its raised type handle characterized the design of the initial 500.

Specifications:

[Basic spec]

Manufacturer	YAMAHA	Engine Type	Air-Cooled 4 Stroke OHC 2-Valve Single Cylinder
Model Name	SR500	Starter	Kick Starter
Grade	–	Maximum Output (ps)	32ps(23.5kw)/6500rpm
Drive Train	–	Maximum Torque (kgf/m)	3.7kg-m(36.3N-m)/5500rpm
Model Type	–	Curb Weight	169
Displacement	499	Dry Weight	158
Sales Launch Year	1978/3	Fuel Efficiency by Catalog	–
Height/Width/Length	1095/-/-	Fuel Tank Capacity	12
Seat Height	–	Distance to Empty	–
Front Tire Indication	–	Fuel Supply	Carburetor
Rear Tire Indication	–

[Service data]

Standard Plug	BPR6ES	Chain Size	530
Number of Used Plugs	1	Chain Link Number	104
Engine Oil Amount	2.4	Battery Code	–
Engine Oil (Refill)	2L	Headlight	–
Engine Oil (Element Replacement)	2.1L	Headlight Type	–
Front Blinker Rating	12V 21w	Headlight Remarks	–
Drive Sprocket Teeth Number	16	Tail Light Rating	12V 21w/5w
Driven Sprocket Teeth Number	42	Rear Blinker Rating	12V 21w

[Machine detail]

Motor Model Code	–	Caster Angle	27.3 Degrees
Bore (mm)	87	Trail (mm)	108
Storke (mm)	84	Minimum Ground Clearance	–
Compression Ratio	8.3	Distance Between Axes	1410
Ignition Method	C.D.I.	Streering Angle (Right)	–
Engine Lubrication Type	Compulsory Force Feeding Dry Sump	Turning Angle (Left)	–
Frame Type	Steel Pipe Semi Double Cradle	Mirror Screw Hole Diameter	–
Minimum Rotaion Radius	2.4	Fuel Tank Reserve Capacity	–

[Underbody detail]

Front Brake Type	Single Disc	Suspension Type (Rear)	Swing Arm
Front Brake Remarks	–	Number of Rear Shock Absorbers	–
Rear Brake Type	Drum	Rear Suspension Stroke	–
Rear Brake Remarks	–	Rear Wheel Travel	–
Suspension Type (Front)	Telescopic	ABS	–
Front Fork Type	–	Drive Train	Chain
Front Suspension Stroke	–	Differential Oil Amount	–
Front Fork Diameter	–	Chain Remarks	–

[Equipment]

Seat Lowering Allowance	–	Theft Prevention Device	–
Mirror Screw Hole Diameter	–	Tail Light Bulb Type	S25
Mirror Remarks	–	Tail Light Base Shape	BAY15D
Electronic Device Remarks	–	Tail Light Base Shape 2	–
Fuel Gauge	–	Tail Light Remarks	–
Clock	–	Front Blinker Bulb Type	G18
Hazard	–	Front Blinker Base Shape	BA15S/BA15S

[Engine detail]

Clutch Type	Wet Multiple Plate	Tappet Clearance (mm) EX	–
Transmission	5-Stage Normal Shift	Idling Initial Value (rpm)	–
Number of Gears	5	Needle Steps (Clip Location)	–
Gear Ratio	–	Float Level (mm)	–
Primary Reduction Ratio	–	Air Screw Return	–
Secondary Reduction Ratio	2.625	Main Jet Type	–
Variable Speed Vehicle Gear Ratio	–	Main Jet Number	–
Tappet Clearance (mm) IN	–

[Other spec]

Clutch Cable Length	–	Rear Brake Cable Length	–
Choke Cable Length	–	Other Cables	–
Meter Cable Length	–	Engine Number (Production Launch)	–
Throttle Cable Length	–	Engine Number (Production End)	–
Front Brake Cable Length	–

[See Moto Index of YAMAHA]
[See Accessories for YAMAHA SR500]