Yamaha YZ80 Specs, Top Speed, Mileage, Picture, Diagram & History
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| Yamaha YZ80 |
Yamaha YZ80 Gear Ratio
I 2.40
II 1.83
III 1.48
IV 1.22
V 1.04
VI 0.93
Yamaha YZ80 Carburetor Information
Carburetor Main Jet Size- #280
- #35
- 1.5 turns out
- #50
- STOCK
- 3rd
- 2.5
- 21.5 mm
- 8.5 mm
Yamaha YZ80 Idle Speed
- 1,300 ± 50 RPM
Yamaha YZ80 Cable & Chain Adjustments
- Throttle Cable Free Play: 3-5 mm
- Clutch Lever Free Play: 10-15 mm
- Front Brake Lever Free Play: 10 mm
- Rear Brake Lever Free Play: 20 mm
- Chain Free Play: 30 mm
Yamaha YZ80 Fuel & Oil Mixture System
- For 1 liter = 31.25 ml 2T Oil
Yamaha YZ80 Fuel Consumption
- 36.0 kmpl. (Avg.).
Yamaha YZ80 Tire Pressure
- Front Tire Pressure is 15 psi and The Rear Tire Pressure is 15 psi.
Yamaha YZ80 Spark Plug Gap
- 0.032 inches.
Yamaha YZ80 Photos
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| Yamaha YZ80 1982 |
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| Yamaha YZ80 1983 |
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| Yamaha YZ80 1985 |
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| Yamaha YZ80 1998 |
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| YZ80B 1975 |
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| YZ80D 1977 |
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| YZ80E 1978 |
Yamaha YZ80 Wiring Diagram
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| YZ80 Wiring Diagram |
Yamaha YZ80 Technical Specifications
| More Specification | |
|---|---|
| Bike Brand | Yamaha |
| Model Name / Also called | Yamaha YZ80 |
| Production Year | 1974-1999 |
| Bike Type | Motocross |
| Brand Origin | Japan |
| Engine | |
|---|---|
| Engine Type | 80cc, Air-cooled, 2-stroke, Single cylinders, inline |
| Displacement (cc) | 83 cc (5.07 cubic inches) |
| Maximum Power | 14.3 @ 11,000 |
| Maximum Torque | 0.94 @ 11,000 |
| Ignition | CDI |
| Fuel Supply | 26mm Mikuni VM |
| Bore & Stroke | 47 mm × 47.8 mm |
| Starting | Kick |
| Cooling System | Air-cooled |
| Compression Ratio | 8.2:1 |
| Brakes | |
|---|---|
| Brake Types | Disc |
| Front Brake | Single Disc |
| Rear Brake | disc |
Wheels and Tyres |
|
|---|---|
| Front Tire Size | 2.50-16 ('74 , '78-79) 2.75-16 ('76 , '77) 80/80-17 ('84 , '85) 2.75-17 ('80 , '81-82 , '83) 70/100-17 ('86-92 , '93-99) |
| Rear Tire Size | 3.00-14 ('74 , '76) 3.60-14 ('77 , '78-79 , '80) 90/100-14 ('86-92 , '93-99) 5214 ('81-82 , '83) 80/80-14 ('84 , '85) |
| Dimension and Weight | |
|---|---|
| Seat height | 33.6" |
| Overall height | 43.5" |
| Overall length | 71" |
| Overall width | 28.9" |
| Ground Clearance | 13.7" |
| Dry weight | N/A |
| Curb Weight | - |
| Mileage and Performance | |
|---|---|
| 0-60 Kmph | - |
| 0-100 Kmph | |
| Top Speed | 60 mph |
| Fuel Capacity | 4.6 L '81 |
| Fuel economy | - |
| Consumption Average | 36 kmpl |
| Fuel Type | Petrol / Octane |
| Recommended Engine Oil | Yamahalube 10W-30 |
| Features Value and Safety | |
|---|---|
| Speedometer | |
| Tachometer | |
| Tripmeter |
| Electricals and Transmission | ||
|---|---|---|
| Number of Used Plugs | 1 |
|
| Recommended Spark Plugs | NGK BR9ES ('83) NGK B8ES ('76-82) NGK B9EG ('84-92) NGK B10EG ('93-99) NGK B7HS ('74) | |
| Air Filter | - | |
| Battery | No |
|
| Voltage | No |
|
| Head Light | No | |
| Tail Light | No | |
| Gear Box | 6-speed | |
| Final Drive | Chain | |
| Clutch | Wet, cable operated | |
| Chain Size | 428x107 |
| Chassis and Suspension | |
|---|---|
| Front Suspension | 13T |
| Rear Suspension | 44T |
| Frame type | steel, Double cradle frame |
| More Specification | |
|---|---|
| Bike Colours | Team Yamaha Blue/White |
| No. of Cylinders | 1 cylinder |








