Difference between revisions of "Yamaha YSR50"
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{{ | {{Motorcycle | ||
|name = Yamaha YSR50 | |name = Yamaha YSR50 | ||
| | |photo= 1987-Yamaha-YSR50-White-5492-0.jpg | ||
|aka = | |aka = | ||
|manufacturer = | |manufacturer = Yamaha | ||
|parent_company = | |parent_company = | ||
|production = 87-93 | |production = 87-93 | ||
| Line 13: | Line 13: | ||
|bore_stroke = 40.0mm x 39.2mm | |bore_stroke = 40.0mm x 39.2mm | ||
|compression = 7.4:1 | |compression = 7.4:1 | ||
|top_speed = | |top_speed =38 mph | ||
|power = 7 [[horsepower]] @ 8,800 [[RPM]] | |power = 7 [[horsepower]] @ 8,800 [[RPM]] | ||
|torque = 0.59 kg-m @ 8,500 RPM | |torque = 0.59 kg-m @ 8,500 RPM | ||
| Line 21: | Line 21: | ||
|battery = {{battery|YUASA 6N4-2A-2}} '87-93 | |battery = {{battery|YUASA 6N4-2A-2}} '87-93 | ||
|transmission = 5-speed constant mesh | |transmission = 5-speed constant mesh | ||
|final_drive= {{chain|420x100}} | |||
|front_sprocket= 12T | |||
|rear_sprocket= 44T | |||
|frame = | |frame = | ||
|suspension = | |suspension = | ||
| Line 36: | Line 39: | ||
|fuel_capacity = | |fuel_capacity = | ||
|oil_capacity = | |oil_capacity = | ||
|recommended_oil= Yamalube 10w-40 | |||
|fuel_consumption = | |fuel_consumption = | ||
|turning_radius = | |turning_radius = | ||
|related = [[Yamaha RX50]] (contained same engine), [[Yamaha YSR80]] | |related = [[Yamaha RX50]] (contained same engine), [[Yamaha YSR80]] | ||
|competition = | |competition = [[Honda NSR50]], [[Aprilia RS50]] | ||
}} | }} | ||
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'''Yamaha YSR 50''' and [[Yamaha YSR80|YSR 80]] sport models goes on sale in Japan in 1986, and had the look of a re-shaped, scaled-down [[Yamaha YZR500|YZR500]] factory racer that appealed to the spirit of race enthusiasts. The 2-stroke single-cylinder engine had a maximum output of 7 ps for the 50cc and 8.8 ps for the 80cc, a return type 5-speed transmission, front disc brake and other features to offer full-fledged sport riding potential. It became a standard in the mini-bike races popular at the time. 1992 was the last year of production, and the price was 189.000 yen for the 50cc and 211.000 yen for the 80cc. | '''Yamaha YSR 50''' and [[Yamaha YSR80|YSR 80]] sport models goes on sale in Japan in 1986, and had the look of a re-shaped, scaled-down [[Yamaha YZR500|YZR500]] factory racer that appealed to the spirit of race enthusiasts. The 2-stroke single-cylinder engine had a maximum output of 7 ps for the 50cc and 8.8 ps for the 80cc, a return type 5-speed transmission, front disc brake and other features to offer full-fledged sport riding potential. It became a standard in the mini-bike races popular at the time. 1992 was the last year of production, and the price was 189.000 yen for the 50cc and 211.000 yen for the 80cc. | ||
{{clear}} | |||
==1987== | ==1987== | ||
<gallery mode="packed-hover"> | |||
File:1987-Yamaha-YSR50-White-5492-0.jpg|left|thumb|1987 Yamaha YSR50 in White | |||
File:1987-Yamaha-YSR50-White-5492-1.jpg|left|thumb|1987 Yamaha YSR50 in White | |||
File:1987-Yamaha-YSR50-White-5492-2.jpg|left|thumb|1987 Yamaha YSR50 in White | |||
File:1987-Yamaha-YSR50-White-5492-3.jpg|left|thumb|1987 Yamaha YSR50 in White | |||
