Yamaha YZF-R15

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Yamaha YZF-R15

Manufacturer	Yamaha Motor Company
Also called	Yamaha R15
Parent company	Yamaha Corporation
Production	2008–present
Class	Sport bike
Engine	149.8 cc (9.14 cu in) liquid-cooled 4-stroke 4-valve SOHC single-cylinder (2008–2017) 155.1 cc (9.46 cu in) liquid-cooled 4-stroke 4-valve SOHC single-cylinder with Variable Valve Actuation (2017–present)
Bore / stroke	57.0 mm × 58.7 mm (2.2 in × 2.3 in) (2008–2017) 58.0 mm × 58.7 mm (2.3 in × 2.3 in) (2017–present)
Compression ratio	10.4:1 (2008–2017) 11.6:1 (2017–present)
Transmission	6-speed constant mesh
Frame type	Steel twin-spar (Deltabox)
Suspension	Front: Conventional telescopic fork (2008–2017; India, 2008–present); Inverted telescopic fork (2017–present, except India) Rear: Aluminum swingarm with monoshock
Brakes	Front: Dual-piston caliper with single 270 mm (10.6 in) disc (2008–2017); Dual-piston caliper with single 282 mm (11.1 in) disc (2017–present) Rear: Single-piston caliper with single 220 mm (8.7 in) disc
Tires	(2008–2010) Front: 80/90-17; Rear: 100/80-17 (2011–2017) Front: 90/80-17; Rear: 130/70-17 (2017–present) Front: 100/80-17; Rear: 140/70-17
Rake, trail	26°, 98 mm (3.9 in) 88 mm (3.5 in) (2017-present)
Wheelbase	1,345 mm (53.0 in) (2008–2017) 1,325 mm (52.2 in) (2017–present)
Dimensions	L: 1,970 mm (78 in) (2008–2011) 1,975 mm (77.8 in) (2011–2017) 1,990 mm (78 in) (2017–present) W: 670 mm (26 in) (2008–2011) 660 mm (26 in) (2011–2017) 725 mm (28.5 in) (2017–present) H: 1,070 mm (42 in) (2008–2017) 1,135 mm (44.7 in) (2017–present)
Seat height	800 mm (31 in) (2008–2017) 815 mm (32.1 in) (2017–present)
Fuel capacity	12 l (2.6 imp gal; 3.2 US gal) (2008–2017) 11 l (2.4 imp gal; 2.9 US gal) (2017–present)
Oil capacity	1.15 l (0.25 imp gal; 0.30 US gal) 1.05 l (0.23 imp gal; 0.28 US gal)
Related	Yamaha FZ150i

The Yamaha YZF-R15 is a single cylinder sport bike made by Yamaha Motor Company since 2008.^[1] In September 2011, the second iteration, called v2.0, was released in India,^[2] and in April 2014 it was released in Indonesia.^[3] In January 2017, the third iteration of the bike, called v3.0, was launched in Indonesia.^[4]

Specifications[]

The engine for the first and second iteration (v2.0) was a 149.8 cc single cylinder four-stroke engine with four valves and a single overhead camshaft. The bore and stroke were 57.0 mm × 58.7 mm (2.24 in × 2.31 in). This engine had a claimed 12.2 kW (16.4 hp) of power at 8,500 rpm and 14.5 N⋅m (10.7 lbf⋅ft) of torque at 7,500 rpm. The radiator is placed in the front of the engine with a fan behind it. The coolant reserve is on the left side up and behind the radiator. The transmission is a return type six-speed with a constant mesh wet multi-plate clutch.

For the first and second iteration, the bike had a 270 mm (11 in) single disc with dual piston calipers in the front and a 220 mm single disc single piston caliper at the rear, both the brake systems being made by Nissin of Japan. The front suspension was a twin telescopic fork and the rear is a linked type single shock suspension. The bike has dual headlights like the other bikes of the YZF-R series.

For the 2017 update, the bike has a newer 155.1 cc engine. The bore and stroke are 58.0 mm × 58.7 mm (2.28 in × 2.31 in). This engine also get Variable Valve Actuation (VVA) technology and has a claimed 14.2 kW (19.0 hp) of power at 10,000 rpm and 14.7 N⋅m (10.8 lbf⋅ft) of torque at 8,500 rpm. The front disc is larger than the previous iteration, with a measured 282 mm (11.1 in). The front suspension is now an inverted twin telescopic fork. This iteration also features assist and slipper clutch.^[4]

v2.0[]

YZF-R15 v2.0

The YZF-R15 v2.0 had undergone changes as compared to the previous version in the cases of the engine control unit (ECU), swingarm, drivetrain unit, split-seat design, higher seat height, LED tail light, wider tires, larger gear ratio (15/47), longer wheelbase, rear mudguard, and redesigned middle and tail section. The engine performance was largely similar, still having a six-speed transmission and a linked type single shock suspension added on the back.^[5]

In India, another variation of the YZF-R15 v2.0 was also introduced, named YZF-R15S. This model is largely similar to standard YZF-R15 v2.0 except for a flatter single seat, different tail lamp and rear mudguard.

An unfaired, or streetfighter/naked bike, variation of the YZF-R15 v2.0, called the M-Slaz (also called Xabre in Indonesia; TFX150 in the Philippines and Vietnam),^[6] is made in Thailand,^[7] Indonesia, and Vietnam.

v3.0[]

YZF-R15 v3.0

The v3.0 has undergone changes as compared to the previous version in the cases of the updated bodywork and engine, now features VVA technology, assist and slipper clutch, hazard lamp, inverted front suspension fork, all-LED lighting system, full LCD panelmeter with shift indicator and wider tyres.^[4]

A streetfighter variation of the YZF-R15 v3.0, called the MT-15, was launched in Thailand on 6 October 2018,^[8][9] Indonesia on 18 January 2019,^[10] Vietnam on 7 March 2019 and India on 15 March 2019.^[11] The Indian version of the MT-15 uses a conventional telescopic fork instead of inverted type with the rest of the motorcycle being unchanged.

The retro-styled naked variation of the YZF-R15 v3.0, called the XSR155, was launched in Thailand on 16 August 2019.^[12]

The YZF-R15S based on the v3.0 model was launched on 17 November 2021.^[13]

v4.0[]

The YZF-R15 v4.0 was introduced in India on 21 September 2021. The flagship variant called YZF-R15M is also available.^[14]

References[]

External links[]

Wikimedia Commons has media related to Yamaha YZF-R15.

• Official website (India)