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Yamaha XS 400 DOHC (reduced effect)
1986
1986
The 1986 Yamaha XS 400 DOHC (reduced effect) arrived as a refined offering in the competitive 400cc class, a segment popular for its balance of accessibility and capability. This particular variant, often referred to as the "reduced effect" model, was a common sight in markets where licensing tiers restricted riders to lower power outputs. It built upon the established XS lineage, known for its reliable twin-cylinder engines, and faced direct competition from models like the Honda CB400N and the Kawasaki GPZ 305, both aiming for a similar rider demographic.
At its heart, the XS 400 DOHC featured a 399.0 ccm (24.35 cubic inches) twin, four-stroke engine. This powerplant, despite its reduced effect tuning, produced a respectable 27.0 HP (19.7 kW) at 8000 RPM. This power output allowed the motorcycle to reach a top speed of 143.0 km/h (88.9 mph), making it capable of highway speeds while remaining manageable for newer riders. Fuel capacity stood at a generous 18.00 litres (4.76 US gallons), offering a decent range for touring or daily commutes without frequent stops. The DOHC configuration hinted at a more modern design, aiming for efficiency and smooth power delivery.
Riding characteristics of the XS 400 DOHC were generally praised for their predictability and ease of use. Its upright stance provided a comfortable riding position, suitable for longer durations in the saddle, distinguishing it from more aggressive sport-oriented machines of the era. The suspension setup, while not cutting-edge, provided adequate damping for varied road conditions, contributing to a stable and confidence-inspiring ride. Handling was neutral, making it an accessible machine for those transitioning from smaller motorcycles or returning to riding after a hiatus.
The 1986 Yamaha XS 400 DOHC (reduced effect) was primarily aimed at new riders, commuters, and those seeking an economical yet capable mid-sized motorcycle. Its restricted power output made it an ideal choice for markets with tiered licensing, offering a full-sized motorcycle experience within legal limitations. For its intended audience, it represented a sensible and reliable choice, providing dependable performance and comfortable ergonomics without unnecessary frills. It was a utilitarian workhorse, well-suited for everyday use and light touring.
✅ Why buy this bike?
• Lightweight and nimble chassis makes it excellent for urban commuting and tight turns. • Reliable DOHC engine, even with reduced effect, offers decent longevity and fewer breakdowns. • Excellent fuel economy for its era, making it a cost-effective daily rider. • Comfortable upright riding position suitable for longer commutes without excessive fatigue. • Good entry-level or re-entry motorcycle, forgiving and easy to handle for less experienced riders. • Easy to maintain with readily available parts due to its popularity and simplicity.⚠️ Things to consider
• Reduced effect engine limits top-end power, making highway cruising at speed less exhilarating. • Basic suspension and braking components offer limited performance compared to more modern bikes. • Vibrations become noticeable at higher RPMs, potentially fatiguing on extended rides. • Outdated styling may not appeal to riders seeking a more contemporary aesthetic. • Finding specific cosmetic parts in good condition can be challenging due to its age.The Yamaha XS 400 DOHC (reduced effect) produces 27 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.
Estimated average for 399cc class: 45-60 mpg (4.0-5.5 L/100km)
⛽ Tank: 18.00 litres (4.76 US gallons)
Insurance grouping for Yamaha XS 400 DOHC (reduced effect) (399cc):
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