*For .STEP files, right click on the download links and choose 'save link as' to download file*

R1 Engine:

R1_engine.jpg

Courtesy of dpcars.net. Here is a direct link to the download: http://dpcars.net/r1.zip

Hyabusa Engine:

Courtesy of dpcars.net. Here is a direct link to the download: http://dpcars.net/dp1dsn/engine.zip
"complete 3D model suitable for use in designing custom frames. Assumes use of TTS dry sump. Accuracy is about 1/4". For reference, engine weight as modeled is 180 lbs." - dpcars.net