What causes Carb sync and throttle body issues on the Triumph Scrambler 900?

Rough idle, flat spots, uneven throttle response at low RPM Estimated fix cost: $100-$300

What causes Charging system and rectifier failure on the Triumph Scrambler 900?

Battery draining, voltage drop at idle, dim lights Estimated fix cost: $150-$400

Rattling on cold start, disappears when warm Estimated fix cost: $200-$500

Oil residue on lower fork legs, soft front end Estimated fix cost: $100-$250

Known issues to inspect before buying a used Triumph Scrambler 900. What to check and how much repairs cost.

MODERATE

Rough idle, flat spots, uneven throttle response at low RPM

Fix cost: $100-$300

SERIOUS

Battery draining, voltage drop at idle, dim lights

Fix cost: $150-$400

MODERATE

Rattling on cold start, disappears when warm

Fix cost: $200-$500

MINOR

Oil residue on lower fork legs, soft front end

Fix cost: $100-$250

☐Check service history for valve clearance work

☐Test ride cold to hear cam chain noise

☐Inspect frame for crash damage near headers

☐Verify charging voltage above 13.5V at 3000rpm

Solid but needs consistent maintenance, avoid neglected examples