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{{DISPLAYTITLE:{{PAGENAME}}: history, specs, pictures}}
{{Infobox Motorcycle
{{Motorcycle
|name            = Yamaha YZ490
|name            = Yamaha YZ490
|photo= 1982-Yamaha-YZ490J-Yellow-0.jpg
|image            =  
|aka              =  
|aka              =  
|manufacturer    = Yamaha
|manufacturer    = [[Yamaha]]
|parent_company  =  
|parent_company  =  
|production      = 82-90
|production      = 82-90
|model_year      =  
|model_year      =  
|predecessor      = [[Yamaha YZ465]]
|predecessor      =  
|successor        =  
|successor        =  
|class            =Motorcross
|class            =  
|engine          = 490
|engine          = 490
|bore_stroke      =  
|bore_stroke      =  
|compression      =  
|compression      =  
|top_speed        =88 mph
|top_speed        =  
|power            =  
|power            =  
|torque          =  
|torque          =  
|ignition        =  
|ignition        =  
|spark_plug      = {{sparkplug|NGK B9EG}} '82 , '83-85 , '86-87<br />{{sparkplug|NGK B8EG}} '88-90
|spark_plug      = {{sparkplug|3.00-21}} '82<br />{{sparkplug|80/100-21}} '86-87 , '88-90<br />{{sparkplug|100/90-21}} '83-85
|battery          =
|battery          = {{battery|B9EG}} '82 , '83-85 , '86-87<br />{{battery|B8EG}} '88-90
|transmission    =  
|transmission    =  
|frame            =  
|frame            =  
|suspension      =  
|suspension      =  
|brakes          =  
|brakes          =  
|front_tire      = {{tire|3.00-21}} '82<br />{{tire|80/100-21}} '86-87 , '88-90<br />{{tire|100/90-21}} '83-85
|front_tire      = {{tire|140/80-18}} '83-85<br />{{tire|110/100-18}} '88-90<br />{{tire|140/90-18}} '82<br />{{tire|80/100-18}} '86-87
|rear_tire    = {{tire|140/80-18}} '83-85<br />{{tire|110/100-18}} '88-90<br />{{tire|140/90-18}} '82<br />{{tire|80/100-18}} '86-87
|rear_tire    = {{tire|520-110}} '82<br />{{tire|520-112}} '83-85 , '86-87 , '88-90
|rake_trail      =  
|rake_trail      =  
|wheelbase        =  
|wheelbase        =  
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|fuel_capacity    =  
|fuel_capacity    =  
|oil_capacity    =  
|oil_capacity    =  
|recommended_oil= Yamalube 10w-40
|fuel_consumption =  
|fuel_consumption =  
|turning_radius  =  
|turning_radius  =  
|related          = [[Yamaha IT490]]
|related          =  
|competition      =  
|competition      =  
}}
}}
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==1982==
==1982==
<gallery mode="packed-hover">
[[Image:1982-Yamaha-YZ490J-Yellow-0.jpg|left|thumb|1982 Yamaha YZ490J in Yellow]][[Image:1982-Yamaha-YZ490J-Yellow-1.jpg|left|thumb|1982 Yamaha YZ490J in Yellow]][[Image:1982-Yamaha-YZ490-Yellow-1228-0.jpg|left|thumb|1982 Yamaha YZ490 in Yellow]][[Image:1982-Yamaha-YZ490-Yellow-1228-1.jpg|left|thumb|1982 Yamaha YZ490 in Yellow]][[Image:1982-Yamaha-YZ490-Yellow-1228-2.jpg|left|thumb|1982 Yamaha YZ490 in Yellow]][[Image:1982-Yamaha-YZ490-Yellow-1228-3.jpg|left|thumb|1982 Yamaha YZ490 in Yellow]][[Image:1982-Yamaha-YZ490-Yellow-1228-4.jpg|left|thumb|1982 Yamaha YZ490 in Yellow]][[Image:1982-Yamaha-YZ490-Yellow-1228-5.jpg|left|thumb|1982 Yamaha YZ490 in Yellow]][[Image:1982-Yamaha-YZ490-Yellow-2991-0.jpg|left|thumb|1982 Yamaha YZ490 in Yellow]][[Image:1982-Yamaha-YZ490-Yellow-2991-1.jpg|left|thumb|1982 Yamaha YZ490 in Yellow]][[Image:1982-Yamaha-YZ490-Yellow-2991-2.jpg|left|thumb|1982 Yamaha YZ490 in Yellow]][[Image:1982-Yamaha-YZ490-Yellow-2991-3.jpg|left|thumb|1982 Yamaha YZ490 in Yellow]][[Image:1982-Yamaha-YZ490-Yellow-2991-4.jpg|left|thumb|1982 Yamaha YZ490 in Yellow]]
File:1982-Yamaha-YZ490J-Yellow-0.jpg|left|thumb|1982 Yamaha YZ490J in Yellow
<br style="clear: left"/>
File:1982-Yamaha-YZ490J-Yellow-1.jpg|left|thumb|1982 Yamaha YZ490J in Yellow
File:1982-Yamaha-YZ490-Yellow-1228-0.jpg|left|thumb|1982 Yamaha YZ490 in Yellow
File:1982-Yamaha-YZ490-Yellow-1228-1.jpg|left|thumb|1982 Yamaha YZ490 in Yellow
File:1982-Yamaha-YZ490-Yellow-1228-2.jpg|left|thumb|1982 Yamaha YZ490 in Yellow
File:1982-Yamaha-YZ490-Yellow-1228-3.jpg|left|thumb|1982 Yamaha YZ490 in Yellow
File:1982-Yamaha-YZ490-Yellow-1228-4.jpg|left|thumb|1982 Yamaha YZ490 in Yellow
File:1982-Yamaha-YZ490-Yellow-1228-5.jpg|left|thumb|1982 Yamaha YZ490 in Yellow
File:1982-Yamaha-YZ490-Yellow-2991-0.jpg|left|thumb|1982 Yamaha YZ490 in Yellow
File:1982-Yamaha-YZ490-Yellow-2991-1.jpg|left|thumb|1982 Yamaha YZ490 in Yellow
File:1982-Yamaha-YZ490-Yellow-2991-2.jpg|left|thumb|1982 Yamaha YZ490 in Yellow
File:1982-Yamaha-YZ490-Yellow-2991-3.jpg|left|thumb|1982 Yamaha YZ490 in Yellow
File:1982-Yamaha-YZ490-Yellow-2991-4.jpg|left|thumb|1982 Yamaha YZ490 in Yellow
</gallery>
 


