Yamaha YZ80 Specs, Top Speed, Mileage, Picture, Diagram & History

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

Yamaha YZ80 Carburetor Pilot Jet Size

• #35

Yamaha YZ80 Carburetor Pilot Screw Setting

• 1.5 turns out

Yamaha YZ80 Carburetor Starter Jet Size

• #50

Yamaha YZ80 Carburetor Needle

• STOCK

Yamaha YZ80 Carburetor Clip Piston

• 3rd

Yamaha YZ80 Carburetor Cutaway

• 2.5

Yamaha YZ80 Carburetor Float Height Level

• 21.5 mm

Yamaha YZ80 Carburetor Fuel Level

• 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

Yamaha YZ80 1982

Yamaha YZ80 1983

Yamaha YZ80 1985

Yamaha YZ80 1998

YZ80B 1975

YZ80D 1977

YZ80E 1978

Yamaha YZ80 Wiring Diagram

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

Yamaha YZ80 Top Speed and Acceleration Video