JT Motorcycles can offer tuning packages to suit all budgets.

• Road bikes
• Race bikes
• Motocross bikes
• ATV's

Engine tune with dyno set up.

• Machine run on dyno for base power figure.
• Engine stripped, cleaned and inspected before modifications
  begin.

Typical modifications include.

• Cylinder head gas flowed.
• Port shape and size optimized.
• Valve guide modified.
• Valve seats re cut with 3 or 5 angles.
• Spring pressures set.
• Head and or cylinder machined for correct compression ratio and squish.
• Crankshaft clearances and run out checked.
• Depending on application crankshaft lightened, balanced or stroked.
• Camshaft fitted and dialled in.
• Piston to valve clearance checked and modified if necessary.

• Run in on dyno if required.
• Adjust carburation or write new fuel map as required.
• Print power, torque and fueling graph.

• Suzuki LTR450 example motocross tune.

• Yamaha 250 Raptor example enduro tune.