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A dry sump lubrication system for a four cycle engine is disclosed. The dry sump lubrication system has at least two lubricant storage chambers. A first lubricant storage chamber stores a first volume of lubricant. The first lubricant storage chamber may be located in a lower part of the crankcase.

A dry sump lubrication system for a four cycle engine is disclosed. The dry sump lubrication system has at least two lubricant storage chambers. A first lubricant storage chamber stores a first volume of lubricant. The first lubricant storage chamber may be located in a lower part of the crankcase. A second lubricant storage chamber is an oil tank and stores a second volume of lubricant. The oil tank may be secured to the output end of the crankcase. The first lubricant storage chamber is capable of storing at least 30% of a total volume of lubricant within the dry sump lubrication system.

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1. A four cycle engine for use in a vehicle having a longitudinal axis, comprising:a crankcase having a crankshaft extending there through, wherein the crankcase has a crank chamber, wherein the crankshaft extends through the crank chamber from an output end to an opposite end of the crankcase, wher

1. A four cycle engine for use in a vehicle having a longitudinal axis, comprising:a crankcase having a crankshaft extending there through, wherein the crankcase has a crank chamber, wherein the crankshaft extends through the crank chamber from an output end to an opposite end of the crankcase, wherein the crankshaft has a crankshaft axis, wherein the crankshaft axis is transverse to the longitudinal axis of the vehicle; at least one cylinder unit connected to the crankcase, wherein each cylinder unit includes a cylinder and a cylinder head; and a dry sump lubrication system having a first lubricant storage chamber storing a first volume of lubricant, the first lubricant storage chamber being located in the crankcase, and an oil tank storing a second volume of lubricant, the oil tank being secured to the output end of the crankcase. 2. The engine according to claim 1, wherein the first lubricant storage chamber is capable of storing at least 30% of a total volume of lubricant within the dry sump lubrication system.3. The engine according to claim 1, wherein the first lubricant storage chamber is capable of storing at least 50% of a total volume of lubricant within the dry sump lubrication system.4. The engine according to claim 1, wherein the first lubricant storage chamber being located substantially below the crankshaft axis.5. The engine according to claim 1, wherein the oil tank is formed from a plastic material.6. The engine according to claim 1, wherein the oil tank at least partially surrounds a portion of the crankshaft.7. The engine according to claim 6, wherein the crankshaft extends through an opening in the oil tank.8. The engine according to claim 1, wherein the oil tank is releasably secured to the output end of the crankcase.9. The engine according to claim 1, wherein the first lubricant storage chamber and the oil tank are fluidly connected through a common opening.10. The engine according to claim 1, wherein the oil tank is fluidly connected to the crank chamber.11. The engine according to claim 10, further comprising:a connecting channel formed in the crankcase, wherein the oil tank is fluidly connected to the crank chamber through the connecting channel; and a non-return valve located within an outlet of the crank chamber, wherein the non-return valve prevents backflow of lubricant into the crank chamber from the connecting channel. 12. The engine according to claim 11, wherein the non-return valve is a reed valve.13. The engine according to claim 11, wherein a riser line connects the connecting channel to the oil tank.14. The engine according to claim 13, wherein the riser line is formed by a baffle within the oil tank.15. The engine according to claim 11, wherein the crankcase includes a first crankcase housing and a second crankcase housing, wherein the non-return valve being held positively between the first and second crankcase housings.16. The engine according to claim 11, wherein the connecting channel includes a collection area for collecting lubricant from the crank chamber.17. The engine according to claim 16, further comprising a strainer located within the connecting channel between the non-return valve and the collection area.18. The engine according to claim 16, further comprising:a suction pump for delivering lubricant from the collection area to the oil tank. 19. The engine according to claim 18, wherein the suction pump being located on the opposite end of the crankcase, wherein the suction pump is driven by the crankshaft.20. The engine according to claim 16, further comprising:at least one timing chain for operating a valve operating assembly, wherein the at least one timing chain is located within at least one timing chain passageway within the crank case and the cylinder unit, wherein the at least one timing chain passageway is fluidly connected to the collection area. 21. The engine according to claim 11, further comprising:a riser line, wherein the connecting channel is fluidly connected to the oil tank through the riser line. 22. The engine according to claim 1, further comprising:a force pump for supplying lubricant from the first lubricant storage chamber to the engine, wherein the force pump being located on the opposite end of the crankcase and driven by the crankshaft. 23. The engine according to claim 22, further comprising:an oil pickup assembly at least partially submerged within the first lubricant storage chamber. 