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{{DISPLAYTITLE:{{PAGENAME}} Zephyr 550: history, specs, pictures}}
{{Infobox Motorcycle
{{Motorcycle
|name            = Kawasaki ZR550B
|name            = Kawasaki ZR550 Zephyr
|image           =  
|photo           = Kawasaki-Zephyr-550.jpg
|aka              = Zepher 550
|aka              = Zepher 550, ZR 550 Zephyr
|manufacturer    = [[Kawasaki]]
|manufacturer    = Kawasaki
|parent_company  =  
|parent_company  =
|production      = 91
|production      = 1990 - 1999
|model_year      =  
|model_year      =
|predecessor      =  
|predecessor      =
|successor        =  
|successor        =
|class            =  
|class            = Road
|engine          = 550cc
|engine          = 553[[cc]] [[Four-stroke]] [[inline-four]] cylinder. [[DOHC]], oil-cooled, 2 valves per cylinder.
|bore_stroke      =  
|bore_stroke      = 58.0mm x 52.4mm <ref name="owners">{{cite book|title=1990 Kawasaki EL250E owners manual|publisher=Kawasaki}}</ref>
|compression      =  
|compression      = 9.5:1
|top_speed        =  
|top_speed        = 99 mph (160 km/h)
|power            =  
|power            = 48.95 HP (36.5 KW) @ 10000RPM
|torque          =  
|torque          = 29.5 ft/lbs (40.0 Nm) @ 6000RPM
|fuel_system      = 4 30mm Keihin CVK30 carburetors
|ignition        =  
|ignition        =  
|spark_plug      = {{sparkplug|NGK DR9EA}} '91<ref name="owners" />
|spark_plug      = {{sparkplug|DR9EA}} '91
|battery          = {{battery|YUASA YB12A-A}} '91
|battery          = {{battery|YB12A-A}} '91
|transmission    = Gear box: 6-speed <br>
|transmission    =  
Clutch: wet plate <br>
|frame            =  
|final_drive={{chain|520x108}}
|suspension      =  
|front_sprocket=16T
|brakes          =  
|rear_sprocket=41T
|front_tire      = {{tire|110/80-17}} '91
|frame            =
|rear_tire    = {{tire|140/70-18}} '91
|suspension      =Front: 39mm Telescopic forks <br>
|rake_trail      =  
Rear: Dual Kayaba shocks with preload and rebound adjustments
|wheelbase        =  
|brakes          =Front: 2x 300mm discs 2 [[piston]] [[calipers]] <br>Rear: Single 245mm disc 1 piston caliper
|length          =  
|front_tire      = {{tire|110/80-17}}  
|width            =  
|rear_tire    = {{tire|140/70-18}}  
|height          =  
|rake_trail      =
|seat_height      =  
|wheelbase        = 1435 mm (56.5 in)
|dry_weight      =  
|length          = 2080 mm (84.25 in)
|wet_weight      =  
|width            = 755 mm (29.7 in)
|fuel_capacity    =  
|height          = 1095 (43.11 in)
|oil_capacity    =  
|seat_height      =
|fuel_consumption =  
|dry_weight      = 179 kg / 394.6 lbs
|turning_radius  =  
|wet_weight      = 206.0 kg
|related          =  
|fuel_capacity    = 3.96 Gallon (14.98 Liters)
|competition      =  
|fuel_consumption = 4.12 liters/100 km (24.3 km/l or 57.09 mpg)
|oil_capacity    = 3.0 L (3.2 US qt)
|recommended_oil  = K-tech SAE 10W-40
|oil_filter      = {{oilfilter|K&N KN-401}}<ref name="kl_2019">{{cite book|title=2019 K&L Supply Co Catalog|publisher=[https://www.klsupply.com/ K&L Supply Co]|date=2019}}</ref>
|turning_radius  =
|related          = [[Kawasaki GT550]] <br />[[Kawasaki ZX550A]]
|competition      =
|manuals          = [[:File:1990 Kawasaki ZR550-B2 owners.pdf]]
|air_filter= {{airfilter|K&N KA-0850}} `90-99<ref name="kl_2019">{{cite book|title=2019 K&L Supply Co Catalog|publisher=[https://www.klsupply.com/ K&L Supply Co]|date=2019}}</ref>
}}
}}


The '''[[Kawasaki]] ZR550B Zephyr 550''' was a in-line four, [[four-stroke]] Road [[motorcycle]] produced by [[Kawasaki]] in 1990. It could reach a top speed of 137 mph (220 km/h). Claimed [[horsepower]] was 48.95 HP (36.5 KW) @ 10000 RPM. 
The '''Kawasaki ZR550B''' is a [[motorcycle]] produced by [[Kawasaki]] in 1991.
 
