Abstract: Electric and hybrid off-road vehicles, accessories and frames therefor are provided. An off-road vehicle comprises a frame assembly, at least one front and rear wheel, at least one electric motor, at least one battery and at least one final drive unit operatively coupled to at least one wheel. The electric motor is operatively coupled to the final drive unit for transferring torque from the electric motor to the wheel. A battery assembly having electric components integrated thereto is provided. A structural battery is configured to provide a structural connection between at least two of a top, bottom, front and rear portions of a frame assembly for an off-road vehicle, and for receiving loads therefrom. Improved drivetrain arrangements provide flexibility in operating an off-road vehicle and improve overall performance. The environmental impact of off-road vehicles is reduced. Weight and complexity of off-road vehicle frames are reduced without affecting stability or safety.

Abstract: Electric and hybrid off-road vehicles, accessories and frames therefor are provided. An off-road vehicle comprises a frame assembly, at least one front and rear wheel, at least one electric motor, at least one battery and at least one final drive unit operatively coupled to at least one wheel. The electric motor is operatively coupled to the final drive unit for transferring torque from the electric motor to the wheel. A battery assembly having electric components integrated thereto is provided. A structural battery is configured to provide a structural connection between at least two of a top, bottom, front and rear portions of a frame assembly for an off-road vehicle, and for receiving loads therefrom. Improved drivetrain arrangements provide flexibility in operating an off-road vehicle and improve overall performance. The environmental impact of off-road vehicles is reduced. Weight and complexity of off-road vehicle frames are reduced without affecting stability or safety.

Abstract: Electric and hybrid off-road vehicles, accessories and frames therefor are provided. An off-road vehicle comprises a frame assembly, at least one front and rear wheel, at least one electric motor, at least one battery and at least one final drive unit operatively coupled to at least one wheel. The electric motor is operatively coupled to the final drive unit for transferring torque from the electric motor to the wheel. A battery assembly having electric components integrated thereto is provided. A structural battery is configured to provide a structural connection between at least two of a top, bottom, front and rear portions of a frame assembly for an off-road vehicle, and for receiving loads therefrom. Improved drivetrain arrangements provide flexibility in operating an off-road vehicle and improve overall performance. The environmental impact of off-road vehicles is reduced. Weight and complexity of off-road vehicle frames are reduced without affecting stability or safety.

Abstract: A heat exchanger assembly has: a front portion; a middle portion rearward of the front portion; a rear portion rearward of the middle portion, at least one of the front and rear portions being curved from the middle portion, the at least one of the front and rear portions extending below the middle portion; a top part, the top part defining at least one top recess; and a bottom part disposed below the top part and being joined to the top part, the bottom part defining at least one bottom recess. The top and bottom parts define therebetween a passage formed in part by the at least one top recess and the at least one bottom recess. The passage has an inlet and an outlet. A snowmobile having the heat exchanger assembly is also disclosed.

Abstract: According to one aspect of the present technology, there is provided a snowmobile having: a tunnel; a motor; at least one ski; and a drive track. At least a portion of the tunnel is formed by a heat exchanger assembly having: a front portion; a middle portion; a rear portion; a top part; and a bottom part. The bottom part defines at least one recess. The top and bottom parts define therebetween a passage formed in part by the at least one recess. A first portion of the passage is defined by the at least one recess extending longitudinally. The drive track has: a plurality of lugs; and a plurality of studs. Portions of the plurality of lugs being laterally aligned with the first portion of the passage being free of studs.

Abstract: According to one aspect of the present technology, there is provided a snowmobile having: a tunnel; a motor; at least one ski; and a drive track. At least a portion of the tunnel is formed by a heat exchanger assembly having: a front portion; a middle portion; a rear portion; a top part; and a bottom part. The bottom part defines at least one recess. The top and bottom parts define therebetween a passage formed in part by the at least one recess. A first portion of the passage is defined by the at least one recess extending longitudinally. The drive track has: a plurality of lugs; and a plurality of studs. Portions of the plurality of lugs being laterally aligned with the first portion of the passage being free of studs.

