Engine; Engine Specifications - Yamaha 2004 YP400 Service Manual

ENGINE SPECIFICATIONS

Item

Engine

Engine type
Displacement
Cylinder arrangement
Bore × stroke
Compression ratio
Engine idling speed
Vacuum pressure at engine idling
speed
Standard compression pressure
(at sea level)
Fuel
Recommended fuel
Fuel tank capacity
Total
Engine oil
Lubrication system
Recommended oil
-20 -10 0 10 20 30 40 50 ˚C
SAE 10W-30
SAE 10W-40
SAE 15W-40
SAE 20W-40
SAE 20W-50
Recommended engine oil grade
Quantity
Total amount
Without oil filter element replace-
ment
With oil filter element replacement
Engine oil temperature
Final transmission oil
Type
Quantity
ENGINE SPECIFICATIONS
Standard
Liquid-cooled, 4-stroke, DOHC
3
394.9 cm (24.10 cu.in)
Forward-inclined single cylinder
83.0 × 73.0 mm (3.27 × 2.87 in)
10.6 : 1
1,300 ~ 1,500 r/min
36.0 ~ 42.0 kPa
(270 ~ 315 mmHg, 10.6 ~ 12.4 inHg)
1,400 kPa (14.00 kg/cm
500 r/min
Regular unleaded gasoline only (EUR)
Unleaded gasoline only (AUS)
14 L (3.08 Imp gal, 3.70 US gal)
Wet sump
Refer to the chart for the engine oil grade.
API service SE, SF, SG type or higher
1.7 L (1.50 Imp qt, 1.80 US qt)
1.5 L (1.32 Imp qt, 1.59 US qt)
1.7 L (1.50 Imp qt, 1.80 US qt)
80 °C (176 °F)
SAE10W-30 type SE motor oil
0.25 L (0.22 Imp qt, 0.26 US qt)
2 - 2
SPEC
2
, 199.1 psi) at
Limit
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