Identification | ||
Letter designation | A1 | |
Color | ||
Frame # | ||
Engine # | ||
Dimensions | ||
Overall length |
2,100 mm, EU:2,150 mm | |
Overall width |
785 mm, EU: 740 mm | |
Overall height |
1,125 mm, EU: 1,095 | |
Wheelbase | 1,395 mm | |
Road clearance | 145 mm | |
Dry weight | 189 kg, EU: 192 kg | |
Fuel tank capacity | 15.0 l | |
Performance | ||
Climbing ability | 30° | |
Braking distance | 11.0 m from 50 kph | |
Minimum turning radius | 2.4 m | |
Engine | ||
Type | DOHC 4 cylinders in line, 4 stroke | |
Bore and stroke | 58.0 mm x 52.4 mm | |
Displacement | 553 cc | |
Compression ratio | 9.5 | |
Maximum horsepower | 54 hp @ 8,500 rpm, US: 53 hp @8,500 rpm | |
Maximum torque | 4.9 kg-m @ 7,000 rpm, US: 4.8 kg-m @ 7,000 rpm | |
Valve timing | ||
|
Open Closed Duration |
20° BTDC 48° ABDC 248° |
|
Open Closed Duration |
48° BBDC 20° ATDC 248° |
Carburetors |
TK22P-2D, US: TK22P-2C |
|
Lubrication system | Wet sump | |
Engine oil | Type | SE Class SAE 10W40, 10W50, 20W40, or 20W50 |
Capacity | 3.0 l | |
Starting system | Electric starter | |
Ignition system | Battery and Coil (contact breaker) | |
Cylinder numbering method | Left to right, 1-2-3-4 | |
Firing order | 1-2-4-3 | |
Ignition timing | 10° BTDC @ 1,050 rpm ~ 35° BTDC @ 3,200 rpm | |
Spark plugs | NGK D8EA or ND X24ES-U | |
Transmission | ||
Type | 6 speed, constant mesh, return shift | |
Clutch | multi-disc, wet | |
Gear ratio | 1st | 2.57 |
2nd | 1.78 | |
3rd | 1.38 | |
4th | 1.13 | |
5th | 0.96 | |
6th | 0.85 | |
Primary reduction ratio | 2.94 | |
Final reduction ratio | 2.50 | |
Overall drive ratio | 6.25 @ top gear | |
Electrical equipment | ||
Alternator | ||
Regulator/rectifier | ||
Ignition coils | ||
Battery | Furukawa FB12A-A (12V 12 AH) | |
Starter motor | ||
Headlight | Type | Sealed beam, EU: Semi-sealed |
Bulb | 12V 50/35W, EU: 12V 45/40W | |
Tail/brake light | 12V 8/27W, EU: 12V 5/21W | |
City light | 12V 4W | |
Turn signal lights | 12V 23W, EU: 12V 21W | |
Meter lights | 12V 3.4W | |
Indicator lights | 12V 3.4W | |
Horn | 12V 2.5A | |
Frame | ||
Type | Tubular, double cradle | |
Steering angle | 37° to either side | |
Castor | 26° | |
Trail | 98 mm | |
Tire size | Front | 3.25 - 19 |
Rear | 3.75 - 18 | |
Suspension | Front | Telescopic fork |
Rear | Swing arm | |
Suspension stroke | Front | 180 mm |
Rear | 120 mm | |
Front fork oil | Type | SAE 5W20 |
Capacity | 220 cc | |
Oil level | ||
Brakes | ||
Type | Front | Single disc, EU: Dual disc |
Rear | Drum, 200 mm | |
Effective disc diameter | Front | 250 mm, EU: 232 mm |
Rear | - |