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SPECIFICATIONS  
EAU2633X 
Dimensions: 
Overall length: 
1540 mm (60.6 in)
Overall width: 
640 mm (25.2 in)
Overall height: 
880 mm (34.6 in)
Seat height: 
635 mm (25.0 in)
Wheelbase: 
1055 mm (41.5 in)
Ground clearance: 
185 mm (7.28 in)
Minimum turning radius: 
1700 mm (66.9 in) 
Weight: 
With oil and fuel: 
61.0 kg (134 lb) 
Noise and vibration level: 
Noise level (77/311/EEC): 
PW80 79.3 dB(A)
Vibration on seat (EN1032, ISO5008): 
PW80 Will not exceed 0.5 m/s 
2
 
Vibration on handlebar (EN1032, ISO5008): 
PW80 Will not exceed 2.5 m/s 
2
 
Engine: 
Engine type: 
Air cooled 2-stroke
Cylinder arrangement: 
Forward-inclined single cylinder
Displacement: 
79 cm 
3
 
Bore  
× 
 stroke: 
47.0  
× 
 45.6 mm (1.85  
× 
 1.80 in)Compression ratio: 
6.60 :1
Starting system: 
Kickstarter
Lubrication system: 
Separate lubrication (Yamaha autolube)
 
Engine oil: 
Type: 
YAMALUBE 2 or 2-stroke engine oil (JASO
FC grade) or (ISO EG-C or EG-D grade) 
Engine oil quantity: 
Quantity: 
0.75 L (0.79 US qt, 0.66 Imp.qt) 
Transmission oil: 
Type: 
YAMALUBE 4 (10W-40) or SAE 10W-40
Oil change quantity: 
0.65 L (0.69 US qt, 0.57 Imp.qt) 
Air filter: 
Air filter element: 
Wet element 
Fuel: 
Recommended fuel: 
PW80 Regular unleaded gasoline only
PW80Z Unleaded gasoline only
Fuel tank capacity: 
4.9 L (1.29 US gal, 1.08 Imp.gal)
Fuel reserve amount: 
1.0 L (0.26 US gal, 0.22 Imp.gal) 
Carburetor: 
Type  
× 
 quantity: 
VM15SC x 1 
Spark plug (s): 
Manufacturer/model: 
PW80   
 
 
NGK/BPR6HS
PW80Z NGK/BP6HS
             
 
 
DENSO/W20FP
Spark plug gap: 
0.6–0.7 mm (0.024–0.028 in) 
Clutch: 
Clutch type: 
Wet, multiple-disc automatic 
Transmission: 
Primary reduction system: 
Helical gear
Primary reduction ratio: 
66/21 (3.143)
Secondary reduction system: 
Chain drive
Secondary reduction ratio: 
32/15 (2.133)
Transmission type: 
Constant mesh 3-speed
Operation: 
Left foot operation 
Gear ratio: 
1st: 
39/12 (3.250)
2nd: 
29/16 (1.812)
3rd: 
22/17 (1.294) 
Chassis: 
Frame type: 
Steel tube backbone
Caster angle: