Engine Specifications - Yamaha XF50W Service Manual

ENGINE SPECIFICATIONS

Engine
Engine type
Displacement
Cylinder arrangement
Bore×stroke
Compression ratio
Engine idle speed
Vacuum pressure at engine idle speed
Standard compression pressure(at sea level)
Fuel
Recommended fuel
Fuel tank capacity
Total
Engine oil
Lubrication system
Recommended oil
Quantity
Periodic oil change
Total amount
Final gear oil
Recommended oil
Periodic oil change
Total amount
Oil filter
Oil filter type
ENGINE SPECIFICATIONS
Item
Standard
Liquid-cooled, 4-stroke, SOHC ...
0.049L(49cm³, 2.99cu-in)
Forward inclined single cylinder ...
38.0×43.5mm(1.496×1.713in)
12:1
2000~2200r/min
34.7kPa(260mmHg,10.24inHg) ...
1450kPa(14.5kg/cm
at 700r/min
Unleaded gasoline only(USA)
Regular unleaded gasoline
only(CAN)
4.5L(0.98 Imp gal, 1.18 US gal) ...
Wet sump
YAMALUBE4, SAE10W30
or SAE20W40
API service SG type or higher
JASO stand MA
0.73~0.83L(0.67~0.76 Imp qt,
0.80~0.90 US qt)
0.80~0.90L(0.74~0.83 Imp qt,
0.87~0.98 US qt)
SAE10W30 hypoid gear oil
0.09~0.11L(0.08~0.10 Imp qt,
0.10~0.12 US qt)
0.11~0.13L(0.10~0.12 Imp qt,
0.12~0.14 US qt)
Wire mesh
2-2
SPEC
Limit
...
...
...
...
2
)
...
...
...
...
...
...
...
...
...
...
...
0 *