Harley Davidson Xr 750 Engine

Davidson motorcycles were introduced in 1970 with iron barrels and heads that failed miserably so a revised alloy engine version of the XR750 Harley Davidson motorcycle was introduced two years later.
Harley davidson xr 750 engine. If we ever run out of ideas and succumb at EXIF you can guarantee that the Harley-Davidson XR750 flat tracker will be in our list. Interestingly current well-tuned XR engines are giving over 90 hp which is not bad for a two-valve 750. The updated engine used aluminum cylinders and heads to address the overheating issues that plagued the XR model.
So this streetable XR750 from Brad Peterson is right up our er street. Must see to appreciate. The AMA Grand National Championship Class C rules which governed flat track racing for countless decades carefully stipulated that flathead and side-valve engines could have a swept capacity of up to 750cc whereas overhead valve and overhead cam engines were limited to 500cc.
Some time after is when the AMA introduced a new GN class called Supertractors oops I meant Supertrackers. Speaking of flat track there is a monumental occasion happening this Saturday October 6 at the NJ Meadowlands. The twin-cylinder 748 cc engines develop white-knuckle torque that continually proved successful on oval dirt tracks.
This Harley Davidson XR 750 engine was found in a barn find situation many years ago in Southern California. 1972 Harley-Davidson XR-750 flat track racing motorcycle Engine no. You can also sign up for e-mail.
Johnny won the Hagerstown Half-mile nati. Cash only sale and price is very very firm. If you are a moderator please see our troubleshooting guide.
The XR-1000 had a 1000cc engine two high rise flat track style exhausts and twin DellOrto carburettors with KN type filters. The new motor produced 73 hp straight from the drawing board and revved to 8200 rpm with comfort. Photo courtesy Todd Horner from Lethbridge Canada.