1982 Honda CX500 Turbo
$5,000-12,000 Motorcycle Honda Modern Classic Era

1982 Honda CX500 Turbo

1982-1983

Why this vehicle matters

The CX500 Turbo was Honda proving it could do anything, regardless of whether it should. In 1982, Honda strapped a turbocharger and fuel injection to a 500cc V-twin and created the first turbocharged production motorcycle. It made 82 horsepower from 500cc — remarkable then, still impressive now. The fuel injection was programmed (PGM-FI), predating widespread motorcycle EFI by over a decade. It was a technological showcase that cost too much, weighed too much, and was too complex for the average rider. Kawasaki, Yamaha, and Suzuki all followed with their own turbo bikes. Within two years, every manufacturer abandoned the concept. The turbo experiment taught the industry that displacement was cheaper than boost.

Patina notes

These are rare enough that most survivors are well-maintained rather than patina'd. The bodywork is 1980s angular, and it ages like 1980s design — either you love the aesthetic or you don't. The turbo plumbing adds visual complexity that distinguishes it immediately from the standard CX500. The LCD instruments are a time capsule of early digital cockpit design. Most examples still in existence are collector pieces, not barn finds. If you find one with honest wear from actual riding, that's more interesting than the typical garage-stored example.

Ownership reality

Here's the reality: this is a 40-year-old turbocharged motorcycle with programmed fuel injection from 1982. When it works, it's a revelation. When it doesn't, finding someone who can diagnose the turbo and early EFI systems is a genuine challenge. Parts are scarce — only 5,500 were made worldwide. The CX500 (non-turbo) shares many components and those are plentiful, but the turbo-specific parts (turbocharger, fuel injection, boost control) are getting harder to source. The V-twin engine itself is bulletproof — it's the turbo system that demands respect. This is a motorcycle for someone who enjoys the challenge of keeping rare technology alive, not someone who wants to turn a key and ride.

The verdict

Buy if

You collect technological milestones. You want the first turbocharged production motorcycle ever made. You have the mechanical aptitude (or the specialist connections) to maintain 1982-era turbo and fuel injection systems.

Skip if

You want a reliable daily rider. You're not prepared for scarcity-level parts sourcing. You'd rather spend this money on a bike you'll actually ride instead of troubleshoot.

What to look for

  • Turbocharger condition (check for shaft play, oil smoke at startup)
  • Fuel injection system function (cold start, idle stability, throttle response)
  • Boost gauge operation and accuracy
  • Cooling system integrity (radiator, hoses, water pump)
  • Shaft drive spline condition
  • LCD instrument panel function (replacements are nearly impossible)

Common problems

  • Turbocharger seal failures (oil consumption and smoke)
  • Fuel injection sensor failures (temperature, pressure sensors are 40+ years old)
  • Boost control valve issues
  • Starter clutch failures (shared with standard CX500)
  • Coolant system leaks from aged hoses and O-rings
  • LCD instrument panel failures (irreplaceable)

Parts & community

Parts sources

  • eBay (primary source for turbo-specific parts)
  • CX500 Forum classifieds
  • David Silver Spares (UK — some CX turbo parts)
  • IHI turbo rebuilders (for turbocharger service)
  • Common Motor Collective (standard CX500 parts that cross-reference)

Forums & communities

  • CX500Forum.com (covers all CX variants including turbo)
  • Honda CX/GL Owners Group (Facebook)
  • Reddit r/HondaCB (broader vintage Honda community)
  • Turbo Motorcycle International Owners Association

Sources

Specifications

Engine 497cc liquid-cooled OHV V-twin with IHI turbocharger
Power 82 hp @ 8,000 rpm
Torque 51 lb-ft @ 5,000 rpm
Transmission 5-speed
Drivetrain Shaft
Weight 530 lbs wet
Wheelbase 58.3 inches
Production ~1,800 (US market), ~5,500 worldwide

Notable Features

  • First turbocharged production motorcycle
  • Programmed fuel injection (PGM-FI) — one of the first on any motorcycle
  • Pro-Link single-shock rear suspension
  • LCD instrument panel with turbo boost gauge

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