Engineering:Yamaha YZF-R25

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yamaha YZF-R25 / MT-25
Yzf-r1.JPG
ManufacturerYamaha Motor Company
Also calledYamaha R25
Parent companyYamaha Corporation
Production2014–present
2015–present (MT-25)
AssemblyIndonesia: Karawang, West Java (Yamaha Indonesia Motor Manufacturing)
ClassSport bike
Naked bike[1]
Engine250 cc (15.3 cu in) liquid-cooled 4-stroke 8-valve DOHC inline-twin
Bore / stroke60.0 mm × 44.1 mm (2.4 in × 1.7 in)
Compression ratio11.6:1
Power26.5 kW (35.5 hp) @ 12,000 rpm
Torque22.1 lb⋅ft (30.0 N⋅m) @ 10,000 rpm
Transmission6-speed constant-mesh, manual
Frame typeSteel diamond
SuspensionFront: 41 mm telescopic fork
Rear: swingarm
BrakesFront: Single 298 mm hydraulic disc
Rear: Single 220 mm hydraulic disc
TiresFront: 110/70-17
Rear: 140/70-17
Rake, trail25°, 95 mm (3.7 in)
Wheelbase1,380 mm (54 in)
DimensionsL: 2,090 mm (82 in)
W: 720 mm (28 in)
745 mm (29.3 in) (MT-25)
H: 1,135 mm (44.7 in)
1,035 mm (40.7 in) (MT-25)
Seat height780 mm (31 in)
Fuel capacity14.3 L (3.1 imp gal; 3.8 US gal)
RelatedYamaha YZF-R3
Yamaha MT-03

The Yamaha YZF-R25 is a motorcycle manufactured by Yamaha since 2014. It is Yamaha's first 250 cc sport motorcycle since the four-cylinder FZR250 that was sold between 1986 and 1994. A first for Yamaha twins, in common with the R3, the R25 uses an offset cylinder design.[2]

The YZF-R25 was updated for 2019.[3]

Yamaha MT-25

2016 Yamaha MT-25

The Yamaha MT-25 is the naked bike version of the YZF-R25, part of the MT series of standard motorcycles and manufactured by Yamaha since 2015.

The MT-25 received an update in October 2019.[4]

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