What causes Throttle body sync causing rough idle/surging on the Bmw R Nine T /5?

Test idle stability, listen for hunting at low RPM Estimated fix cost: $150-$300

What causes Final drive spline wear from dry lubrication on the Bmw R Nine T /5?

Check for clunking on acceleration, inspect service records Estimated fix cost: $500-$1500

Look for oil film on lower fork legs Estimated fix cost: $200-$400

Check for random stalls, fuel smell near airbox Estimated fix cost: $50-$150

Known issues to inspect before buying a used Bmw R Nine T /5. What to check and how much repairs cost.

MODERATE

Test idle stability, listen for hunting at low RPM

Fix cost: $150-$300

SERIOUS

Check for clunking on acceleration, inspect service records

Fix cost: $500-$1500

MODERATE

Look for oil film on lower fork legs

Fix cost: $200-$400

MINOR

Check for random stalls, fuel smell near airbox

Fix cost: $50-$150

☐Check final drive for play and clunks

☐Warm up engine, test idle behavior

☐Inspect forks and swing arm bearings

☐Verify throttle body sync was serviced

Solid bike, maintenance-sensitive mechanical components