What causes Final drive spline wear causing clunking noise on the Bmw F 800 St?

Listen for clunk accelerating, inspect splines for wear Estimated fix cost: $300-$800

What causes Throttle body sync causing rough idle on the Bmw F 800 St?

Idle quality, any hunting or stumbling at low RPM Estimated fix cost: $100-$200

Oil residue on fork legs below seals Estimated fix cost: $150-$350

Sluggish or grinding start, check all cold starts Estimated fix cost: $200-$400

Known issues to inspect before buying a used Bmw F 800 St. What to check and how much repairs cost.

SERIOUS

Listen for clunk accelerating, inspect splines for wear

Fix cost: $300-$800

MODERATE

Idle quality, any hunting or stumbling at low RPM

Fix cost: $100-$200

MODERATE

Oil residue on fork legs below seals

Fix cost: $150-$350

MODERATE

Sluggish or grinding start, check all cold starts

Fix cost: $200-$400

☐Test ride cold start for rough idle

☐Check final drive for clunk under load

☐Inspect fork legs for oil seepage

☐Verify full service history with dealer stamps

Solid bike, maintain well to avoid costly repairs