2009 Yamaha VMax

Engine Configuration V-4, 4 stroke,
Engine Displacement 1679cc
Engine Cooling Liquid
Compression Ratio 11.3:1
Combustion Chamber Design Pentroof
Valves Per Cylinder 4
Intake Valves Per Cylinder
Exhaust Valves Per Cylinder
Bore x Stroke 90.0mm x 66.0 mm
Conecting Rod Length
          (center-to-center)
129mm (5.078 inches)
Connecting Rod Material Chrome-molly Steel
Claimed Peak Horsepower 197 bhp @ 9,000 rpm
Claimed Peak Torque 122 lbs. - ft. @ 6,500 rpm
Engine Redline 9,500 rpm
Valve Angle (Included) 14 degrees Intake/ 15 degrees Exhaust (29 degrees)
Combustion Chamber Volume 28.5cc
Valve Train Type DOHC, Chain and Gear Drive, Shim Under Bucket Lash Adjustment
Valve Adjustment Interval 26,600 miles
Intake Valve Diameter 34 mm (steel)
Exhaust Valve Diameter 30 mm (steel)
Intake Valve Stem Diameter 5mm
Exhaust Valve Stem Diameter 5mm
Intake Valve Maximum Lift 8.9 mm
Exhaust Valve Maximum Lift 8.9mm
Intake Valve Timing  
          Open BTDC 29 degrees
          Close ABDC 59 degrees
          Duration 268 degrees
Exhaust Valve Timing  
          Open BTDC 59 degrees
          Close ABDC 29 degrees
          Duration 268 degrees
Valve Timing Measuring Point 0.15mm Intake; 0.25mm Exhaust (lift)
Fuel Delivery System Mikuni Fuel Injection
Throttle Body Venturi Size 48 mm
Air Filter Type Pleated Paper Element
Exhaust System Type 4-1-2-4 (Steel/ Titanium)
Ignition System Digital
Lubrication System Wet Sump
Oil Capacity 6.2 quarts (5.9 liters)
Fuel Capacity 3.96 gallons (15 liters)
Transmission Type 5-speed
Clutch Type Multi-plate, Wet, Back-torque-limiting
Clutch Actuation System Hydraulic
Clutch Spring Type Coil
Number Of Clutch Springs 6
Number of Clutch Plates 19
          Drive Plates 10
          Driven Plates 9
Primary Drive Gear (Straight-cut)
Primary Drive Gear Teeth (Ratio) 86/57 (1.509:1)
Final Drive Sprocket Teeth (Ratio) 22/23x29/09 (3.082:1)
Transmission Gear Teeth (Ratios)  
          6th
          5th 29/31 (0.935:1)
          4th 29/26 (1.115:1)
          3rd 35/25 (1.400:1)
          2nd 38/21 (1.810:1)
          1st 38/16 (2.375:1)
 Transmission Overall Ratios  
          6th
          5th 4.348:1
          4th 5.186:1
          3rd 6.511:1
          2nd 8.418:1
          1st 11.045:1