Abstract: A heat exchanger assembly has: a front portion; a middle portion rearward of the front portion; a rear portion rearward of the middle portion, at least one of the front and rear portions being curved from the middle portion, the at least one of the front and rear portions extending below the middle portion; a top part, the top part defining at least one top recess; and a bottom part disposed below the top part and being joined to the top part, the bottom part defining at least one bottom recess. The top and bottom parts define therebetween a passage formed in part by the at least one top recess and the at least one bottom recess. The passage has an inlet and an outlet. A snowmobile having the heat exchanger assembly is also disclosed.

Abstract: A heat exchanger assembly has a top par and a bottom part joined to the top part. At least one of the top and bottom parts defines a recess. The top and bottom parts define therebetween a passage formed in part by the recess. The passage has a first portion of the passage extending along a first side of the heat exchanger assembly; a second portion of the passage extending along a second side of the heat exchanger assembly; an inlet fluidly communicating with the first portion of the passage near a first end of the passage; and an outlet fluidly communicating with the second portion of the passage near a second end of the passage. Fluid enters the passage via the inlet, then flows in the first portion of the passage, then flows in the second portion of the passage, and then exits the passage via the outlet.

Abstract: A snowmobile has a frame, a ski connected to the frame, a seat connected to the frame for accommodating a driver of the snowmobile, a rear suspension assembly operatively connected to the frame, an endless track supported by the rear suspension assembly, a motor supported by the frame, and a continuously variable transmission (CVT) operatively connecting the motor to the endless track. The rear suspension assembly has a suspension assembly drive axle defining a drive axle rotation axis, and a drive sprocket mounted to the drive axle. The motor has a shaft rotatable about a shaft rotation axis. The drive axle rotation axis is positioned forwardly of the shaft rotation axis. The seat is positioned above the motor.

Abstract: A snowmobile includes a tunnel having an inverted U-shape, having top, left side and right side portions which at least partly enclose a space. A drive track is disposed around a rear suspension assembly and at least in part in the space. A first heat exchanger has a heat exchanger liquid inlet and outlet. The heat exchanger liquid outlet fluidly communicates with the heat exchanger liquid inlet and with an engine liquid inlet. The first heat exchanger forms part of the top portion and is operable to dissipate heat toward the space from liquid passing therethrough. A second heat exchanger has a heat exchanger air inlet and outlet. The heat exchanger air outlet fluidly communicates with the heat exchanger air inlet and with the engine air inlet. The second heat exchanger forms part of the top portion and is operable to dissipate heat toward the space from air passing therethrough.

Abstract: A snowmobile includes a tunnel having an inverted U-shape, having top, left side and right side portions which at least partly enclose a space. A drive track is disposed around a rear suspension assembly and at least in part in the space. A first heat exchanger has a heat exchanger liquid inlet and outlet. The heat exchanger liquid outlet fluidly communicates with the heat exchanger liquid inlet and with an engine liquid inlet. The first heat exchanger forms part of the top portion and is operable to dissipate heat toward the space from liquid passing therethrough. A second heat exchanger has a heat exchanger air inlet and outlet. The heat exchanger air outlet fluidly communicates with the heat exchanger air inlet and with the engine air inlet. The second heat exchanger forms part of the top portion and is operable to dissipate heat toward the space from air passing therethrough.

Abstract: A snowmobile has a frame, a ski, a rear suspension assembly, an endless track supported by the rear suspension assembly, a motor supported by the frame, and a continuously variable transmission (CVT) operatively connecting the motor to the endless track. The motor has a shaft rotatable about a shaft rotation axis. The CVT has a primary pulley, a secondary pulley, and a transmission belt. The primary pulley is rotatable about a primary pulley rotation axis extending parallel to the shaft rotation axis of the shaft of the motor. The primary pulley is operatively connected to and driven by the shaft of the motor by one of a chain and a belt. The secondary pulley is operatively connected to and driven by the primary pulley. The secondary pulley is operatively connected to the endless track. The transmission belt connects the primary pulley to the secondary pulley.

