Some Diagrams from manual at bottom

DIMENSIONS
...Overall Length: 2,085mm (82.1 in)
...Overall Width: 750mm (29.5 in)
...Overall Height: 1,075mm (42.3 in)
...Wheelbase: 1,430mm (56.3 in)
...Ground Clearance: 155mm (6.1 in)

WEIGHT
...Dry Weight: 184kg (406 lbs)

CAPACITIES
...Engine Oil: 2.8l (3.0 US qt) After Disassembly
...... 2.2l (2.3 US qt) After Draining
...Fuel Tank: 12.0l (3.17 US gal) Total
...... 2.0l (0.53 US gal) Reserve
...Cooling System: 2.2l (0.58 US gal)
...Passenger Load: Operator and One Passenger
...Maximum Weight: 156kg (345 lbs)

ENGINE
...Bore and Stroke: 79.0 X 66.0mm (3.11 X 2.60in)
...Compression Ratio: 9.4:1
...Displacement: 647cc (39.5 cu-in)
...SPARK PLUG
......Standard: DPR8EA-9(NGK) X24EPR-U9(ND)
......For below 5dC, 41dF: DPR7EA-9(NGK) X22EPR-U9(ND)
......For Extended High Spd Riding: DPR9EA-9(NGK) X27EPR-U9(ND)
......Gap: 0.8-0.9mm (0.03 - 0.04in)
...Idle Speed: 1,200 +- 100rpm
...VALVE CLEARANCE (COLD)
......Intake: 0.15mm (0.006 in)
......Exhaust: 0.20mm (0.008 in)

CHASSIS AND SUSPENSION
...Caster: 27 deg
...Trail: 111mm (4.4 in)
...Tire Size, Front: 110/80-17 57H
...Tire Size, Rear: 150/70-17 69H

POWER TRANSMISSION
...Primary Reduction: 1.888
...Gear Ratio:
...... 1st: 2.769
...... 2cd: 1.882
...... 3rd: 1.450
...... 4th: 1.174
...... 5th: 0.965
...Final Reduction: 2.750

ELECTRICAL
...Battery: 12V-8Ah
...Generator: 240W/5,000rpm

LIGHTS
...Headlight (High/Low): 12V-60/55W
...Tail/Stoplight: 12V-3/32cpX2 SAE No.1157
...Front Turn Signal Light: 12V-32/3cp SAE No.1034
...Rear Turn Signal Light: 12V-32cp SAE No.1073
...Instrument Lights: 12V-3.4W X1, 12V-1.7W X2
...Neutral Indicator Light: 12V-3W
...Turn Signal Indicator Light: 12V-3W
...High Beam Indicator Light: 12V-3W
...Oil Pressure Warning Light: 12V-3W

FUSE
... 10A, 15A
... 30A (Main Fuse)