Chassis
Double-downtube, full-cradle perimeter frame: box section steel swing arm
Wheelbase 56.6 in.
Rake/trail 27.5ƒ/3.5 in. (89mm)
Seat height 30.3 in (770mm)
Ground clearance 4.9 in (124mm)
Fuel capacity (main/reserve) 4.2 (0.6)gals. (15.9/2.2l)
Curb weight (full tank) 408.5 lbs (185kg)
Brakes
Front - hydraulic, single-disc with dual-piston caliper
Rear - rod-actuated, single-leading shoe drum
Wheels
Front - cast, 2.15 x 16 - tire 100/90-16
Rear - cast, 2.5 x 16 - tire 120/90-16
Suspension
Front - center-axle fork with 36mm tubes and 5.5 in. (140mm) of travel
Rear (1) shock absorber, adjustable for spring preload, with 3.9 in. (100mm) of rear-wheel travel.
Performance
Standing start 1/4 mile 12.73 sec. @ 102.21 mph
Acceleration, 0-60 mph 3.76 sec.
Maximum speed in gears @ engine redline (1) 44 (2) 63 (3) 82 (4) 101 (5) 118 (6) 133
Braking, 60-0 mph 115 ft.
Average fuel consumption rate 48 mpg (20.4 km/l)
Cruising range (main/reserve) 202/29 mi (237/46 km)
Speedometer error
30mph indicated, actual 29.50
60 mph indicated, actual 57.53
Engine
Four-stroke, parallel twin; liquid-cooled with two chain- driven overhead camshafts; four valves per cylinder
Displacement 498cc (19.6 cu. in.)
Bore and stroke 74.0 x 58.0mm (2.91 x 2.28 in.)
Compression ratio 10.8:1
51.72bhp @ 9500rpm
30.86ft-lbs @ 8000rpm
Carbuation (2) 34mm Keihin constant-vacuum
Exhaust system two-into-two
Ignition - battery-powered, inductive magnetically triggered
Oil capacity 3.6 qts. (3.4l) including oil filter capacity
Transmission
Six-speed, constant mesh, wet-clutch
Primary drive straight cut gear: 23/61, 2.662
Final drive #520 chain; 42/16 sprockets, 2.625
Gear ratios (transmission) (1) 36/14, 2.571 (2) 32/18, 1.78 (3) 29/21, 1.38 (4) 27/24, 1.12 (5) 25/26, 0.96 (6) 23/27, 0.85
Gear ratios (overall) (1) 17.87 (2) 12.37 (3) 9.60 (4) 7.83 (5) 6.88 (6) 5.92
Electrical
AC Alternator
Charge control solid-state voltage regulator
Headlight beams (high/low) 60/55 watts
Tail/stoplights 8/27 watts
Battery 12V 14AH
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