ID # 17801693

2021 Yamaha XSR900

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Based on the popular MT-09, the XSR900 is a beautiful blend of 3-cylinder performance and eye catching "authentic sports" styling. The XSR includes all of the MT-09's key features plus traction control and ABS equipped brakes. A natural riding position offers solid riding comfort while the slipper clutch with assist highlights the more serious sports side of the XSR. Tasty, timeless styling combined with plenty of Yamaha's latest technologies, the XSR is guaranteed to provide a fun, exciting ride.

Power
Liquid-cooled, 847 cc inline 3-cylinder fuel-injected engine with a downdraft intake. The engine has been tuned to provide plenty of low to mid-range torque with strong yet linear throttle response.

Styling
You won't find a lot of plastic parts on the XSR900. The "authentic sports" styling highlights Yamaha's long racing heritage, but don't be fooled, there is plenty of cutting edge technology under the aluminum shrouded fuel tank.

Instrumentation
Multifunction, digital instrument displays all the info discerning sport riders demand. From a bar style tach to gear position indicator, to instant & average fuel economy, this classic round design liquid crystal instrument adds function and style.

Key Highlights

847cc, DOHC, 4-valve / cylinder, liquid-cooled, 42.5 degree inclined, inline-3 cylinder engine
Offset, ceramic composite plated cylinder
CP3 crankshaft with fracture split connecting rods
Yamaha's chip controlled throttle (YCC-T)
Slipper clutch with assist function
D-Modes (3)

Engine

Compact, 847cc, DOHC, 12-valve (4/cyl), liquid-cooled, 42.5 degree inclined, inline-three cylinder engine.
- engine is tuned to provide plenty of low & mid-range torque
- strong yet linear throttle response
- meets or exceeds Europe's EU-4 emission regulations
4-valve, downdraft style combustion chamber
- excellent torque output… especially in the low to mid rpm range
- 4-valve design maximizes flow into & out of combustion chambers
- 31 mm intake & 25 mm exhaust valves
- stainless steel valves feature an Isonite surface treatment & carburized tips for excellent durability & wear resistance
Valve adjustment intervals are every 42,000 kms.
120 degree CP3... cross plane concept crankshaft.
- design reduces inertial torque while emphasizing linear torque
- design has been optimized to achieve strong torque over a broad rpm range
- fast, linear throttle response
- engine design allows a whole new level of "rider - machine communication"
Lightweight "coupling force balancer".
- reduces engine vibration for excellent rider comfort
"Fracture split" connecting rods feature a "nut-less" design.
- lower end "cap" of the rod is made from the same piece of material as the upper portion; the 2 pieces are "split" apart using a special fracturing process & then machined and re-mated
- design aids in establishing true big end roundness & greater precision in con rod dimensions for excellent durability despite the higher horsepower loads.
Lightweight, forged, aluminum short skirt pistons.
- lightweight design for fast engine response
- reduces mechanical vibration
- excellent durability
Direct ceramic composite plated cylinder uses "liner less" bores.
- ceramic coating sprayed directly on the aluminum block, eliminating the liners & reducing weight
- excellent heat dissipation for consistent power delivery
- coating enhances the thin film of oil between the cylinders & pistons, reducing friction & increasing power
Offset cylinder design.
- cylinder is "offset" relative to the crank (toward exhaust side)