== Overview ==
 
The Zephyr 550 was the smallest of the Zephyr range, and in some ways ahead of its time. Launched in 1991 as a stylish naked retro roadster, it occupied a niche later made very successful by
Suzuki's Bandit. It used the air-cooled engine from the [[Kawasaki ZX550A|GPZ550]], de-tuned for mid-range power, with minor cosmetic changes. The elderly engine was installed in a good-looking rolling chassis. A box-section aluminum twin-shock swingarm used sports-style eccentric chain adjusters, while a
classically styled fuel tank and chrome-plated exhaust system rounded off the handsome design. The Zephyr's straight-line performance was disappointing though: the engine that produced 48kW (65bhp) in the GPZ550 was returned to make just 37kW (49bhp).
 
==Engine==
The engine was a oil & [[air cooled]] in-line four, four-stroke. A 58.0mm [[bore]] x 52.4mm [[stroke]] result in a [[displacement]] of just 553.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin [[cam]] (dohc). 
 
==Drive==
The bike has a 6-speed transmission. Power was moderated via the wet plate clutch.
 
==Chassis==
It came with a 110/80-17 front [[tire]] and a 140/70-18 rear tire. Stopping was achieved via 2x 300mm discs 2 piston calipers in the front and a Single 245mm disc 1 piston [[caliper]] in the rear. The front suspension was a  39mm Telescopic forks while the rear was equipped with a Dual Kayaba shocks with preload and rebound adjustments. The ZR550 Zephyr was fitted with a 15 Liters / 3.9 US gal fuel tank. The bike weighed just 179 kg / 394.6 lbs. 
 
 
== Photos ==
<gallery mode='packed-hover'>
File:Kawasaki-Zephyr-550.jpg|600px|Kawasaki ZR550 Zephyr
File:Kawasaki-Zephyr-550-1.jpg|600px|Kawasaki ZR550 Zephyr
File:kawasaki-zephyr-550-1991-1998-3.jpg|600px|1991 - 1998 Kawasaki Zephyr 550
File:kawasaki-zephyr-550-1991-1998-2.jpg|600px|1991 - 1998 Kawasaki Zephyr 550
File:kawasaki-zephyr-550-1991-1998-0.jpg|600px|1991 - 1998 Kawasaki Zephyr 550
</gallery>
 
==Specifications==
{|  class="wikitable"
|-
!Make Model
|Kawasaki 550 Zephyr
|-
!Year
|1991
|-
!Engine Type
|Four stroke Transverse four cylinder. DOHC, 2 valves per cylinder.
|-
!Displacement
|553 cc / 33.7 cu-in
|-
!Bore X Stroke
|58 x 52.4 mm
|-
!Cooling System
|Air cooled
|-
!Compression
|9.5:1
|-
!Induction
|4x 30mm Keihin carburetors
|-
!Ignition
|
|-
!Starting
|Electric
|-
!Max Power
|49 hp / 37 kW @ 10000 rpm
|-
!Max Torque
|40 Nm / 29.5 lb-ft @ 6000 rpm
|-
!Transmission
|6 Spee
|-
!Final Drive
|Chain
|-
!Front Suspension
|39mm Telescopic forks
|-
!Rear Suspension
|Dual Kayaba shocks with preload and rebound adjustments
|-
!Front Brakes
|2x 300mm discs 2 piston calipers
|-
!Rear Brakes
|Single 245mm disc 1 piston caliper
|-
!Front Tire
|110/80-17
|-
!Rear Tire
|140/70-18
|-
!Dry Weight
|179 kg / 394.6 lbs
|-
!We -weight
|206 kg / 454 lbs
|-
!Fuel Capacity
|15 Liters / 3.9 US gal
 
|}


==1990==
==1990==
Line 299: Line 189:
*Owner's Manual No. - 99922-1898-01, (DE) 99923-1482-01
*Owner's Manual No. - 99922-1898-01, (DE) 99923-1482-01
*Service Manual No. - 99924-1136-02
*Service Manual No. - 99924-1136-02
==In Movies==
* [https://motopixel.org/pixel/blue-bloods#kawasaki-zr550b-zephyr Blue Bloods]
* [https://motopixel.org/pixel/khamsa#kawasaki-zr550b-zephyr Khamsa]
* [https://motopixel.org/pixel/stingers#kawasaki-zr550b-zephyr Stingers]
== References ==
{{reflist}}
{{motorcycle-stub}}
{{motorcycle-stub}}
{{Kawasaki}}


[[Category:Kawasaki motorcycles|ZR550B]]
[[Category:Kawasaki motorcycles|ZR550B]]
[[Category:Kawasaki ZR series]]
[[Category:Kawasaki ZR series]]
[[Category:1990s motorcycles]]

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