Engine Specifications - Yamaha XC50V Service Manual

ENGINE SPECIFICATIONS

Engine
Engine type
Displacement
Cylinder arrangement
Bore × stroke
Compression ratio
Engine idle speed
Vacuum pressure at engine idle speed(AI OFF)
Standard compression pressure (at sea level) 1450 kPa (14.5kgf/cm
Fuel
Recommended fuel
Fuel tank capacity
Total (including reserve)
Engine oil
Lubrication system
Recommended oil
-20˚ -10˚ 0˚ 10˚ 20˚ 30˚
SAE 10W-30
SAE 10W-40
SAE 20W-40
SAE 20W-50
Quantity
Periodic oil change
Total amount
Final gear oil
Recommended oil
Periodic oil change
Total amount
ENGINE SPECIFICATIONS
Item
40˚ 50˚
Standard
Liquid-cooled, 4-stroke, SOHC ...
3
0.049L(49cm )
Forward inclined single cylinder ...
38.0 × 43.5 mm
12:1
2000~2400 r/min
34.7 kpa ( 260 mmHg )
at 700 r/min
Unleaded gasoline
4.5L ( 0.98 Imp gal,
1.18 US gal )
Wet sump
SAE10W40
Yamaha 4-cycle oil
EFERO X,Z,BX
0.73~0.83 L (0.67~0.76 Imp qt, ...
0.80~0.90 US qt)
0.8~0.9L (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)
2-2
SPEC
Limit
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2
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