Difference between revisions of "Yamaha YZ490"
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{{Infobox Motorcycle | {{Infobox Motorcycle | ||
|name = Yamaha YZ490 | |name = Yamaha YZ490 | ||
|image = | |image = [[Image:1982-Yamaha-YZ490J-Yellow-0.jpg|frameless|1982 Yamaha YZ490J in Yellow]] | ||
|aka = | |aka = | ||
|manufacturer = [[Yamaha]] | |manufacturer = [[Yamaha]] | ||
| Line 7: | Line 7: | ||
|production = 82-90 | |production = 82-90 | ||
|model_year = | |model_year = | ||
|predecessor = | |predecessor = [[Yamaha YZ465]] | ||
|successor = | |successor = | ||
|class = | |class = | ||
| Line 17: | Line 17: | ||
|torque = | |torque = | ||
|ignition = | |ignition = | ||
|spark_plug = {{sparkplug|B9EG}} '82 , '83-85 , '86-87<br />{{sparkplug|B8EG}} '88-90 | |spark_plug = {{sparkplug|NGK B9EG}} '82 , '83-85 , '86-87<br />{{sparkplug|NGK B8EG}} '88-90 | ||
|battery = | |battery = | ||
|transmission = | |transmission = | ||
| Line 37: | Line 37: | ||
|fuel_consumption = | |fuel_consumption = | ||
|turning_radius = | |turning_radius = | ||
|related = | |related = [[Yamaha IT490]] | ||
|competition = | |competition = | ||
}} | }} | ||
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==1982== | ==1982== | ||
<gallery mode="packed-hover"> | |||
File:1982-Yamaha-YZ490J-Yellow-0.jpg|left|thumb|1982 Yamaha YZ490J in Yellow | |||
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"> | |||
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"> | |||
File:1984-Yamaha-YZ490-Yellow-3058-0.jpg|left|thumb|1984 Yamaha YZ490 in Yellow | |||
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"> | |||
File:1985-Yamaha-YZ490-White-Red-7197-0.jpg|left|thumb|1985 Yamaha YZ490 in White/Red | |||
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}} | ||
Revision as of 15:38, 21 May 2019
 | |
| Manufacturer | Yamaha |
|---|---|
| Production | 82-90 |
| Predecessor | Yamaha YZ465 |
| Engine | 490 |
| Sparkplug | NGK B9EG '82 , '83-85 , '86-87 NGK B8EG '88-90 |
| Front Tire | 3.00-21 '82 80/100-21 '86-87 , '88-90 100/90-21 '83-85 |
| Rear Tire | 140/80-18 '83-85 110/100-18 '88-90 140/90-18 '82 80/100-18 '86-87 |
| Related | Yamaha IT490 |
| Manuals | Service Manual |
| Tech Specs · Brochures · Reviews · Ads · Videos | |
The Yamaha YZ490 is a motorcycle produced by Yamaha from 1982 to 1990.
Yamaha introduced the YZ 490 in 1982, after a solid run with the YZ465.
Problems
Sadly, the 490 was heavier than the 465, nowhere near as reliable, horribly difficult to start (hot or cold), came with a grim suspension, vibrated enough to bring blisters to your hands and was impossible to jet.
If you jetted it rich enough to keep this dog from seizing, it would blubber, puke, foul plugs and produce no power. If you jetted it to run strong, it would invariably seize. It came with air leaks, a wandering ignition, gimpy motor mounts and the worst case of Yamahop at high speeds since the original DT-1. Yamaha issued a mountain of service bulletins to try to fix the problems. None of them worked.
1982
1982 Yamaha YZ490J in Yellow
1982 Yamaha YZ490J in Yellow
1982 Yamaha YZ490 in Yellow
1982 Yamaha YZ490 in Yellow
1982 Yamaha YZ490 in Yellow
1982 Yamaha YZ490 in Yellow
1982 Yamaha YZ490 in Yellow
1982 Yamaha YZ490 in Yellow
1982 Yamaha YZ490 in Yellow
1982 Yamaha YZ490 in Yellow
1982 Yamaha YZ490 in Yellow
1982 Yamaha YZ490 in Yellow
1982 Yamaha YZ490 in Yellow
1983
1983 Yamaha YZ490K in Yellow
1983 Yamaha YZ490K in Yellow
1983 Yamaha YZ490K in Yellow
1983 Yamaha YZ490K in Yellow
1983 Yamaha YZ490K in Yellow
1984
1984 Yamaha YZ490 in Yellow
1984 Yamaha YZ490 in Yellow
1984 Yamaha YZ490 in Yellow
1985
1985 Yamaha YZ490 in White/Red
1985 Yamaha YZ490 in White/Red
1985 Yamaha YZ490 in White
1985 Yamaha YZ490 in White
1985 Yamaha YZ490 in White
1985 Yamaha YZ490 in White
1985 Yamaha YZ490 in White
See Also
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