Yamaha YZF-R25: review, history, specs

From BikesWiki.com, Japanese Motorcycle Encyclopedia

Class: sport

Production: 2015+

Also called: Yamaha R25

Related: Yamaha YZF-R3

Models
Yamaha YZF-R25

2015-2018

(Japan)

Yamaha YZF-R25

2019+

(Japan)

Yamaha YZF-R25 (2015-2018)
Yamaha YZF-R25 (2019+)

History

History
Year Country Name / Frame / Engine
2015 Japan Name: Yamaha YZF-R25; Yamaha YZF-R25A (ABS)
2016 Japan Name: Yamaha YZF-R25; Yamaha YZF-R25A (ABS)
2017 Japan Name: Yamaha YZF-R25; Yamaha YZF-R25A (ABS)
2018 Japan Name: Yamaha YZF-R25; Yamaha YZF-R25A (ABS)
2019 Japan Name: Yamaha Yamaha YZF-R25; Yamaha YZF-R25 ABS
2020 Japan Name: Yamaha YZF-R25; Yamaha YZF-R25 ABS
2021 Japan Name: Yamaha YZF-R25; Yamaha YZF-R25 ABS
2022 Japan Name: Yamaha YZF-R25; Yamaha YZF-R25 ABS
2023 Japan Name: Yamaha YZF-R25; Yamaha YZF-R25 ABS

Specifications

Yamaha YZF-R25: specs.

Specifications
DIMENSIONS Overall length 2090 mm / 82,3 in
Overall width 720 mm / 28,3 in

730 mm / 28,7 in - from 2019

Overall height 1135 mm / 44,7 in

1140 mm / 44,9 in - from 2019

Seat height 780 mm / 30,7 in
Wheelbase 1380 mm / 54,3 in
Ground clearance 160 mm / 6,3 in
Dry weight
Curb (wet) weight 166 kg / 366 lbs – YZF-R25 (2015-2018)

167 kg / 368 lbs – YZF-R25 (2019+)

169 kg / 372 lbs – YZF-R25 (ABS) 2015-2018

170 kg / 375 lbs – YZF-R25 (ABS) 2019+

FRAME Type Diamond (steel)
Front suspension, travel Telescopic fork 41 mm, 130 mm / 5,1 in

37 mm inverted telescopic fork, 130 mm / 5,1 in - from 2019

Rear suspension, travel Swingarm with mono-shock (adjustable spring pre-load), 125 mm / 4,9 in
Front tire size 110/70-17M/C (54S)
Rear tire size 140/70-17M/C (66S)
Front brake Single disc, 298 mm, 2-piston caliper (option - ABS)
Rear brake Single disc, 220 mm, 1-piston caliper (option - ABS)
Fuel capacity 14,0 l / 3,7 US gal (reserve - 3,0 l)
Trail 95 mm / 3,7 in
Fuel economy / consumption 3,67 l / 100 km (64 US mpg)[1]
ENGINE Type Liquid-cooled 4-stroke
Cylinder arrangement 2-cylinders in-line
Bore & Stroke 60,0 x 44,1 mm
Displacement 249 cm³ (15,2 cu in)
Compression ratio 11.6:1
Valve train Chain driven DOHC, 4 valves per cylinder
Max. power 35,0 hp (26,0 kW) / 12000 rpm
Max. torque 23,0 Nm (2,4 kgf*m) / 10000 rpm
Acceleration 0 to 100 km/h (0-60 mph) 7,5 sec.[2]
Top speed 188 km/h (117 mph)[3]
CARBURETION SYSTEM Type Fuel injection
ID
DRIVE TRAIN Clutch Wet, multi-plate, cable operated
Transmission 6-speed
Final drive Chain
Primary reduction 3.043
Final reduction
Gear ratio

I

II

III

IV

V

VI


2.666

1.882

1.454

1.200

1.037

0.920

ELECTRICAL Ignition TCI
Alternator A.C. Magneto, 14V 21,3A at 5000 rpm
Battery capacity 12V-7Ah

Images

Yamaha YZF-R25: images, gallery.

Yamaha YZF-R25 (2015-2018)
Yamaha YZF-R25 (2019+)
Yamaha YZF-R25 (2015-2018)
Yamaha YZF-R25 (2019+)

Videos

Yamaha YZF-R25: video.

YZF R25 - OSAKA MOTORCYCLE SHOW 2019

Manuals

Yamaha YZF-R25: manuals, parts, microfiches.

  1. yamaha-motor.co.jp | YZF-R25 | 燃料消費率 (WMTC)
  2. youtube.com/watch?v=St3HmerZuPo | 2020 Yamaha Yzf R25 Acceleration 0 to 100 Km/h
  3. youtube.com/watch?v=6_0xlRP-iY4 | Yamaha 2019 R25 TopSpeed