==1983==
==1983==
<gallery mode="packed-hover">
[[Image:1983-Yamaha-YZ490K-Yellow-4676-0.jpg|left|thumb|1983 Yamaha YZ490K in Yellow]][[Image:1983-Yamaha-YZ490K-Yellow-4676-1.jpg|left|thumb|1983 Yamaha YZ490K in Yellow]][[Image:1983-Yamaha-YZ490K-Yellow-4676-2.jpg|left|thumb|1983 Yamaha YZ490K in Yellow]][[Image:1983-Yamaha-YZ490K-Yellow-4676-3.jpg|left|thumb|1983 Yamaha YZ490K in Yellow]][[Image:1983-Yamaha-YZ490K-Yellow-4676-4.jpg|left|thumb|1983 Yamaha YZ490K in Yellow]]
File:1983-Yamaha-YZ490K-Yellow-4676-0.jpg|left|thumb|1983 Yamaha YZ490K in Yellow
File:1983-Yamaha-YZ490K-Yellow-4676-1.jpg|left|thumb|1983 Yamaha YZ490K in Yellow
File:1983-Yamaha-YZ490K-Yellow-4676-2.jpg|left|thumb|1983 Yamaha YZ490K in Yellow
File:1983-Yamaha-YZ490K-Yellow-4676-3.jpg|left|thumb|1983 Yamaha YZ490K in Yellow
File:1983-Yamaha-YZ490K-Yellow-4676-4.jpg|left|thumb|1983 Yamaha YZ490K in Yellow
</gallery>
<br style="clear: left"/>
<br style="clear: left"/>




==1984==
==1984==
<gallery mode="slideshow">
[[Image:1984-Yamaha-YZ490-Yellow-3058-0.jpg|left|thumb|1984 Yamaha YZ490 in Yellow]][[Image:1984-Yamaha-YZ490-Yellow-3058-1.jpg|left|thumb|1984 Yamaha YZ490 in Yellow]][[Image:1984-Yamaha-YZ490-Yellow-3058-2.jpg|left|thumb|1984 Yamaha YZ490 in Yellow]]
File:1984-Yamaha-YZ490-Yellow-3058-0.jpg|left|thumb|1984 Yamaha YZ490 in Yellow
<br style="clear: left"/>
File:1984-Yamaha-YZ490-Yellow-3058-1.jpg|left|thumb|1984 Yamaha YZ490 in Yellow
File:1984-Yamaha-YZ490-Yellow-3058-2.jpg|left|thumb|1984 Yamaha YZ490 in Yellow
</gallery>
 


