Service manual

SPEC
2-2
ENGINE SPECIFICATIONS
Item Standard Limit
Engine
Engine type Liquid cooled 2-stroke, gasoline •
• •
Displacement 84.7 cm
3
(5.17 cu.in) • • •
Cylinder arrangement Single cylinder, forward inclined •
• •
Bore × stroke 47.5 × 47.8 mm (1.870 × 1.882 in) •
• •
Compression ratio 8.2 : 1 •
• •
Fuel
Recommended fuel Premium unleaded gasoline only •
• •
Fuel tank capacity
Total 5.0L (1.09 Imp gal, 1.30 US gal) •
• •
Lubrication system Premix (30 : 1) (Yamalube 2-R) •
• •
Transmission oil
Recommended oil Yamalube 4 (10W-30) or SAE 10W-30 •
• •
API service SG type or higher
JASO standard MA
Periodic oil change 0.50 L (0.44 Imp qt, 0.53 US qt) •
• •
Total amount 0.55 L (0.48 Imp qt, 0.58 US qt) •
• •
Cooling system
Coolant capacity (including all routes) 0.54 L (0.48 Imp qt, 0.57 US qt) •
• •
Radiator capacity 0.32 L (0.28 Imp qt, 0.34 US qt) •
• •
Radiator cap opening pressure 93 ~ 123 kPa (0.93 ~ 1.23 kg / cm
2
,
13.2 ~ 17.5 psi)
• • •
Radiator core
Width
117.8 mm (4.64 in) •
• •
Height
240.0 mm (9.45 in) •
• •
Depth
32.0 mm (1.26 in) •
• •
Water pump
Water pump type
Single suction centrifugal pump •
• •
Reduction ratio 25 / 18 (1.388) •
• •
Starting system Kickstarter •
• •
Spark plug
Model (manufacturer) × quantity BR10EG (NGK) × 1•
• •
Spark plug gap 0.5 ~ 0.6 mm (0.0197 ~ 0.0236 in) •
• •
Cylinder head
Volume 7.14 cm
3
(0.44 cu.in) • • •
Max. warpage •
• • 0.03 mm
(0.0012 in)
ENGINE SPECIFICATIONS