What is the engine displacement of the 1983 Honda CB 650 RC (reduced effect)?

The 1983 Honda CB 650 RC (reduced effect) has an engine displacement of 627.0 ccm (38.26 cubic inches).

What is the top speed of the 1983 Honda CB 650 RC (reduced effect)?

The 1983 Honda CB 650 RC (reduced effect) has a top speed of 175.0 km/h (108.7 mph).

1983 Honda CB 650 RC (reduced effect) Price, Specs, Review

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Review

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The 1983 Honda CB650 RC (reduced effect) represents a classic era of motorcycling. Its 627cc engine delivers adequate performance for the time, pushing the bike to a top speed of 175.0 km/h. This model, designed with a 'reduced effect' configuration, likely aimed for improved fuel efficiency or emissions compliance, reflecting the priorities of the early 1980s. The CB650 RC features a 5-speed gearbox, typical for motorcycles of its age. The fuel tank holds 14.0 liters, providing a reasonable range for daily commutes and shorter trips. Dual front disc brakes were a notable feature for the period, offering enhanced stopping power compared to single-disc setups. This motorcycle would appeal to riders who appreciate vintage machines and their simpler, more mechanical nature. It's suitable for those looking for a classic project bike or a nostalgic ride that offers a glimpse into motorcycling history. The CB650 RC represents a piece of Honda's legacy, showcasing the engineering and design trends of its time.

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Pros (Advantages)

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✅ Why buy this bike?

• Reliable Honda engineering ensures longevity and fewer major mechanical issues for a vintage machine. • Smooth inline-four engine provides a refined riding experience with adequate power for its era. • Comfortable upright riding position makes it suitable for longer journeys and daily commuting. • Classic UJM styling remains timeless, appealing to collectors and those seeking a vintage aesthetic. • Good parts availability for a vintage bike, thanks to Honda's large production numbers. • Easy to maintain for a mechanically inclined owner, with straightforward systems and design.

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Cons (Disadvantages)

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⚠️ Things to consider

• Reduced effect (RC) limits power significantly compared to the full-fat model, impacting performance. • Suspension and braking technology are dated, offering less performance and feel than modern bikes. • Carburetor synchronization and tuning can be finicky, requiring regular attention for optimal running. • Heavy for its displacement, affecting agility and making low-speed maneuvers more challenging. • Fuel economy might not be as good as modern bikes due to carbureted fueling and older engine design.

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License Class (EU)

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Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.

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Fuel Economy & Running Costs

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Estimated average for 627cc class: 35-50 mpg (5.0-7.0 L/100km)

⛽ Tank: 14.00 litres (3.70 US gallons)

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Insurance Class

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