==1985==
==1985==
<gallery mode="packed-hover">
[[Image:1985-Yamaha-YZ490-White-Red-7197-0.jpg|left|thumb|1985 Yamaha YZ490 in White/Red]][[Image:1985-Yamaha-YZ490-White-Red-7197-1.jpg|left|thumb|1985 Yamaha YZ490 in White/Red]][[Image:1985-Yamaha-YZ490-White-4497-0.jpg|left|thumb|1985 Yamaha YZ490 in White]][[Image:1985-Yamaha-YZ490-White-4497-1.jpg|left|thumb|1985 Yamaha YZ490 in White]][[Image:1985-Yamaha-YZ490-White-4497-2.jpg|left|thumb|1985 Yamaha YZ490 in White]][[Image:1985-Yamaha-YZ490-White-4497-3.jpg|left|thumb|1985 Yamaha YZ490 in White]][[Image:1985-Yamaha-YZ490-White-4497-4.jpg|left|thumb|1985 Yamaha YZ490 in White]]
File:1985-Yamaha-YZ490-White-Red-7197-0.jpg|left|thumb|1985 Yamaha YZ490 in White/Red
<br style="clear: left"/>
File:1985-Yamaha-YZ490-White-Red-7197-1.jpg|left|thumb|1985 Yamaha YZ490 in White/Red
File:1985-Yamaha-YZ490-White-4497-0.jpg|left|thumb|1985 Yamaha YZ490 in White
File:1985-Yamaha-YZ490-White-4497-1.jpg|left|thumb|1985 Yamaha YZ490 in White
File:1985-Yamaha-YZ490-White-4497-2.jpg|left|thumb|1985 Yamaha YZ490 in White
File:1985-Yamaha-YZ490-White-4497-3.jpg|left|thumb|1985 Yamaha YZ490 in White
File:1985-Yamaha-YZ490-White-4497-4.jpg|left|thumb|1985 Yamaha YZ490 in White
</gallery>
 


==See Also==
==See Also==
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*[[Yamaha YZ250]]
*[[Yamaha YZ250]]
*[[Yamaha YZ400]]
*[[Yamaha YZ400]]
{{template:Yamaha YZ}}
{{template:Yamaha YZ}}
{{Yamaha}}
{{Yamaha}}
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[[Category:Yamaha motorcycles|YZ490]]
[[Category:Yamaha motorcycles|YZ490]]
[[Category:Yamaha YZ series]]
[[Category:Yamaha YZ series]]
{{Motorcycle
|name            = Yamaha YZ490
|aka              = YZ 490
|manufacturer    = Yamaha
|parent_company  =
|production      = 1987
|model_year      =
|predecessor      =
|successor        =
|class            = All
|engine          = single cylinder, two-stroke
|bore_stroke      =
|compression      =
|top_speed        =88 mph
|power            = 53.77 HP (40.1 KW) @ 7000RPM
|torque          =
|fuel_system      = carburetor
|ignition        =
|spark_plug      =
|battery          =
|transmission    = Gear box: 5-speed <br>
Final Drive: [[chain]] <br>
Clutch: wet plate <br>
|frame            =
|suspension      =
|brakes          =Front: single disc <br>Rear: expanding [[brake]] (drum brake)
|front_tire      =
|rear_tire    =
|rake_trail      =
|wheelbase        =
|length          =
|width            =
|height          =
|seat_height      =
|dry_weight      = 235.89 pounds (107.0 Kg)
|wet_weight      =
|fuel_capacity    =
|oil_capacity    =
|recommended_oil=Yamalube 10w-40
|fuel_consumption =
|turning_radius  =
|related          =
|competition      =
}}
The '''[[Yamaha]] YZ490''' was a single cylinder, two-stroke All [[motorcycle]] produced by [[Yamaha]] in 1987. Claimed [[horsepower]] was 53.77 HP (40.1 KW) @ 7000 RPM. 
==Engine==
The engine was a [[air cooled]] single cylinder, two-stroke. 
==Drive==
The bike has a 5-speed transmission. Power was moderated via the wet plate. 
==Chassis==
Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear. The bike weighed just 235.89 pounds (107.0 Kg). 
==In Media==
* [https://motopixel.org/pixel/cyborg-3-the-recycler#yamaha-yz490 Cyborg 3: The Recycler]
* [https://motopixel.org/pixel/the-dukes-of-hazzard#yamaha-yz490 The Dukes of Hazzard]
==References==
{{reflist}}
[[Category:All motorcycles]]
[[Category:Yamaha motorcycles]]
[[Category:1980s motorcycles]]
[[Category:Multiple Infoboxes]]

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