Two-wheeled vehicle
First Claim
Patent Images
1. A two-wheeled vehicle, comprising:
- a frame comprising a main frame portion having an internal generally closed volume, and having an air intake adjacent a front end of the main frame portion and an air outlet rearward of the air intake, the air intake and the air outlet communicating through the internal generally closed volume, wherein the main frame portion includes a steering head tube at a front end thereof, and the air intake is positioned below the head tube;
a plurality of ground-engaging members for supporting the frame;
an engine having at least a first cylinder including a first intake port and a first exhaust port;
a transmission operably coupled to the engine; and
an engine intake assembly positioned laterally outward of the engine and coupled between the air outlet and the engine, the engine intake assembly including a duct coupled to an air cleaner and a throttle coupled to the first intake port.
1 Assignment
0 Petitions
Accused Products
Abstract
An engine includes a first cylinder communicating with a first intake port and a first exhaust port, and an exhaust assembly coupled to the engine and including a first exhaust manifold coupled to the first exhaust port. The first exhaust manifold is angled relative to the first exhaust port.
-
Citations
18 Claims
-
1. A two-wheeled vehicle, comprising:
-
a frame comprising a main frame portion having an internal generally closed volume, and having an air intake adjacent a front end of the main frame portion and an air outlet rearward of the air intake, the air intake and the air outlet communicating through the internal generally closed volume, wherein the main frame portion includes a steering head tube at a front end thereof, and the air intake is positioned below the head tube; a plurality of ground-engaging members for supporting the frame; an engine having at least a first cylinder including a first intake port and a first exhaust port; a transmission operably coupled to the engine; and an engine intake assembly positioned laterally outward of the engine and coupled between the air outlet and the engine, the engine intake assembly including a duct coupled to an air cleaner and a throttle coupled to the first intake port. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A two-wheeled vehicle, comprising:
-
a frame comprising a main frame portion having an internal generally closed volume, and having an air intake adjacent a front end of the main frame portion and an air outlet rearward of the air intake; a plurality of ground-engaging members for supporting the frame; an engine having first and second cylinders including a first intake port and a first exhaust port, the engine being mechanically coupled to the main frame portion; and an engine air/fuel assembly positioned on an exterior of the main frame portion and being coupled between the air outlet and the engine, the engine air/fuel assembly being configured to receive air from the air intake of the main frame portion and provide air to the main frame portion at a position upstream of the air outlet of the main frame portion. - View Dependent Claims (8, 9, 10)
-
-
11. A two-wheeled vehicle, comprising:
-
a frame comprising a main frame portion having an air intake adjacent a front end of the main frame portion, an air outlet rearward of the air intake, and a first internal generally closed volume generally extending between the air intake and the air outlet; a plurality of ground-engaging members for supporting the frame; an engine having at least a first cylinder including a first intake port and a first exhaust port; a transmission operably coupled to the engine; and an air intake assembly having an air box externally coupled to the main frame portion and a filter positioned within one of the air box or the main frame portion, and the air box has a second internal generally closed volume, wherein air within the first internal generally closed volume is directed outward from the main frame portion and into the second internal generally closed volume, and the air intake and the air outlet communicate through the second internal generally closed volume. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
-
Specification