24. The engine according to claim 23, wherein the oil pickup assembly has an inlet side and an outlet side, wherein the oil pickup assembly includes a strainer assembly located on the inlet side, wherein the outlet side is in fluid communication with a riser channel formed in the crankcase, wherein the riser channel is connected to the force pump.25. The engine according to claim 24, wherein one end of the riser channel having a drain opening formed therein, a drain plug is removable secured in the drain opening.26. The engine according to claim 23, wherein the crankcase includes a first crankcase housing and a second crankcase housing, wherein the oil pick-up assembly being positively held between the first and second crankcase housings.27. The engine according to claim 1, wherein the dry sump lubrication system further comprising:a cylindrical oil filter, wherein the oil filter having an oil filter axis, wherein the filter axis being arranged substantially parallel to an axis of at least one cylinder unit. 28. The engine according to claim 27, wherein the oil filter is located between one of the at least one cylinder unit and the oil tank.29. The engine according to claim 1, wherein the dry sump lubrication system further comprising:a lubricant cooler, wherein the lubricant cooler is secured to the crankcase. 30. The engine according to claim 29, wherein the lubricant cooler includes a cooling-plate.31. The engine according to claim 29, wherein the crankcase including at least one lubricant passageway and at least one coolant passageway formed therein wherein the at least one lubricant passageway and the at least one coolant passageway being operatively connected to the lubricant cooler.32. A four cycle engine for use in a vehicle having a longitudinal axis, comprising:a crankcase having a crankshaft extending there through, wherein the crankcase has a crank chamber, wherein the crankshaft extends through the crank chamber from an output end to an opposite end of the crankcase, wherein the crankshaft has a crankshaft axis, wherein the crankshaft axis is transverse to the longitudinal axis of the vehicle; at least one cylinder unit connected to the crankcase, wherein each cylinder unit includes a cylinder and a cylinder head; and a dry sump lubrication system having a first lubricant storage chamber storing a first volume of lubricant, the first lubricant storage chamber being located in the crankcase, and an oil tank storing a second volume of lubricant, the oil tank being secured to the crankcase, wherein the first lubricant storage chamber is capable of storing at least 30% of a total volume of lubricant within the dry sump lubrication system. 33. A vehicle, comprising:a vehicle frame having a longitudinal axis; and a four cycle engine secured to the frame, comprising: a crankcase having a crankshaft extending there through, wherein the crankcase has a crank chamber, wherein the crankshaft extends through the crank chamber from an output end to an opposite end of the crankcase, wherein the crankshaft has a crankshaft axis, wherein the crankshaft axis is transverse to the longitudinal axis; at least one cylinder unit connected to the crankcase, wherein each cylinder unit includes a cylinder and a cylinder head; a continuously variable transmission secured to one end of the engine; and a dry sump lubrication system having a first lubricant storage chamber storing a first volume of lubricant, the first lubricant storage chamber being located in the crankcase, an oil tank storing a second volume of lubricant, the oil tank being secured to the output end of the crankcase. 34. The vehicle according to claim 33, wherein the first lubricant storage chamber is capable of storing at least 30% of a total volume of lubricant within the dry sump lubrication system.35. The vehicle according to claim 33, wherein the first lubricant storage chamber is capable of storing at least 50% of a total volume of lubricant within the dry sump lubrication system.36. The vehicle according to claim 33, wherein the first lubricant storage chamber being located substantially below the crankshaft axis.37. The vehicle according to claim 33, wherein the oil tank is positioned between the continuously variable transmission and the crankcase.38. The vehicle according to claim 33, wherein the oil tank at least partially surrounds a portion of the crankshaft.39. The vehicle according to claim 38, wherein the crankshaft extends through an opening in the oil tank.40. The vehicle according to claim 33, wherein the oil tank is releasably secured to the output end of the crankcase.41. The vehicle according to claim 33, wherein the first lubricant storage chamber and the oil tank are fluidly connected through a common opening.42. The vehicle according to claim 33, wherein the oil tank is fluidly connected to the crank chamber.43. The vehicle according to claim 42, further comprising:a connecting channel formed in the crankcase, wherein the oil tank is fluidly connected to the crank chamber through the connecting channel; and a non-return valve located within an outlet of the crank chamber, wherein the non-return valve prevents backflow of lubricant into the crank chamber from the connecting channel. 