| US 7,581,525 B2 | ||
| Twin cylinder motorcycle engine | ||
| Brian Hanold, Richland Center, Wis. (US); Floyd Baker, Readstown, Wis. (US); Bruce Tessmer, Richland Center, Wis. (US); and Scott Sjovall, Westby, Wis. (US) | ||
| Assigned to S & S Cycle, Inc., Viola, Wis. (US) | ||
| Filed on Aug. 01, 2007, as Appl. No. 11/882,382. | ||
| Application 11/882382 is a division of application No. 10/845126, filed on May 14, 2004, abandoned. | ||
| Prior Publication US 2007/0266987 A1, Nov. 22, 2007 | ||
| Int. Cl. F01M 3/04 (2006.01) | ||
| U.S. Cl. 123—196M [123/90.33; 123/90.34; 123/90.36] | 20 Claims |
| 1. An oil delivery system for delivering oil to rocker arms in a motorcycle engine, comprising:
a first oil line for supplying oil to a first rocker box;
a first oil passageway formed within a wall of the first rocker box for distributing oil from the first oil line to rocker
shafts on which at least two rocker arms are operably supported within the first rocker box; and
wherein each rocker arm includes a second oil passageway extending along an associated one of the rocker shafts for distributing
oil from the first oil passageway along a length of each rocker arm.
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