| Identification |
|
|
| Letter designation |
|
B3 |
| Color |
|
|
| Frame # |
|
|
| Engine # |
|
|
| |
|
|
| Dimensions |
|
|
|
Overall length
|
|
2,220 mm |
|
Overall width
|
|
830 mm |
|
Overall height
|
|
1,180 mm |
| Wheelbase |
|
1,505 mm |
| Road clearance |
|
155 mm |
| Dry weight |
|
241 kg |
| Fuel tank capacity |
|
13.6 l |
| |
|
|
| Performance |
|
|
| Climbing ability |
|
|
| Braking distance |
|
11.5 m from 50 kph |
| Minimum turning radius |
|
2.4 m |
| |
|
|
| Engine |
|
|
| Type |
|
4 stroke, DOHC, 4 cylinder, air cooled |
| Bore and stroke |
|
70.0 mm x 66.0 mm |
| Displacement |
|
1,015 cc |
| Compression ratio |
|
8.7 |
| Maximum horsepower |
|
86 hp @ 8,000 rpm |
| Maximum torque |
|
8.5 kg-m @ 6,500 rpm |
| Valve timing |
|
|
Inlet
|
Open
Closed
Duration
|
30° BTDC
70° ABDC
280°
|
Exhaust
|
Open
Closed
Duration
|
70° BBDC
30° ATDC
280°
|
| Carburetors |
|
(4) Mikuni VM26SS |
| Lubrication system |
|
Wet sump |
| Engine oil |
Type |
SAE 10W40, 10W50, 20W40, 20W50 |
| |
Capacity |
3.7 l |
| Starting system |
|
Electric starter and kick |
| Ignition system |
|
Battery and coil (transistorized) |
| Cylinder numbering method |
|
Left to right, 1-2-3-4 |
| Firing order |
|
1-2-4-3 |
| Ignition timing |
|
From 10° BTDC @ 1,000 rpm to 40° BTDC @ 2,350 rpm |
| Spark plugs |
|
NGK B8ES, ND W24ES-U |
| |
|
|
| Transmission |
|
|
| Type |
|
5 speed, constant mesh, return shift |
| Clutch |
|
Multi-disc, wet |
| Gear ratio |
1st |
3.17 |
| |
2nd |
2.19 |
| |
3rd |
1.67 |
| |
4th |
1.38 |
| |
5th |
1.22 |
| |
6th |
- |
| Primary reduction ratio |
|
1.73 |
| Final reduction ratio |
|
2.20 |
| Overall drive ratio |
|
4.64 |
| |
|
| Electrical equipment |
|
|
| Alternator |
|
Kokusan AR3703 |
| Regulator/rectifier |
|
Kokusan RS2127 |
| Ignition coils |
|
Toyodenso ZC001-14, ZC001-23 |
| Battery |
|
Yuasa YB14L-A2 (12V 14AH) |
| Starter motor |
|
Mitsuba SM-226-K |
| Headlight |
Type |
Sealed |
| |
Bulb |
12V 60/50W |
| Tail/brake light |
|
12V 8/27W |
| City light |
|
-
|
| Turn signal lights |
|
12V 23W |
| Meter lights |
|
12V 3.4w |
| Indicator lights |
|
12v 3.4w |
| Horn |
|
12V 2.5A |
| |
|
|
| Frame |
|
|
| Type |
|
Tubular, double cradle |
| Steering angle |
|
41° to either side |
| Castor |
|
64° |
| Trail |
|
90 mm |
| Tire size |
Front |
ML90 - 19 |
| |
Rear |
MT90 - 16 |
| Suspension |
Front |
Telescopic fork |
| |
Rear |
Swing arm |
| Suspension stroke |
Front |
|
| |
Rear |
|
| Front fork oil |
Type |
|
| |
Capacity |
|
| |
Oil level |
|
| |
|
|
| Brakes |
|
|
| Type |
Front |
Dual disc |
| |
Rear |
Single disc |
| Effective disc diameter |
Front |
|
| |
Rear |
|
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