Harley Davidson Xr 750 Engine

CC by 20 Wiki Commons HD XR750 Performance.

Harley davidson xr 750 engine. Some time after is when the AMA introduced a new GN class called Supertractors oops I meant Supertrackers. Cash only sale and price is very very firm. Harley Davidson XR750.

Listing 1-16 Of 16. Photo courtesy Todd Horner from Lethbridge Canada. With the KR750 now at a disadvantage Harley-Davidson swapped the side-valve KR motor for a de-stroked XL Sportster engine and the KR750 became the XR750.

The engine was mated with a factory rolling chassis provided by High Speed Motors run by John Steele the. In fact its the winningest production racebike in history. The XR-1000 had a 1000cc engine two high rise flat track style exhausts and twin DellOrto carburettors with KN type filters.

Speaking of flat track there is a monumental occasion happening this Saturday October 6 at the NJ Meadowlands. Read the riders comments at the bikes discussion groupAnd check out the bikes reliability repair costs etc. As predicted interest was very high in this bike.

The engine was sent to and completely rebuilt by Carl Patrick a well-known race engine builder for todays current champions. This period was when Harleys XR-750 became the OffyCosworthHemi of motorcycle racing. Mechanics favored the factory engines because the bottom end is relatively bulletproof and seldom needed rebuilding.

Also these special frames and XR-750 engines are not built to withstand many miles when ridden on pavement. 1972 Harley-Davidson XR XR750 XR-750 Rolling Chassis Dirt Track Racer W Parts. This was the XR-1000 and it was a blending of XR-750 and Harley-Davidson XLX Sportster parts to create a practical road bike with some of the XR-750s character.