Precision Cycle

Motorcycle workshop · Wainfleet, Ontario

Norton Commando exhaust port repair

Dan Poitras repairs damaged exhaust port threads on Norton Commando cylinder heads. Precision Cycle also specializes in American V-twins.

Call Dan · 613-791-6721See the machining ↓
Threaded insert fitted inside a Norton Commando exhaust port
WORKSHOP DETAILRepaired exhaust port

01 / Norton Commando

A closer look at the cylinder head, machined port and threaded inserts. Select any photo to see it full size.

Machined exhaust port
01 Machined exhaust port
Internal port threads
02 Internal port threads
Threaded insert at the port face
03 Threaded insert at the port face
Close-up of the repaired port
04 Close-up of the repaired port
Cylinder head on the bench
05 Cylinder head on the bench
Cylinder head in the machining fixture
06 Cylinder head in the machining fixture
Pair of threaded inserts
07 Pair of threaded inserts

02 / Motorcycle services

American V-twin specialists

Dan Poitras is a licensed motorcycle mechanic with experience working on Harley-Davidson Panheads, Shovelheads, Evos and Twin Cams.

Maintenance & tires

  • Motorcycle repair and maintenance
  • Oil changes and annual servicing
  • Tire installation and dynamic balancing for all makes and models, up to 30-inch wheels
  • Motorcycle storage

Engine & performance

  • Crankshaft and cylinder head rebuilding
  • Performance upgrades
  • Mechanical and electrical compression releases and S&S Easy Start cams
  • Twin Cam left crank bearing and cam upgrades
  • TTS and ThunderMax tuners

Custom work

  • Motorcycle customizing
  • Custom braided brake lines made on site

Performance brands

  • Rinehart Racing
  • Baker Drivetrain
  • ThunderMax
  • Zipper’s Performance Products

03 / Contact the workshop

Talk to Dan

Call to discuss your repair or book a service appointment.

Ontario Motor Vehicle Inspection Station sign
Dan Poitras · Precision Cycle
11558 Hwy 3
Wainfleet, Ontario L0S 1V0
dzldanz@gmail.com
Call 613-791-6721Get directions ↗