What causes Throttle body sync causes rough idle/surging on the Triumph Thruxton Rs?

Idle quality, any hesitation between 2000-4000 RPM Estimated fix cost: $150-$300

What causes Rear shock linkage bearing wear on the Triumph Thruxton Rs?

Bounce rear end, listen for clunks over bumps Estimated fix cost: $200-$450

Inspect reservoir and caliper area for fluid residue Estimated fix cost: $100-$250

Inspect header pipes closely for pitting or corrosion Estimated fix cost: $80-$200

Known issues to inspect before buying a used Triumph Thruxton Rs. What to check and how much repairs cost.

MODERATE

Idle quality, any hesitation between 2000-4000 RPM

Fix cost: $150-$300

MODERATE

Bounce rear end, listen for clunks over bumps

Fix cost: $200-$450

SERIOUS

Inspect reservoir and caliper area for fluid residue

Fix cost: $100-$250

MINOR

Inspect header pipes closely for pitting or corrosion

Fix cost: $80-$200

☐Check service history for throttle sync records

☐Test ride at highway speed for surging

☐Inspect chrome headers and exhaust joints closely

☐Bounce rear end hard to check linkage bearings

Generally solid, maintenance-sensitive, avoid neglected examples