Motorcycle Engine & Transmission Building: Vintage Harley Davidsons, Triumph, BSA, Norton, BMW, Honda, & Classic British Motorcycles

Classic motorcycle engine & transmission building, vintage motorcycle engine & transmission repair, Doug's Cycle Barn, Swansea, MA

Click / tap to enlarge photo

All of our motorcycle engine & transmission rebuild procedures consist of the best practices and latest technology available.

Decades of motorcycle engine & transmission rebuilding experience and better materials ensure that you will get a quality job that is warrantied for one year, and will last for many years to come.

Click / tap to enlarge photo

Quality motorcycle engine & transmission rebuilds – done right!

All gasket mating surfaces are inspected and corrected, all threaded holes & studs are inspected for damage.
Engine cases are media or soda blasted.
Covers are either polished to a high luster or chrome plated to suit your needs.
A wide range of powder coating, including "wrinkle" finish, is also available.
All internal motorcycle engine & transmission parts are washed and inspected for reuse or replacement.

Click / tap to enlarge photo

More advanced charging system components make this a perfect time to upgrade.

All motorcycle engine & transmission rebuilds are assembled in-house and can be shipped right to your door. Delivery is also available within a 50-mile radius.