</gallery> | |||
<br style="clear: left"/> | <br style="clear: left"/> | ||
==1990== | ==1990== | ||
<gallery mode="slideshow"> | |||
File:1990-Yamaha-YSR50-Black-8302-0.jpg|left|thumb|1990 Yamaha YSR50 in Black | |||
File:1990-Yamaha-YSR50-Black-8302-1.jpg|left|thumb|1990 Yamaha YSR50 in Black | |||
File:1990-Yamaha-YSR50-Black-8302-2.jpg|left|thumb|1990 Yamaha YSR50 in Black | |||
< | File:1990-Yamaha-YSR50-Black-8302-3.jpg|left|thumb|1990 Yamaha YSR50 in Black | ||
</gallery> | |||
==1991== | ==1991== | ||
<gallery mode="packed-hover"> | |||
File:1991-Yamaha-YSR50-Black-3420-0.jpg|left|thumb|1991 Yamaha YSR50 in Black | |||
< | File:1991-Yamaha-YSR50-Black-3420-1.jpg|left|thumb|1991 Yamaha YSR50 in Black | ||
</gallery> | |||
| Line 76: | Line 87: | ||
==See Also== | ==See Also== | ||
*[[Yamaha YSR80]] | *[[Yamaha YSR80]] | ||
==References== | |||
{{reflist}} | |||
{{Yamaha}} | {{Yamaha}} | ||
Latest revision as of 20:08, 23 November 2019
 |
|
| Yamaha YSR50 | |
| Manufacturer | |
|---|---|
| Production | 87-93 |
| Engine | |
| Bore / Stroke | 40.0mm x 39.2mm |
| Compression ratio | 7.4:1 |
| Top Speed | 38 mph |
| Horsepower | 7 horsepower @ 8,800 RPM |
| Torque | 0.59 kg-m @ 8,500 RPM |
| Fuel System | Carburetor, Mikuni VM16SH |
| Spark Plug | NGK B8HS '87-93 |
| Battery | YUASA 6N4-2A-2 '87-93 |
| Transmission | 5-speed constant mesh |
| Final Drive | Chain: 420x100 |
| Front Sprocket | 12T |
| Rear Sprocket | 44T |
| Front Tire | 3.50-12 '87-93 |
| Rear Tire | 4.00-12 '87-93 |
| Wheelbase | 1050mm |
| Length | 1575mm |
| Width | 635mm |
| Height | 930mm |
| Seat Height | 650mm |
| Weight | 75kg (dry), |
| Recommended Oil | Yamalube 10w-40 |
| Related | Yamaha RX50 (contained same engine), Yamaha YSR80 |
| Competition | Honda NSR50, Aprilia RS50 |
| Manuals | Service Manual |
The Yamaha YSR50 is a motorcycle produced by Yamaha from 1987 to 1993.
This style of miniature motorcycle is known as a pocket bike. Although small in size, these machines are capable of giving surprising performances in the hands of skilled operators. Enthusiast groups organize races and endurance runs for pocket-bikes, of which the YSR Yamaha is the most popular. It mainly competes with the likes of the Honda NSR50. The limited edition Yamaha RX50 shared the same engine.
History[edit | edit source]
Yamaha YSR 50 and YSR 80 sport models goes on sale in Japan in 1986, and had the look of a re-shaped, scaled-down YZR500 factory racer that appealed to the spirit of race enthusiasts. The 2-stroke single-cylinder engine had a maximum output of 7 ps for the 50cc and 8.8 ps for the 80cc, a return type 5-speed transmission, front disc brake and other features to offer full-fledged sport riding potential. It became a standard in the mini-bike races popular at the time. 1992 was the last year of production, and the price was 189.000 yen for the 50cc and 211.000 yen for the 80cc.
1987[edit | edit source]
1987 Yamaha YSR50 in White
1987 Yamaha YSR50 in White
1987 Yamaha YSR50 in White
1987 Yamaha YSR50 in White
1990[edit | edit source]
1990 Yamaha YSR50 in Black
1990 Yamaha YSR50 in Black
1990 Yamaha YSR50 in Black
1990 Yamaha YSR50 in Black
1991[edit | edit source]
1991 Yamaha YSR50 in Black
1991 Yamaha YSR50 in Black
