# US 2017/0284288 A1 · Internal combustion engine for saddle-ride type vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0284288 A1 - Document ID: US20170284288A1 - Status: Published application - Kind: A1 - Application number: 15/453,186 - Filed: 2017-03-08 - Published: 2017-10-05 - Earliest claimed: 2016-03-30 - Assignees: Honda Motor Co., Ltd. - Applicants: Honda Motor Co., Ltd. - Inventors: Hodaka MUKOHARA - Web page: https://patentgrep.com/patent/US20170284288A1 ## CPC - F02B 61/02: for driving cycles - F01L 1/047: Camshafts - F01L 1/053: overhead type - F01L 1/18: Rocking arms or levers - F02B 75/22: with cylinders in V, fan, or star arrangement - F02F 1/24: Cylinder heads - F02F 7/0082: {Mounting of engine casings} - F01L 1/181: {Centre pivot rocking arms} - F01L 1/46: Component parts, details, or accessories, not provided for in preceding subgroups - F01L 2001/0476: {Camshaft bearings} - F01L 2001/0535: {Single overhead camshafts [SOHC]} - F01L 2001/0537: {Double overhead camshafts [DOHC]} - F02F 7/0012: {Crankcases of V-engines} - F02F 7/0046: {Shape of casings adapted to facilitate fitting or dismantling of engine parts} - F02F 7/0068: {Adaptations for other accessories} - F02F 11/002: {involving cylinder heads} - F02F 2007/0063: {Head bolts; Arrangements of cylinder head bolts} - F02B: INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL (gas-turbine plants F02C; hot-gas or combustion-product positive-displacement engine plants F02G) - F01L: CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES - F02F: CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES ## Abstract An internal combustion engine for a motorcycle includes a rear cylinder head, the rear cylinder head being provided with a camshaft, an exhaust rocker arm rocked by the camshaft, an engine valve closed/opened by being push-pressed by the exhaust rocker arm, and a rocker arm shaft swingably supporting the exhaust rocker arm. In the internal combustion engine for the motorcycle, the rear cylinder head is provided separately from a holder member, the holder member being provided adjacently to the rear cylinder head, the camshaft is rotatably supported by the holder member, and the holder member is provided with right and left rear side walls and internal combustion engine supporting portions, the right and left rear side walls supporting the rocker arm shaft, the internal combustion engine supporting portion being supported by a vehicle body frame. ## Claims ### Claim 1 An internal combustion engine for a saddle-ride type vehicle, the internal combustion engine comprising a cylinder head (97), the cylinder head (97) including a camshaft (104), a rocker arm (107) rocked by the camshaft (104), an engine valve (166) closed/opened by being push-pressed by the rocker arm (107), and a rocker arm shaft (108) swingably supporting the rocker arm (107), wherein the cylinder head (97) is provided separately from a holder member (98), and the holder member (98) being provided adjacently to the cylinder head (97), the camshaft (104) is rotatably supported by the holder member (98), and the holder member (98) includes a rocker arm shaft supporting portion (152u) and an internal combustion engine supporting portion (152a), the rocker arm shaft supporting portion (152u) supporting the rocker arm shaft (108), the internal combustion engine supporting portion (152a) being supported by a vehicle body frame (11). ### Claim 2 (depends on 1) The internal combustion engine for a saddler-ride type vehicle according to claim 1, wherein the internal combustion engine supporting portion (152a) is provided to extend outward in a vehicle width direction, and the internal combustion engine supporting portion (152a) is fastened to the vehicle body frame (11) from the outside in the vehicle width direction toward the inside in the vehicle width direction by a fastening member (86). ### Claim 3 (depends on 1) The internal combustion engine for a saddle-ride type vehicle according to claim 1, wherein a crankcase (81) is provided below the cylinder head (97), and the crankcase (81) is provided with a cushion upper end supporting portion (81a) supporting an upper end of a cushion unit (123) through a bracket (172). ### Claim 4 (depends on 3) The internal combustion engine for a saddle-ride type vehicle according to claim 3, wherein the crankcase (81) is cut in half in the vehicle width direction, and the cushion upper end supporting portion (81a) is provided to one of right and left crankcases (81R, 81L). ### Claim 5 (depends on 4) The internal combustion engine for a saddle-ride type vehicle according to claim 4, wherein an exhaust pipe (68) is connected to a rear portion of the cylinder head (97), and the exhaust pipe (68) extends rearward of the other of the right and left crankcases (81R, 81L). ### Claim 6 (depends on 3) The internal combustion engine for a saddle-ride type vehicle according to claim 3, the internal combustion engine being a V-type internal combustion engine comprising a front bank (31A) and a rear bank (31B), wherein the cylinder head (97) and the cushion upper end supporting portion (81a) are provided to the rear bank (31B). ### Claim 7 (depends on 6) The internal combustion engine for a saddle-ride type vehicle according to claim 6, wherein a supercharger (63) is arranged between the front bank (31A) and the rear bank (31B). ### Claim 8 (depends on 3) The internal combustion engine for a saddle-ride type vehicle according to claim 3, wherein the internal combustion engine supporting portion (152a) is provided at a rear end of the holder member (98), and the upper end of the cushion unit (123) is arranged immediately below the internal combustion engine supporting portion (152a). ### Claim 9 (depends on 2) The internal combustion engine for a saddle-ride type vehicle according to claim 2, wherein a crankcase (81) is provided below the cylinder head (97), and the crankcase (81) is provided with a cushion upper end supporting portion (81a) supporting an upper end of a cushion unit (123) through a bracket (172). ### Claim 10 (depends on 4) The internal combustion engine for a saddle-ride type vehicle according to claim 4, the internal combustion engine being a V-type internal combustion engine comprising a front bank (31A) and a rear bank (31B), wherein the cylinder head (97) and the cushion upper end supporting portion (81a) are provided to the rear bank (31B). ### Claim 11 (depends on 5) The internal combustion engine for a saddle-ride type vehicle according to claim 5, the internal combustion engine being a V-type internal combustion engine comprising a front bank (31A) and a rear bank (31B), wherein the cylinder head (97) and the cushion upper end supporting portion (81a) are provided to the rear bank (31B). ### Claim 12 (depends on 4) The internal combustion engine for a saddle-ride type vehicle according to claim 4, wherein the internal combustion engine supporting portion (152a) is provided at a rear end of the holder member (98), and the upper end of the cushion unit (123) is arranged immediately below the internal combustion engine supporting portion (152a). ### Claim 13 (depends on 5) The internal combustion engine for a saddle-ride type vehicle according to claim 5, wherein the internal combustion engine supporting portion (152a) is provided at a rear end of the holder member (98), and the upper end of the cushion unit (123) is arranged immediately below the internal combustion engine supporting portion (152a). ### Claim 14 (depends on 6) The internal combustion engine for a saddle-ride type vehicle according to claim 6, wherein the internal combustion engine supporting portion (152a) is provided at a rear end of the holder member (98), and the upper end of the cushion unit (123) is arranged immediately below the internal combustion engine supporting portion (152a). ### Claim 15 (depends on 7) The internal combustion engine for a saddle-ride type vehicle according to claim 7, wherein the internal combustion engine supporting portion (152a) is provided at a rear end of the holder member (98), and the upper end of the cushion unit (123) is arranged immediately below the internal combustion engine supporting portion (152a).