Abstract: A snowmobile has a frame having a motor module, a tunnel connected to the motor module, a suspension module connected to the motor module, a motor, a handlebar, a ski operatively connected to the handlebar and a front suspension assembly operatively connecting the ski to the suspension module and to the motor module. The front suspension assembly has a suspension arm having a proximal end positioned longitudinally between the motor module and the suspension module. The proximal end pivots about a pivot axis extending through an interior portion of the suspension module. A proximal fastener passes through the proximal end of the suspension arm and extends from the interior portion of the suspension module to the motor module. The proximal fastener thereby pivotally connects the suspension arm to the suspension module and to the motor module about the pivot axis.

Abstract: A snowmobile has a frame including an inverted U-shaped tunnel having top, left and right portions at least partly enclosing a space. A drive track, operatively connected to an engine, is disposed around a rear suspension and at least partly in the space. An air intake system has a heat exchanger surface disposed in or adjacent to the space. Air flowing through the intake system contacts the heat exchanger surface to be cooled thereby before entering the engine.

Abstract: A heat exchanger assembly has a top par and a bottom part joined to the top part. At least one of the top and bottom parts defines a recess. The top and bottom parts define therebetween a passage formed in part by the recess. The passage has a first portion of the passage extending along a first side of the heat exchanger assembly; a second portion of the passage extending along a second side of the heat exchanger assembly; an inlet fluidly communicating with the first portion of the passage near a first end of the passage; and an outlet fluidly communicating with the second portion of the passage near a second end of the passage. Fluid enters the passage via the inlet, then flows in the first portion of the passage, then flows in the second portion of the passage, and then exits the passage via the outlet.

Abstract: A heat exchanger assembly has a front portion, a middle portion rearward of the front portion, a rear portion rearward of the middle portion, a top part and a bottom part disposed below the top part. At least one of the front and rear portions is curved from the middle portion. The at least one of the front and rear portions extends below the middle portion. The bottom part is joined to the top part. At least one of the top and bottom parts defines a recess. The top and bottom parts define therebetween a passage formed in part by the recess. A width of the passage varies along a length of the heat exchanger assembly. The passage has an inlet and an outlet. A snowmobile with a heat exchanger assembly and a method of manufacturing a heat exchanger assembly are also disclosed.

Abstract: A vehicle has a frame, a ski, an endless track, a motor, a rear suspension assembly supporting the endless track, and a continuously variable transmission operatively connecting the motor to the endless track for driving the endless track. The continuously variable transmission has a primary pulley operatively connected to the motor, a transmission belt, and a secondary pulley operatively connected to the primary pulley via the transmission belt. The secondary pulley is operatively connected to the endless track. The continuously variable transmission is positioned forwardly of the motor.

Abstract: A snowmobile has a frame including an inverted U-shaped tunnel having top, left and right portions at least partly enclosing a space. A drive track, operatively connected to an engine, is disposed around a rear suspension and at least partly in the space. An air intake system has a heat exchanger surface disposed in or adjacent to the space. Air flowing through the intake system contacts the heat exchanger surface to be cooled thereby before entering the engine.

Abstract: A snowmobile has a frame including a tunnel, at least one ski, an engine having an engine air inlet and a drive track operatively connected thereto and disposed at least partly below the tunnel around a rear suspension. A heat exchanger connected to the tunnel has a heat exchanger air inlet and a heat exchanger air outlet fluidly communicating with the heat exchanger air inlet and the engine air inlet. A snowmobile has a frame including an inverted U-shaped tunnel having top, left and right portions at least partly enclosing a space. A drive track, operatively connected to an engine, is disposed around a rear suspension and at least partly in the space. An air intake system has a heat exchanger surface disposed in or adjacent to the space. Air flowing through the intake system contacts the heat exchanger surface to be cooled thereby before entering the engine.

Abstract: A snowmobile has a frame having a motor module, a tunnel connected to the motor module, a suspension module connected to the motor module, a motor, a handlebar, a ski operatively connected to the handlebar and a front suspension assembly operatively connecting the ski to the suspension module and to the motor module. The front suspension assembly has a suspension arm having a proximal end positioned longitudinally between the motor module and the suspension module. The proximal end pivots about a pivot axis extending through an interior portion of the suspension module. A proximal fastener passes through the proximal end of the suspension arm and extends from the interior portion of the suspension module to the motor module. The proximal fastener thereby pivotally connects the suspension arm to the suspension module and to the motor module about the pivot axis.