Spec sheet Yamaha seca 650 1982?

Answer 1

{| ! colspan="2" | Seca 650 Specifications from the November 1981 issue of "Cycle" | Model Yamaha XJ650RJ Price:(as of 8/25/81) $3099 Standing start 1/4 mile 12.78 @ 105.38 mph Engine rpm @ 60 mph, Top Gear 4480 rpm Average fuel consumption rate 47 mpg Cruise range (main/reserve) 185/52 miles Load capacity 497.5 lbs Maximum speed in gears(9500rpm) (1) 47.3 (2) 69.0 (3) 89.7 (4) 110.9 (5)127.3 Engine Type Four stroke transverse four cylinder with dual overhead camshafts, chain driven Bore and Stroke 63.0 x 52.4mm (2.48x2.06 in.) Piston Displacement 653 cc Compression ratio 9.2.1 Carburetion (4) 32mm Hitachi constant velocity slide throttle. Exhaust system Four into two, interconnected Ignition Battery powered inductive, magnetically triggered with electronically controlled advance. Air Filtration Paper element, disposable Oil Filtration Paper element, disposable Oil Capacity 3.5 liters (3.7 qts) Transmission Type Five speed, constant mesh, multi plate wet clutch Primary drive Straight cut spur gear; 97/58; 1.672 Final Drive Shaft; 49/36, 19/18, 32/11; 4.180 Gear ratios (overall) (1) 15.29 (2) 10.48 (3) 8.06 (4) 6.52 (5)5.68 Chassis Type Full cradle tubular steel, twin downtube Suspension Front Telescopic coil spring, oil damped

Rear Swing arm with (2) dampers; adjustable for preload Wheelbase 1435 mm (56.5 in.) Rake/Trail 27.75 degrees/115mm (4.53 in.) Brakes Front: Hydraulic twin disc, 268 mm (10.55 in.) rotors with single piston calipers

Rear: Mechanical drum; rod activated Wheels Front Cast aluminum alloy 1.85 x 19

Rear Cast aluminum alloy 2.15 x 18 Tires Front 3.25H x 19 Bridgestone Mag Mopus L-303

Rear 120/90H x 18 Bridgestone Mag Mopus S7-16 Seat Height 784 mm (30.86 in.) Ground Clearance 149mm (5.86 in.) Fuel Capacity, Main/Reserve 14.8/4.5 liters (3.9/1.2 gals.) ElectricalPower AC generator Charge control Solid state voltage regulator/ rectifier Headlight Beams High/Low 60/55 watts Tail/ stop lights 8/27 watts Battery 12V 14AH Instruments Includes Speedometer, Odometer Tripmeter, Tachometer with 9500 redline; indicators for high beam, neutral, low oil level and left/right turn indicator Speedometer error 30 mph indicated 28.70 mph

60 mph indicated 59.13 mph Submitted by Dave McCulloch

---- ! colspan="2" | Specifications for the 1982 Seca 650 from Cycle World, April 1982 | List price $3099 Bore x Stroke 63 x 52.4mm Displacement 653cc Compression ratio 9.2:1 Carburetion (4) 32mm Hitachi Constant Vacuum Claimed power N/A Claimed torque 39.8 lb.-ft. @ 7500rpm Oil capacity 3.7 qt. Fuel capacity 5.2 gal. Electrical power 266w alternator Gear ratios, overall (1) 15.29 (2) 10.48 (3) 8.06 (4) 6.52 (5) 5.68 Weight bias, % front/rear 47/53 GVWR 1000 lb. Load capacity 511 lb. Weight (w/half-tank fuel) 489 lb. Performance (from Cycle World, April 1982) Standing 1/4 mile 12.78 @ 103.68 mph Top speed in 1/2 mile 117 mph Fuel consumption 48 mpg. Range (to reserve tank) 201 mi. Acceleration: 0-30 mph.................................1.8 sec.

0-40 mph.................................2.7 sec.

0-50 mph.................................3.7 sec.

0-60 mph.................................4.8 sec.

0-70 mph.................................6.2 sec.

0-80 mph.................................7.5 sec.

0-90 mph.................................9.1 sec.

0-100 mph...............................11.5 sec. Top gear acceleration: 40-60 mph...............................5.5 sec.

60-80 mph...............................7.8 sec. Maximum speeds in gears: 1st............................................47 mph.

2nd...........................................69 mph.

3rd............................................89 mph.

4th............................................110 mph.

5th............................................127 mph. Speedometer error: 30 mph. indicated...................29 mph. actual

60 mph. indicated...................59 mph. actual Braking distance: from 30 mph..................................32 ft.

from 60 mph..................................138 ft. Engine speed at 60 mph: 4500 rpm |}