Engine Specifications - Yamaha MTN850-A 2017 Service Manual

EAS20014

ENGINE SPECIFICATIONS

Engine
Combustion cycle
Cooling system
Valve train
Displacement
Cylinder arrangement
Number of cylinders
Bore  stroke
Compression ratio
Compression pressure
Starting system
Fuel
Recommended fuel
Fuel tank capacity
Fuel reserve amount
Engine oil
Recommended brand
SAE viscosity grades
Recommended engine oil grade
Lubrication system
Engine oil quantity
Oil change
With oil filter removal
Quantity (disassembled)
Oil filter
Oil filter type
Oil pump
Inner-rotor-to-outer-rotor-tip clearance
Limit
Outer-rotor-to-oil-pump-housing clearance
Limit
Oil pressure
Bypass valve opening pressure
Relief valve operating pressure
Cooling system
Coolant quantity
Radiator (including all routes)
Coolant reservoir (up to the maximum level
mark)
ENGINE SPECIFICATIONS
4-stroke
Liquid cooled
DOHC
847 cm³
Inline
3-cylinder
78.0  59.1 mm (3.07  2.33 in)
11.5 : 1
1331–1713 kPa/680 r/min (13.3–17.1
kgf/cm²/680 r/min, 189.3–243.7 psi/680 r/min)
Electric starter
Premium unleaded gasoline (Gasohol [E10] ac-
ceptable) (MTN850-A_EUR/HRV/TUR/ZAF,
MTN850-AH)
Unleaded gasoline only. Minimum research oc-
tane number 95 (MTN850-A_RUS)
14 L (3.7 US gal, 3.1 Imp.gal)
2.8 L (0.74 US gal, 0.62 Imp.gal)
YAMALUBE
10W-40
API service SG type or higher, JASO standard
MA
Wet sump
2.40 L (2.54 US qt, 2.11 Imp.qt)
2.70 L (2.85 US qt, 2.38 Imp.qt)
3.40 L (3.59 US qt, 2.99 Imp.qt)
Cartridge
Less than 0.120 mm (0.0047 in)
0.20 mm (0.0079 in)
0.09–0.19 mm (0.0035–0.0075 in)
0.21 mm (0.0083 in)
230.0 kPa/5000 r/min (2.30 kgf/cm²/5000 r/min,
33.4 psi/5000 r/min)
80.0–120.0 kPa (0.80–1.20 kgf/cm², 11.6–17.4
psi)
740.0 kPa (7.40 kgf/cm², 107.3 psi)
1.93 L (2.04 US qt, 1.70 Imp.qt)
0.25 L (0.26 US qt, 0.22 Imp.qt)
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