Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSTRIUMPH1980SPITFIREREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALAUXILIARY EMISSION CONTROL SYSTEMSAIR INJECTION SYSTEM - CARBURETED MODELSTESTINGDIVERTER VALVE

1980 Triumph Spitfire

Diverter Valve

1980 Triumph SpitfireSECTION Diverter Valve

Check for air being dumped on deceleration by disconnecting air outlet pipe at diverter valve. Open and close throttle quickly and check for valve operation.

Fig 1: Triumph Spitfire Air Injection System

Courtesy of NOT AVAILABLE

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.