YAMAHA WR500
YAMAHA WR500 specifications:
Model Code Number: 4AA
Engine Starting Number: 4AA-000101
Dimensions:
Overal Length: 2.205mm
Overal Width: 845mm
Overal height: 1.270mm
Seat height: 985mm
Wheelbase: 1.505mm
Ground Clearance: 370mm
Basic Weight with oil and full fuel tank: 121.8Kg (269lb)
Displacement: 487cm³
Horsepower (stock): 62 @ 6.500 rpm
Torque (stock): 6.9 Kgm @ 6.000 rpm (6.9 Kgm = 49.89 Lb / Ft = 67.62 Nm)
Bore X Stroke: 87X82mm
Over 0.5mm: Real cc: 493cm³
Over 1.0mm: Real cc: 499cm³
Over 1.5mm: Real cc: 504cm³
Over 2.0mm: Real cc: 510cm³
Compression Ratio: 6.64:1
Premix: 24:1 Yamalube or
20:1 generic non-sintetic
transmission oil: SAE 10W30
Periodic change: 0.75L
total amount: 0.80L
Fuel Tank Capacity: 13.0L (2.86 Imp gal, 3.43 US gal)
Fuel Type: Premiun Unleaded, octane number of 95 or higher
Carburetor: VM38SS / Mikuni
Spark Plug: B8EG / NGK - Gap: 0.5 ~ 0.6mm
Secondary reduction Ratio: 50 / 14
Caster Angle: 28º15'
Trail: 128mm
Tire sizes: (F) - 80/100-21;
(R) - 120/90-18
Forks:
Front Spring Rate, STD: K=3.9N/mm, 0.39 Kg
Optional: 0.38 ~ 0.40
Front forks rebound damping force adjustment: On top of fork / 20 clicks / STD:6 clicks out
Front forks compression damping force adj.: botton of fork / 20 clicks / STD:8 clicks out
Oil capacity (each fork leg): 505cm³
Oil level: 120mm (from top of inner tube fully compressed without spring)
Extent of adjustment: 75mm ~ 130mm
Oil Grade: 01
Front fork top end: Zero mm
Wheel travel: Front: 300mm - (11.8in)
Rear: 310mm - (12.2in)
Rear shock:
Rear Spring Rate, STD: K=48.0N/mm, 4.8 Kg
Optional: 4.6 ~ 5.0
Rear Shock Rebound adjustment: lower adjuster / 20 clicks / STD: 8 clicks out
Rear Shock Compression adj.: upper adjuster / 20 clicks / STD: 11 clicks out
Rear shock enclosed gas pressure: 1000 kPa (142psi)
Min. ~ Max.: 100psi ~ 185psi
Front Rim size: 1.60X21 / Aluminum
Rear Rim size: 2.50X18 / Aluminum
Drive Chain: 520V6 / DAIDO
Number of links: 117 links + Joint
chain slack: 30 ~ 60mm
Ignition timing: (B.T.D.C.) 1.9 ~ 2.1mm / 16º / 2.000rpm
Engine Starting Number: 4AA-000101
Dimensions:
Overal Length: 2.205mm
Overal Width: 845mm
Overal height: 1.270mm
Seat height: 985mm
Wheelbase: 1.505mm
Ground Clearance: 370mm
Basic Weight with oil and full fuel tank: 121.8Kg (269lb)
Displacement: 487cm³
Horsepower (stock): 62 @ 6.500 rpm
Torque (stock): 6.9 Kgm @ 6.000 rpm (6.9 Kgm = 49.89 Lb / Ft = 67.62 Nm)
Bore X Stroke: 87X82mm
Over 0.5mm: Real cc: 493cm³
Over 1.0mm: Real cc: 499cm³
Over 1.5mm: Real cc: 504cm³
Over 2.0mm: Real cc: 510cm³
Compression Ratio: 6.64:1
Premix: 24:1 Yamalube or
20:1 generic non-sintetic
transmission oil: SAE 10W30
Periodic change: 0.75L
total amount: 0.80L
Fuel Tank Capacity: 13.0L (2.86 Imp gal, 3.43 US gal)
Fuel Type: Premiun Unleaded, octane number of 95 or higher
Carburetor: VM38SS / Mikuni
Spark Plug: B8EG / NGK - Gap: 0.5 ~ 0.6mm
Secondary reduction Ratio: 50 / 14
Caster Angle: 28º15'
Trail: 128mm
Tire sizes: (F) - 80/100-21;
(R) - 120/90-18
Forks:
Front Spring Rate, STD: K=3.9N/mm, 0.39 Kg
Optional: 0.38 ~ 0.40
Front forks rebound damping force adjustment: On top of fork / 20 clicks / STD:6 clicks out
Front forks compression damping force adj.: botton of fork / 20 clicks / STD:8 clicks out
Oil capacity (each fork leg): 505cm³
Oil level: 120mm (from top of inner tube fully compressed without spring)
Extent of adjustment: 75mm ~ 130mm
Oil Grade: 01
Front fork top end: Zero mm
Wheel travel: Front: 300mm - (11.8in)
Rear: 310mm - (12.2in)
Rear shock:
Rear Spring Rate, STD: K=48.0N/mm, 4.8 Kg
Optional: 4.6 ~ 5.0
Rear Shock Rebound adjustment: lower adjuster / 20 clicks / STD: 8 clicks out
Rear Shock Compression adj.: upper adjuster / 20 clicks / STD: 11 clicks out
Rear shock enclosed gas pressure: 1000 kPa (142psi)
Min. ~ Max.: 100psi ~ 185psi
Front Rim size: 1.60X21 / Aluminum
Rear Rim size: 2.50X18 / Aluminum
Drive Chain: 520V6 / DAIDO
Number of links: 117 links + Joint
chain slack: 30 ~ 60mm
Ignition timing: (B.T.D.C.) 1.9 ~ 2.1mm / 16º / 2.000rpm