44. The vehicle according to claim 43, wherein the non-return valve is a reed valve.45. The vehicle according to claim 43, wherein a riser line connects the connecting channel to the oil tank.46. The vehicle according to claim 45, wherein the riser line is formed by a baffle within the oil tank.47. The vehicle according to claim 43, wherein the crankcase includes a first crankcase housing and a second crankcase housing, wherein the non-return valve being held positively between the first and second crankcase housings.48. The vehicle according to claim 43, wherein the connecting channel includes a collection area for collecting lubricant from the crank chamber.49. The vehicle according to claim 48, further comprising a strainer located within the connecting channel between the non-return valve and the collection area.50. The vehicle according to claim 48, further comprising:a suction pump for delivering lubricant from the collection area to the oil tank. 51. The vehicle according to claim 50, wherein the suction pump being located on the opposite end of the crankcase, wherein the suction pump is driven by the crankshaft.52. The vehicle according to claim 43, further comprising:a riser line, wherein the connecting channel is fluidly connected to the oil tank through the riser line. 53. The vehicle according to claim 52, further comprising:at least one timing chain for operating a valve operating assembly, wherein the at least one timing chain is located within at least one timing chain passageway within the crank case and the cylinder unit, wherein the at least one timing chain passageway is fluidly connected to the collection area. 54. The vehicle according to claim 33, further comprising:a force pump for supplying lubricant from the first lubricant storage chamber to the engine, wherein the force pump being located on the opposite end of the crankcase and driven by the crankshaft. 55. The vehicle according to claim 54, further comprising:an oil pickup assembly at least partially submerged within the first lubricant storage chamber. 56. The vehicle according to claim 55, wherein the oil pickup assembly has an inlet side and an outlet side, wherein the oil pickup assembly includes a strainer assembly located on the inlet side, wherein the outlet side is in fluid communication with a riser channel formed in the crankcase, wherein the riser channel is connected to the force pump.57. The vehicle according to claim 56, wherein one end of the riser channel having a drain opening formed therein, a drain plug is removable secured in the drain opening.58. The vehicle according to claim 55, wherein the crankcase includes a first crankcase housing and a second crankcase housing, wherein the oil pick-up assembly being positively held between the first and second crankcase housings.59. The vehicle according to claim 33, wherein the dry sump lubrication system further comprising:a cylindrical oil filter, wherein the oil filter having an oil filter axis, wherein the filter axis being arranged substantially parallel to an axis of at least one cylinder unit. 60. The vehicle according to claim 59, wherein the oil filter is located between one of the at least one cylinder unit and the oil tank.61. The vehicle according to claim 60, wherein the oil filter is located on a front side of the engine.62. The vehicle according to claim 33, wherein the dry sump lubrication system further comprising:a lubricant cooler, wherein the lubricant cooler is secured to the crankcase. 63. The vehicle according to claim 62, wherein the lubricant cooler includes a cooling-plate.64. The vehicle according to claim 62, wherein the crankcase including at least one lubricant passageway and at least one coolant passageway formed therein wherein the at least one lubricant passageway and the at least one coolant passageway being operatively connected to the lubricant cooler.65. The vehicle according to claim 62, wherein the lubricant cooler is secured to the crankcase on a front side of the engine.66. The vehicle according to claim 33, wherein the oil tank is formed from a plastic material.67. A vehicle, comprising:a vehicle frame having a longitudinal axis; and a four cycle engine secured to the frame, comprising: a crankcase having a crankshaft extending there through, wherein the crankcase has a crank chamber, wherein the crankshaft extends through the crank chamber from an output end to an opposite end of the crankcase, wherein the crankshaft has a crankshaft axis, wherein the crankshaft axis is transverse to the longitudinal axis; at least one cylinder unit connected to the crankcase, wherein each cylinder unit includes a cylinder and a cylinder head; a continuously variable transmission secured to one end of the engine; and a dry sump lubrication system having a first lubricant storage chamber storing a first volume of lubricant, the first lubricant storage chamber being located in the crankcase, an oil tank storing a second volume of lubricant, the oil tank being secured to the crankcase, wherein the first lubricant storage chamber is capable of storing at least 30% of a total volume of lubricant within the dry sump lubrication system. 68. A snowmobile, comprisinga snowmobile frame having a longitudinal axis; a track connected to the snowmobile frame; and a four cycle engine for driving the track, comprising: a crankcase having a crankshaft extending there through, wherein the crankcase has a crank chamber, wherein the crankshaft extends through the crank chamber from an output end to an opposite end of the crankcase, wherein the crankshaft has a crankshaft axis, wherein the crankshaft axis is transverse to the longitudinal axis; at least one cylinder unit connected to the crankcase, wherein each cylinder unit includes a cylinder and a cylinder head; a dry sump lubrication system having at least two lubricant storage chambers, a lubricant storage chamber stores a first volume of lubricant, wherein the first lubricant storage chamber is located in the crankcase, an oil tank stores a second volume of lubricant, wherein the oil tank is secured to the crankcase; and a continuously variable transmission secured to the engine on one side of the crankcase. 