- reduces frictional losses between the pistons & the cylinder walls during the power stroke for improved power output
One-piece cylinder & upper crankcase assembly.
- superior engine & chassis rigidity (engine is a stressed member)
- reduces weight
Lightweight, hollow, high performance camshafts.
- cam profiles are designed for excellent torque in the low & mid rpm range
Crankcases feature a "Tri-Axis" layout for the crank, main & drive axles.
- creates a more compact & shorter engine front to back
- shorter engine allows for optimum engine placement in the "sweet spot" of frame for desired weight distribution & great handling
Closed loop, Mikuni, 41 mm, throttle body fuel injection system.
- system uses throttle position sensor (TPS) & acceleration position sensor (APS)
- 12 hole injectors
- injectors spray fuel directly at the intake valve
- "closed loop system" uses an oxygen sensor to "sniff" spent exhaust & automatically adjust the fuel / air ratio for reduced emissions
- fuel injection benefits include choke-free starting, steady idling during warm up, excellent fuel economy & reduced emissions
Yamaha Chip Control Throttle (YCC-T).
- YCC-T electronically controls throttle valves for outstanding throttle response & controllability
- YCC-T system provides precise control of intake air volume for a smoother torque curve
- ECU that controls YCC-T is capable of responding to changes at a speed of 1000th of a second
Yamaha D-Mode variable throttle control … 3 modes available.
- enables the rider to adjust the performance characteristics of the engine based on riding preferences or riding conditions
- "STD" (standard) Mode emphasizes very linear throttle & torque feel of the engine
- "A" Mode allows the rider to enjoy even sportier engine performance in the low to mid rpms
- "B" Mode reduces throttle response for riding situations that require softer power characteristics, such as slippery or wet conditions
- D-Mode button is conveniently located on the RHS handle bar switch gear
Compact, slipper (back limiter) clutch with assist.
- slipper clutch reduces the negative effects of engine braking on handling & suspension
- reduces rear wheel hop/ chatter when decelerating for improved riding performance & smoother corner entries
- assist function reduces clutch lever effort by up to 20%
Electronic Control Unit (ECU) utilizes a powerful 32-bit processor for fast control of the injection, engine management & ignition processes.
Air box features unequal internal intake funnel lengths for all 3 cylinders
- benefit is a wide torque curve & exciting intake sound that accentuates the exhaust note
- viscous paper type air filter is used
Compact 6-speed transmission.
- gear ratios are optimized to accentuate the torque & throttle response of the engine
Flat design radiator for excellent cooling efficiency.
- aluminum side covers (left & right sides) adds style to the rad
Liquid-cooled, oil cooler maintains stable lubricant temperatures for extended engine life.
Convenient spin-on type oil filter & easy access drain plug for fast oil changes.
Maintenance-free transistor controlled ignition (TCI).
- produces a strong spark for fast starts
- provides precise ignition timing / mapping for optimum engine performance at all rpms
Stylish, low mounted, 3 into 1 exhaust system.
- muffler is a triple expansion type with a 3-way honeycomb catalyzer to reduce harmful emissions
- low mounted design centralizes mass for excellent handling & light weight feeling
Air Injection System (AIS… not ram air) injects fresh air into exhaust ports to fully burn any unburnt fuel, reducing exhaust emissions.

