Yamaha XVS950CU 2014, Service Manual

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ENGINE SPECIFICATIONS
2-2
EAS20291
ENGINE SPECIFICATIONS
Engine
Engine type Air cooled 4-stroke, SOHC
Displacement 942 cm³
Cylinder arrangement V-type 2-cylinder
Bore
×
stroke 85.0
×
83.0 mm (3.35
×
3.27 in)
Compression ratio 9.00 : 1
Standard compression pressure (at sea level) 1400 kPa/400 r/min (14.0 kgf/cm²/400 r/min,
199.1 psi/400 r/min)
Minimum-maximum 1250–1500 kPa (12.5–15.0 kgf/cm², 177.8–
213.3 psi)
Starting system Electric starter
Fuel
Recommended fuel Regular unleaded gasoline (Gasohol (E10)
acceptable)
Fuel tank capacity 12.2 L (3.22 US gal, 2.68 Imp.gal)
Fuel reserve amount 2.8 L (0.74 US gal, 0.62 Imp.gal)
Engine oil
Lubrication system Wet sump
Recommended brand YAMALUBE
Type SAE 10W-30, 10W-40, 10W-50, 15W-40, 20W-
40 or 20W-50
Recommended engine oil grade API service SG type or higher, JASO standard
MA
Engine oil quantity
Quantity (disassembled) 4.30 L (4.55 US qt, 3.78 Imp.qt)
Without oil filter cartridge replacement 3.70 L (3.91 US qt, 3.26 Imp.qt)
With oil filter cartridge replacement 4.00 L (4.23 US qt, 3.52 Imp.qt)
Oil filter
Oil filter type Cartridge
Oil pump
Oil pump type Trochoid
Inner-rotor-to-outer-rotor-tip clearance Less than 0.120 mm (0.0047 in)
Limit 0.20 mm (0.0079 in)
Outer-rotor-to-oil-pump-housing clearance 0.09–0.19 mm (0.0035–0.0075 in)
Limit 0.26 mm (0.0102 in)
Bypass valve opening pressure 80–120 kPa (0.8–1.2 kgf/cm², 11.4–17.1 psi)
Relief valve operating pressure 391.0–489.0 kPa (3.91–4.89 kgf/cm², 56.7–70.9
psi)
Spark plug(s)
Manufacturer/model NGK/CPR7EA-9
Spark plug gap 0.8–0.9 mm (0.031–0.035 in)
Cylinder head
Combustion chamber volume 40.50–42.70 cm³ (2.47–2.61 cu.in)