69. The snowmobile according to claim 68, wherein the first lubricant storage chamber is capable of storing at least 30% of a total volume of lubricant within the dry sump lubrication system.70. The snowmobile according to claim 68, wherein the first lubricant storage chamber is capable of storing at least 50% of a total volume of lubricant within the dry sump lubrication system.71. The snowmobile according to claim 68, wherein the first lubricant storage chamber being located substantially below the crankshaft axis.72. The snowmobile according to claim 68, wherein the oil tank being secured to the output end of the crankcase.73. The snowmobile according to claim 72, wherein the oil tank at least partially surrounds a portion of the crankshaft.74. The snowmobile according to claim 73, wherein the crankshaft extends through an opening in the oil tank.75. The snowmobile according to claim 72, wherein the oil tank is releasably secured to the output end of the crankcase.76. The snowmobile according to claim 72, wherein the first lubricant storage chamber and the oil tank are fluidly connected through a common opening.77. The snowmobile according to claim 68, wherein the oil tank is fluidly connected to the crank chamber.78. The snowmobile according to claim 77, further comprising:a connecting channel formed in the crankcase, wherein the oil tank is fluidly connected to the crank chamber through the connecting channel; and a non-return valve located within an outlet of the crank chamber, wherein the non-return valve prevents backflow of lubricant into the crank chamber from the connecting channel. 79. The snowmobile according to claim 78, wherein the non-return valve is a reed valve.80. The snowmobile according to claim 78, wherein a riser line connects the connecting channel to the oil tank.81. The snowmobile according to claim 80, wherein the riser line is formed by a baffle within the oil tank.82. The snowmobile according to claim 78, wherein the crankcase includes a first crankcase housing and a second crankcase housing, wherein the non-return valve being held positively between the first and second crankcase housings.83. The snowmobile according to claim 78, wherein the connecting channel includes a collection area for collecting lubricant from the crank chamber.84. The snowmobile according to claim 83, further comprising a strainer located within the connecting channel between the non-return valve and the collection area.85. The snowmobile according to claim 78, further comprising:a suction pump for delivering lubricant from the collection area to the oil tank. 86. The snowmobile according to claim 85, wherein the suction pump being located on the opposite end of the crankcase, wherein the suction pump is driven by the crankshaft.87. The snowmobile according to claim 78, further comprising:a riser line, wherein the connecting channel is fluidly connected to the oil tank through the riser line. 88. The snowmobile according to claim 87, further comprising:at least one timing chain for operating a valve operating assembly, wherein the at least one timing chain is located within at least one timing chain passageway within the crank case and the cylinder unit, wherein the at least one timing chain passageway is fluidly connected to the collection area. 89. The snowmobile according to claim 78, further comprising:a force pump for supplying lubricant from the first lubricant storage chamber to the engine, wherein the force pump being located on the opposite end of the crankcase and driven by the crankshaft. 90. The snowmobile according to claim 89, further comprising:an oil pickup assembly at least partially submerged within the first lubricant storage chamber. 91. The snowmobile according to claim 90, wherein the oil pickup assembly has an inlet side and an outlet side, wherein the oil pickup assembly includes a strainer assembly located on the inlet side, wherein the outlet side is in fluid communication with a riser channel formed in the crankcase, wherein the riser channel is connected to the force pump.92. The snowmobile according to claim 91, wherein one end of the riser channel having a drain opening formed therein, a drain plug is removable secured in the drain opening.93. The snowmobile according to claim 92, wherein the crankcase includes a first crankcase housing and a second crankcase housing, wherein the oil pick-up assembly being positively held between the first and second crankcase housings.94. The snowmobile according to claim 68, wherein the dry sump lubrication system further comprising:a cylindrical oil filter, wherein the oil filter having an oil filter axis, wherein the filter axis being arranged substantially parallel to an axis of at least one cylinder unit. 95. The snowmobile according to claim 94, wherein the oil filter is located between one of the at least one cylinder unit and the oil tank.96. The snowmobile according to claim 94, wherein the oil filter is located on a front side of the engine.97. The snowmobile according to claim 68, wherein the dry sump lubrication system further comprising:a lubricant cooler, wherein the lubricant cooler is secured to the crankcase. 98. The snowmobile according to claim 97, wherein the lubricant cooler includes a cooling-plate.99. The snowmobile according to claim 97, wherein the crankcase including at least one lubricant passageway and at least one coolant passageway formed therein wherein the at least one lubricant passageway and the at least one coolant passageway being operatively connected to the lubricant cooler.100. The snowmobile according to claim 97, wherein the lubricant cooler is secured to the crankcase on a front side of the engine.101. The snowmobile according to claim 68, wherein the oil tank is formed from a plastic material.102. The snowmobile according to claim 68, wherein the oil tank is positioned between the continuously variable transmission and the crankcase.