Model Name:RZ250R

Manufacturer:YAMAHA

Model Year:1983

It was the succeeding model of the famous RZ250. It mounted the YPVS (Yamaha Power Valve System) which had been passed down from the GP machine, YZR. It raised its potential further.

Specifications:

[Basic spec]

Manufacturer	YAMAHA	Engine Type	Water-Cooled 2 Stroke Piston Reed Valve Parallel 2 Cylinder
Model Name	RZ250R	Starter	–
Grade	–	Maximum Output (ps)	43ps(32kw)/9500rpm
Drive Train	–	Maximum Torque (kgf/m)	3.4kg-m(33.3N-m)/8500rpm
Model Type	–	Curb Weight	162
Displacement	247	Dry Weight	145
Sales Launch Year	1983/0	Fuel Efficiency by Catalog	–
Height/Width/Length	1170/-/2095	Fuel Tank Capacity	–
Seat Height	–	Distance to Empty	–
Front Tire Indication	90/90-18 51S TL	Fuel Supply	Carburetor
Rear Tire Indication	100/80-18 58S TL

[Service data]

Standard Plug	BR8ES	Chain Size	520
Number of Used Plugs	2	Chain Link Number	110
Engine Oil Amount	–	Battery Code	12N5.5-3B
Engine Oil (Refill)	1.5L	Headlight	12V 60w/55w
Engine Oil (Element Replacement)	–	Headlight Type	H4
Front Blinker Rating	12V 10w	Headlight Remarks	–
Drive Sprocket Teeth Number	16	Tail Light Rating	12V 21w/5w
Driven Sprocket Teeth Number	40	Rear Blinker Rating	12V 10w

[Machine detail]

Motor Model Code	29L	Caster Angle	–
Bore (mm)	–	Trail (mm)	–
Storke (mm)	–	Minimum Ground Clearance	–
Compression Ratio	–	Distance Between Axes	–
Ignition Method	–	Streering Angle (Right)	–
Engine Lubrication Type	–	Turning Angle (Left)	–
Frame Type	–	Mirror Screw Hole Diameter	–
Minimum Rotaion Radius	–	Fuel Tank Reserve Capacity	–

[Underbody detail]

Front Brake Type	Double Disc	Suspension Type (Rear)	–
Front Brake Remarks	–	Number of Rear Shock Absorbers	–
Rear Brake Type	Disc	Rear Suspension Stroke	–
Rear Brake Remarks	–	Rear Wheel Travel	–
Suspension Type (Front)	–	ABS	–
Front Fork Type	–	Drive Train	–
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	Glass Shape G18 Also Installable
Clock	–	Front Blinker Bulb Type	G18
Hazard	–	Front Blinker Base Shape	BA15S/BA15S

[Engine detail]

Clutch Type	–	Tappet Clearance (mm) EX	–
Transmission	–	Idling Initial Value (rpm)	–
Number of Gears	–	Needle Steps (Clip Location)	–
Gear Ratio	–	Float Level (mm)	–
Primary Reduction Ratio	–	Air Screw Return	–
Secondary Reduction Ratio	2.56	Main Jet Type	MIKUNI Hex Large
Variable Speed Vehicle Gear Ratio	–	Main Jet Number	#155
Tappet Clearance (mm) IN	–

[Other spec]

Clutch Cable Length	1045	Rear Brake Cable Length	–
Choke Cable Length	–	Other Cables	–
Meter Cable Length	–	Engine Number (Production Launch)	–
Throttle Cable Length	1150	Engine Number (Production End)	–
Front Brake Cable Length	–

[See Moto Index of YAMAHA]
[See Accessories for YAMAHA RZ250R]