SPECIFICATIONS
8-1
8
Dimensions:Overall length:
1305 mm (51.4 in)
Overall width:
595 mm (23.4 in)
Overall height:
775 mm (30.5 in)
Seat height:
555 mm (21.9 in)
Wheelbase:
925 mm (36.4 in)
Ground clearance:
135 mm (5.31 in)
Minimum turning radius:
1400 mm (55.1 in)Weight:With oil and fuel:
57.0 kg (126 lb)Engine:Engine type:
Air cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
49.0 cm³ (2.99 cu.in)
Bore × stroke:
36.0 × 48.6 mm (1.42 × 1.91 in)
Compression ratio:
9.50 :1
Starting system:
Electric starter
Lubrication system:
Wet sump
Engine oil:Type:
SAE10W30 or SAE10W40 or SAE15W40
or SAE20W40 or SAE20W50
(AUS)(AUT)(BEL)(CHE)(DEU)(DNK)(ESP
)(FIN)(FRA)(GBR)(GRC)(IRL)(NLD)(NOR)
(NZL)(PRT)(SWE)(ZAF)
YAMALUBE 4, SAE10W30 or SAE20W40
(CAN)
Recommended engine oil grade:
API service SE, SF, SG type or higherEngine oil quantity:
Periodic oil change:
0.80 L (0.85 US qt) (0.70 Imp.qt)
Air filter:Air filter element:
Wet elementFuel:Recommended fuel:
Regular unleaded gasoline only
(AUT)(BEL)(CAN)(CHE)(DEU)(DNK)(ESP
)(FIN)(FRA)(GBR)(GRC)(IRL)(NLD)(NOR)
(PRT)(SWE)(ZAF)
Unleaded gasoline only (AUS)(NZL)
Fuel tank capacity:
3.1 L (0.82 US gal) (0.68 Imp.gal)
Fuel reserve amount:
0.4 L (0.11 US gal) (0.09 Imp.gal)Carburetor:Manufacturer:
MIKUNI
Type × quantity:
VM11 x 1Spark plug (s):Manufacturer/model:
NGK/CR7HSA
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)Clutch:Clutch type:
Wet, multiple-disc and centrifugal
automaticTransmission:Primary reduction system:
Spur gear
-20 -10 0
10 20 30
40
50 ˚C
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40
10° 30° 50° 70° 90°
110°
0°
130°F
YAMALUBE 4 (10W30)
or SAE 10W30
YAMALUBE 4 (20W40)
or SAE 20W40
–10° 0° 10° 20° 30°
40° –20°
50°C
U1P681E0.book Page 1 Tuesday, April 18, 2006 2:38 PM
SPECIFICATIONS
8-2
8
Primary reduction ratio:
67/18 (3.722)
Secondary reduction system:
Chain drive
Secondary reduction ratio:
37/13 (2.846)
Transmission type:
Constant mesh 3-speed
Operation:
Left foot operation
Gear ratio:
1st:
39/12 (3.250)
2nd:
33/19 (1.736)
3rd:
28/23 (1.217)Chassis:Frame type:
Steel tube backbone
Caster angle:
25.50 °
Trail:
34.0 mm (1.34 in)Front tire:Type:
With tube
Size:
2.50-10 4PR
Manufacturer/model:
CHENG SHIN/KNOBBYRear tire:Type:
With tubeSize:
2.50-10 4PR
Manufacturer/model:
CHENG SHIN/KNOBBY
Tire air pressure (measured on cold
tires):
Front:
100 kPa (15 psi) (1.00 kgf/cm²)
Rear:
100 kPa (15 psi) (1.00 kgf/cm²)
Front wheel:Wheel type:
Spoke wheel
Rim size:
10x1.40Rear wheel:Wheel type:
Spoke wheel
Rim size:
10x1.40Front brake:Type:
Drum brake
Operation:
Right hand operationRear brake:Type:
Drum brake
Operation:
Right foot operationFront suspension:Type:
Telescopic forkSpring/shock absorber type:
Coil spring
Wheel travel:
96.0 mm (3.78 in)
Rear suspension:Type:
Swingarm (monocross)
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
71.0 mm (2.80 in)Electrical system:Ignition system:
CDI
Charging system:
AC magnetoBattery:Model:
YT4B-BS/GT4B-5
Voltage, capacity:
12 V, 2.3 Ah/12 V, 2.5 AhFuse:Fuse:
10.0 A
U1P681E0.book Page 2 Tuesday, April 18, 2006 2:38 PM