Specifications
9-1
9
Dimensions:
Overall length:
1245 mm (49.0 in)
Overall width:
610 mm (24.0 in)
Overall height:
705 mm (27.8 in)
Seat height:
475 mm (18.7 in)
Wheelbase:
855 mm (33.7 in)
Ground clearance:
95 mm (3.74 in)
Minimum turning radius:
1.3 m (4.27 ft)
Weight:
Curb weight:
41 kg (90 lb)
Maximum rider weight:
25.0 kg (55 lb)
Technical permissible mass (Maximum load +
Curb weight):
66 kg (146 lb)
Engine:
Combustion cycle:
2-stroke
Cooling system:
Air cooled
Number of cylinders:
Single cylinder
Displacement:
49 cm³
Bore × stroke:
40.0 × 39.2 mm (1.57 × 1.54 in)
Compression ratio:
6.0 : 1
Starting system:
Kickstarter
Lubrication system:
Separate lubrication
Engine oil:
Engine oil:
YAMALUBE 2S or 2-stroke engine oil
(JASO FC grade or ISO EG-C [or EG-D]
grade)
Recommended brand:
YAMALUBE
Engine oil quantity:
Engine oil tank capacity:
0.30 L (0.32 US qt, 0.26 Imp.qt)
Transmission oil:
Type:
Motor oil SAE 10W-30 type SE or higher or
Gear oil SAE 85W GL-3
Quantity:
0.30 L (0.32 US qt, 0.26 Imp.qt)
Air filter:
Air filter element:
Wet element
Fuel:
Recommended fuel:
Regular unleaded gasoline only
Fuel tank capacity:
2.0 L (0.5 US gal, 0.4 Imp.gal)
Carburetor:
Type × quantity:
VM12SC × 1
Spark plug(s):
Manufacturer/model:
NGK/BP4HS
Manufacturer/model:
DENSO/W14FP-L
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)
Clutch:
Clutch type:
Wet, centrifugal, shoe
Drivetrain:
Primary reduction ratio:
1.909 (63/33)
Final drive:
Shaft
Secondary reduction ratio:
6.218 (19/15 x 54/11)
Chassis:
Frame type:
Backbone
Caster angle:
25.5 °
Trail:
50 mm (2.0 in)
Front tire:
Type:
With tube
Size:
2.50-10 4PR
Manufacturer/model:
BRIDGESTONE/M29
Manufacturer/model:
IRC/Z MARK II
U2SA14E0.book Page 1 Monday, May 1, 2017 10:19 AM
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