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Difference between revisions of "Yamaha YZ400"
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|photo= 1976-Yamaha-YZ400C-Yellow-514-0.jpg | |photo= 1976-Yamaha-YZ400C-Yellow-514-0.jpg | ||
|aka = | |aka = | ||
|manufacturer = | |manufacturer = Yamaha | ||
|parent_company = | |parent_company = | ||
|production = 76-79 | |production = 76-79 | ||
| Line 9: | Line 9: | ||
|predecessor = | |predecessor = | ||
|successor = | |successor = | ||
|class = | |class =Motorcross | ||
|engine = 397[[cc]] Air-cooled, 2-stroke, single | |engine = 397[[cc]] Air-cooled, 2-stroke, single | ||
|bore_stroke = 85mm x 70 mm | |bore_stroke = 85mm x 70 mm | ||
|compression = 7.59 : 1 | |compression = 7.59 : 1 | ||
|top_speed = | |top_speed =80 mph | ||
|power = | |power = | ||
|torque = | |torque = | ||
| Line 44: | Line 44: | ||
|fuel_consumption = | |fuel_consumption = | ||
|turning_radius = | |turning_radius = | ||
|related = [[Yamaha MX400]] | |values = $1,000 - $3,000 | ||
|related = [[Yamaha MX400]]<br />[[Yamaha YZ400F]] | |||
|competition = | |competition = | ||
|manuals = [https://www.dropbox.com/s/5loq4u3c41mspzi/1978%20Yamaha%20YZ400%20E%20owners%20service%20manual.pdf?dl=0 1978 YZ400E Service Manual] | |manuals = [https://www.dropbox.com/s/5loq4u3c41mspzi/1978%20Yamaha%20YZ400%20E%20owners%20service%20manual.pdf?dl=0 1978 YZ400E Service Manual]<br />[https://www.dropbox.com/s/fq9oknr20nwgie1/1979%20Yamaha%20YZ400%20F%20owners%20service%20manual.pdf?dl=0 1979 Yamaha YZ400F Service Manual] | ||
}} | }} | ||
: ''This article is about the scooter, for the 1970s Motorcrosser, see [[Yamaha YZ400F]] for the recent version'' | |||
==1976 YZ400C== | ==1976 YZ400C== | ||
Take a 1975 [[Yamaha_MX400| MX400]], paint it Yellow and add the spedo air forks and you end up with the 1976 YZ400C (I only saw 1, I swear it felt like an MX400). | Take a 1975 [[Yamaha_MX400| MX400]], paint it Yellow and add the spedo air forks and you end up with the 1976 YZ400C (I only saw 1, I swear it felt like an MX400). | ||
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File:1977-Yamaha-YZ400-Yellow-692-3.jpg|left|thumb|1977 Yamaha YZ400 in Yellow | File:1977-Yamaha-YZ400-Yellow-692-3.jpg|left|thumb|1977 Yamaha YZ400 in Yellow | ||
File:1977-Yamaha-YZ400-Yellow-692-4.jpg|left|thumb|1977 Yamaha YZ400 in Yellow | File:1977-Yamaha-YZ400-Yellow-692-4.jpg|left|thumb|1977 Yamaha YZ400 in Yellow | ||
File:1977-yz400-0.jpg|1977 YZ400 | |||
File:1977-yz400-1.jpg|1977 YZ400 | |||
File:1977-yz400-2.jpg|1977 YZ400 | |||
File:1977-yz400-3.jpg|1977 YZ400 | |||
File:1977-yz400-4.jpg|1977 YZ400 | |||
</gallery> | </gallery> | ||
<br style="clear: left"/> | <br style="clear: left"/> | ||
* SERIAL # 1W4-000101 - 006720 | * SERIAL # 1W4-000101 - 006720 | ||
==1978== | ==1978== | ||
Expanding on a good thing, the 1978 YZ400 became stable with the box section aluminum swing arm and longer travel (at both ends). The bike was a bit heavy (tipping the scales around 240 lbs.) but long gone was the cracks in the frames, common with the previous (non-Monocoque) designs. The rake was also a bit long which made the 1977-1978 YZ400s better at cross-country than in motocross. | Expanding on a good thing, the 1978 YZ400 became stable with the box section aluminum swing arm and longer travel (at both ends). The bike was a bit heavy (tipping the scales around 240 lbs.) but long gone was the cracks in the frames, common with the previous (non-Monocoque) designs. The rake was also a bit long which made the 1977-1978 YZ400s better at cross-country than in motocross. | ||