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{{Motorcycle
|name            = Kawasaki KZ650B
|photo= 1977-kawasaki-kz650-b1.jpg
|aka              = Z650
|manufacturer    = Kawasaki
|parent_company  =
|production      = 77-79
|model_year      =
|predecessor      =
|successor        =
|class            = Road
|engine          = 650[[cc]] [[DOHC]] [[4-stroke]], [[air-cooled]]<ref name="owners">{{cite book|title=1978 Kawasaki KZ650B2 owners manual|publisher=Kawasaki}}</ref>
|bore_stroke      = 62 mm x 54 mm<ref name="owners" />
|compression      = 9.5:1<ref name="owners" />
|top_speed        =120 mph
|power            = 64 HP @ 8,500 rpm<ref name="owners" />
|torque          = 41.9 ft-lbs @ 7,000rpm<ref name="owners" />
|ignition        =
|fuel_system      = Mikuni VM24SS
|spark_plug      = {{sparkplug|NGK B7ES}} '77-79 <ref name="owners" />
|battery          = {{battery|YUASA YB10L-A2}} '77-79
|transmission    =
|frame            =
|suspension      =
|brakes          =
|front_tire      = {{tire|3.25-19}} '77-79
|front_tire_psi  = 28
|rear_tire    = {{tire|4.00-18}} '77-79
|rear_tire_psi    = 32
|rake_trail      =
|wheelbase        =
|length          =
|width            =
|height          =
|seat_height      =
|dry_weight      =
|wet_weight      =
|fuel_capacity    = 4.5 US gal (17.2 L)
|oil_capacity    = 3.5 L (3.7 US qt)
|recommended_oil  = K-tech 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>
|fuel_consumption =
|turning_radius  =
|related          = [[Kawasaki KZ650B]]<br />[[Kawasaki KZ650C]] <br /> [[Kawasaki KZ650F]]
|competition      =  [[BMW R65]]<br />[[Honda CB650]]<br />[[Honda CX500]]<br />[[Kawasaki KZ650B]]<br />[[Suzuki GS550]]<br />[[Yamaha XS650]]<br />[[Yamaha SR500]]
|manuals          = [[:File:1978 Kawasaki KZ650 B2 Owners Manual.pdf]]<br />
[[:File:Kawasaki KZ650B 1976 Kawasaki Service Manual.pdf]]
|final_drive= {{chain|530}} `77-79<ref name="wps_street_2019">{{cite book|title=2019 Western Power Sports Catalog|publisher=[https://www.wps-inc.com/catalogs Western Power Sports]|date=2019}}</ref>
}}
The [[Kawasaki|Kawasaki]] Z650 was a motorcycle made by Kawasaki from 1977 through 1979. It had an engine displacement of 652cc featuring a double overhead camshaft. The gear box was a five speed.
The Z650 was introduced to the trade in 1976 and was very popular. 64 bhp was claimed with a dry weight of only 465 lbs, making a top speed of nearly 120mph possible. But more importantly, this new model handled like no other Kawasaki. For once all the available power could be used in relative safety. The Z650 was considered the 'Son of Z1' having been designed by the Grand Master himself, Ben 'Mr Z1' Inamura. The Z650 had the agility of a 500 with the performance of a 750, and was considered by many to be the best Kawasaki so far.
==1977 KZ650-B1==
==1977 KZ650-B1==
[[Image:1977-kawasaki-kz650-b1.jpg|left|thumb|1977 Kawasaki KZ650-B1]]
[[Image:1977-kawasaki-kz650-b1.jpg|left|thumb|1977 Kawasaki KZ650-B1]]
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Four-stroke, four-cylinder, street model. Has 4-into-2 exhausts, sealed-in grease drive chain, and starter lockout switch.
Four-stroke, four-cylinder, street model. Has 4-into-2 exhausts, sealed-in grease drive chain, and starter lockout switch.


This four-stroke four-cylinder motorcycle boasted double overhead camshafts just like the bigger Z1 and Kawasaki claimed 64 BHP from the 652cc motor. Unlike the Z1, the 650 used a plain bearing crankshaft and used a primary drive chain instead of a gear driven unit. A single 245mm disk was used up front with a 250mm drum on the rear, more than enough to handle this relatively lightweight bike. It was offered in two colors, candy super red or candy emerald green, the green proved very popular in the UK.


*650 cc
*650 cc
*[[Four-stroke]], 4 Cylinder
*4-Stroke, 4 Cylinder
*Dual Over Head Camshaft
*Dual Over Head Camshaft
*5-Speed Return Shift
*5-Speed Return Shift
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*Owner's Manual No.: 99920-1018-00, (Europe) 99922-1010-00
*Owner's Manual No.: 99920-1018-00, (Europe) 99922-1010-00
*Shop Manual No.: 99924-1001-00
*Shop Manual No.: 99924-1001-00
*Major Changes: Color, carburetors, brake [[caliper]] position, brake master cylinder, and generator. Disphragm fuel tap and 4-way flashers adopted. Needle bearings are used in swing arm.
*Major Changes: Color, carburetors, brake caliper position, brake master cylinder, and generator. Disphragm fuel tap and 4-way flashers adopted. Needle bearings are used in swing arm.
 
The front calipher was moved to the back of the fork leg; master cylinder was changed from a round to triangular configuration.  A three-phase [[charging system]] replaced with two-phase; [[regulator]] and [[rectifier]] were now a combined unit.  The footpegs were now rubber mounted.
 
Two colors were offered for 1978, luminous dark blue or luminous burnt red. These proved to be unpopular and the B2 sold no where near as well as the B1. Very few other differences were made to the B2. The front brake caliper was reversed to the back of the fork leg and the front master cylinder was changed from a round item to a triangular one. The charging system was changed from a three-phase system to a two phase and the regulator and rectifier was now a combined unit. The cam chain tensioner was changed to an automatic unit and a hazard switch was added to the left-hand switchgear. Needle roller bearings were now used in the swingarm instead of the previous model bushes and slight modifications were made to the carbs to improve low speed operation. The fuel tap was replaced with a diaphragm type unit. There were also slight detail changes to the outer engine cases to incorporate the new lower case Kawasaki logo. The front footrests were now rubber mounted to combat vibration and the front forks were slightly modified.


==1979 KZ650-B3==
==1979 KZ650-B3==
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*650 cc
*650 cc
*[[Four-stroke]], 4 Cylinder
*4-Stroke, 4 Cylinder
*Dual Over Head Camshaft
*Dual Over Head Camshaft
*5-Speed, Return Shift
*5-Speed, Return Shift
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**(US)99920-1052-04,(Europe)(West Germany) 99922-1031-01
**(US)99920-1052-04,(Europe)(West Germany) 99922-1031-01
*Remarks: Street model. 4-into-2 exhausts. Automatic camshaft chain tensioner.
*Remarks: Street model. 4-into-2 exhausts. Automatic camshaft chain tensioner.
The only difference over the B2 model was a change of graphics and a return to the original green and red colors. Sales once again picked up. The new lower case tank badges were also used. This time the red color was described as candy persimmon red.
==References==
{{reflist}}
{{motorcycle-stub}}
{{motorcycle-stub}}
{{template:Kawasaki KZ}}
{{Kawasaki}}


[[Category:Kawasaki motorcycles|KZ650B]]
[[Category:Kawasaki motorcycles|KZ650B]]
[[Category:Kawasaki KZ series]]
[[Category:Kawasaki KZ series]]

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