Chassis

CF (Controlled Filling) die cast, twin spar, diamond-type, aluminum frame
- provides an optimized rigidity balance for sporty handling & excellent stability
- engine is a stressed member of the chassis, allowing a lighter, more compact main frame
- light, agile handling qualities
Riding position is one of the most important features of the XSR900 chassis.
- upright, natural riding position offers a balance between sporty riding & excellent rider comfort
Key chassis geometry figures include:
- 1440 mm (56.7") wheelbase, 25 degrees of rake & 103 mm of trail
- front to rear weight distribution is 51 / 49%
- lean angle is approximately 50 degrees, highlighting the sporty nature of the XSR900
- chassis dimensions & shape are designed to enhance the qualities of the 3 cylinder engine & to centralize mass & lower the centre of gravity
Detachable, round tube steel rear sub frame.
- allows easy access to rear suspension components
- reduces costs in the event of damage
Externally mounted, C.F. (Controlled Filling) die cast aluminum, truss-type rear swingarm.
- external design means the swingarm mounts on the outside of the frame spars… not the inside
- external design keeps unit narrower in the seat - fuel tank junction which influences seat height & makes it easier to touch the ground
- lightweight design reduces unsprung weight for superior suspension performance
- excellent rear wheel traction & control
Adjustable, 41 mm inverted cartridge style fork offers 137 mm (5.4") of wheel travel.
- adjustments include; 15 mm of spring preload adjustment & 12-way rebound damping
- inverted design benefits include: reduced "unsprung" weight & reduced fork flex since the larger diameter tubes are gripped in the triple clamps
- adjustable design allows the rider to tailor suspension settings to match rider weight, load, road conditions & riding style to maximize suspension performance & handling
Lightweight, aluminum upper & lower triple clamps.
Adjustable link-type Monocross rear suspension with 130 mm (5.1") of wheel travel.
- rear shock adjustments include: 7-steps of spring preload & 3 turns of rebound damping
ABS equipped, dual 298 mm floating front discs squeezed by radial mount, mono-block, 4-piston calipers.
- radial mount design helps to reduce caliper distortion for improved braking performance
- master cylinder uses a 16 mm piston
- excellent stopping power & control with good lever feedback
5-position adjustable front brake lever
ABS equipped, 245 mm rear disc is squeezed by a lightweight single piston, slide-type Nissin caliper.
ABS or Anti-Lock Braking System.
- controlling ECU & hydraulic unit are combined into a single compact unit
- when ABS system senses impending wheel lock-up (via active type wheel sensors) it regulates hydraulic pressure to the point just before the wheel(s) lock-up
- ABS benefits include; excellent control under hard braking or when braking on wet, slippery or loose surfaces
- design reduces weight & centralizes mass
Lightweight, cast-aluminum 10-spoke wheels.
- lightweight design reduces unsprung weight for excellent suspension & handling characteristics
- front rim size is MT3.50-17
- rear rim size is MT5.50-17
Conventional, tapered aluminum handlebar.
- lightweight & strong
- offers a comfortable, upright riding position for excellent all day riding comfort
- traditional design allows easy replacement to a different "bend" if desired
14-litre fuel tank with replaceable aluminum tank covers.
- slim design with great knee grip
- reserve portion of the tank is 2.7 litres (low fuel light illuminates)
- internal electric fuel pump
- exterior replaceable tank covers /side panels… reduce expenses if damaged
One piece rider & passenger seat (seat is slightly shorter than FZ-09).
- seat height is 830 mm (32.7")
Round, retro design, liquid crystal multi-function meter / instrument.
- functions (all digital) include: speedo, bar-style tachometer, odometer, dual trip meters, fuel gauge, fuel reserve trip meter (counts kilometers since low fuel warning flashed) coolant temp, gear indicator, instant & average fuel consumption, clock, intake air temp, D-mode display, TCS indicator & ECO indicator
- full range of warning lights including ABS & TCS status
- adjustable background illumination
Neo-retro style 65/55 watt halogen headlight with retro style aluminum headlight brackets / stays.
- highlights the XSR900's "neo-retro authentic sports styling"
Vintage style 19 LED rear tail light.
Neo-retro "authentic sports" body design.
- front fender with aluminum stay, fuel tank panels (3), side covers, rear fender , mirrors & mud guard

Additional Features

Lightweight forged aluminum footrests, shifter & rear brake pedal
Lockable steering
Durable "O"-ring drive chain
4-way emergency flasher
Convenient oil level sight glass.
Bungee cord hook points on passenger footpeg mounts
Excessive lean angle engine cut-out switch (if unit is on its side the engine will shut down)
Low-maintenance sealed battery (battery should be charged during winter storage)
Yamaha diagnostic tool connector
NOTE: The XSR900 offers a significant level of power and performance. It is not intended for novice or inexperienced riders.

Specifications

Model

XSR

Category Name

Motorcycles

Year

2021

Manufacturer

Yamaha

Color

Radical White

Width

815mm (32.1'')

Engine

Liquid-cooled, DOHC, 12-valve (4-valves/cyl), inline-three cylinder

Height

1,140mm (44.9'')

Length

2,075mm (81.7'')

Wheelbase

1,440mm (56.7'')

Final Drive

''O'' ring chain

Transmission

6-speed

Fuel Capacity

14 litres (3.1 imp. gallons)

Bore And Stroke

78 x 59.1 mm

Ground Clearance

135 mm (5.3'')

Compression Ratio

11.5:1

Ignition / Starting

TCI / Electric

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2021 Yamaha XSR900

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