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All Bikes/Kawasaki/Z650S
Kawasaki Z650S
Naked

Kawasaki Z650S

The Kawasaki Z650S is a naked, produces 67 bhp and weighs 190 kg.

67 bhp

Pouvoir

47.2 ft-lb

Torque

190 kg

Poids

Nue

Corps

🔧 Service Schedule & Parts

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📍 What's due on yours?
Z650 platform, S variant (2025-)
Service item Every Typical cost Parts
🛢️ Engine oil + oil filter 12,000 km / 7,500 mi or 12 mo $50-90 🛢️ Buy →   ⚙️ Buy →
🌬️ Air filter 18,000 km / 11,000 mi — 🌬️ Buy →
⚡ Spark plugs 12,000 km / 7,500 mi — ⚡ Buy →
🔧 Valve clearance check 42,000 km / 26,000 mi $250-450
🔗 Chain & sprockets 25000-35000 km (replace) $110-180 🔗 Buy →
🛑 Brake pads 15000-25000 km $60-110 🛑 Buy →
💧 Brake fluid 24,000 km / 15,000 mi or 2 yr —
🧊 Coolant 36,000 km / 22,500 mi —
🛞 Tires 8000-14000 km $250-380 🛞 Buy →
🔩 Major service 42,000 km / 26,000 mi $400-600
💰 Annual upkeep ~$250-450 🔩 Reliability 9/10 649cc twin with long Kawasaki intervals; one of the cheapest middleweights to own

Video Review

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Ce que les acheteurs doivent savoir

💪

Sugomi Styling Upgrade

The Z650 S features sharper Kawasaki Sugomi styling with a LED tri-lamp front end and large side cowlings that give it a genuine big-bike air, aligning it more closely with the four-cylinder Z900.

🏍️

Tweaked Riding Position

The Z650 S's bars are 40mm further forward, 10mm higher and 30mm wider than the standard Z650, with slightly more rear-set footpegs for a sportier yet comfortable stance.

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Performance Edition Available

Kawasaki offers a Performance Edition Z650 S at £8599, which includes a road-legal Akrapovič titanium exhaust system and a Kawasaki Quick Shifter for clutchless upshifts.

Top 10 Accessories

Curated picks for the Kawasaki Z650S — owned, ridden, recommended.

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Problèmes courants

🔥 1 CRITICAL
⚠️Cam chain tensioner wear causing rattle MODERATE

Cold start noise, metallic rattling from engine top end

Fix cost: $150-$300
⚠️Carb jets clogged from ethanol fuel damage MODERATE

Rough idle, hesitation, hard starting after storage

Fix cost: $80-$200
💡Fork seal leaks on higher mileage units MINOR

Oil weeping around fork tubes above dust seals

Fix cost: $100-$250
🔥Rectifier regulator failure causing charging issues SERIOUS

Battery drain, voltage above 15V or below 13V running

Fix cost: $80-$180

✅Liste de contrôle préalable à l'achat

☐Cold start and listen for top-end rattle
☐Check fork tubes for oil residue staining
☐Test charging voltage with multimeter
☐Inspect carbs for varnish and fuel leaks

Solid older bike, maintenance history matters most

Full Specifications

Engine Power 67 bhp
Torque 47.2 ft-lb
Weight 190 kg (419 lbs)
Type Naked
Fairing No Fairing (Naked)

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Community Reviews

Discussion

Frequently Asked Questions

What are common problems with the Kawasaki Z650S? +

Cam chain tensioner wear causing rattle: Cold start noise, metallic rattling from engine top end (moderate) | Carb jets clogged from ethanol fuel damage: Rough idle, hesitation, hard starting after storage (moderate) | Fork seal leaks on higher mileage units: Oil weeping around fork tubes above dust seals (minor)

What is the horsepower of the Kawasaki Z650S? +

The Kawasaki Z650S produces 67 bhp, with 47.2 ft-lb of torque.

Is the Kawasaki Z650S good for beginners? +

Yes — the Kawasaki Z650S is a reasonable choice for new riders (67 hp is manageable), weighing 190 kg.

Is the Kawasaki Z650S reliable? +

Owners report 1 critical issue to watch for on the Kawasaki Z650S, notably: Rectifier regulator failure causing charging issues (Battery drain, voltage above 15V or below 13V running). Buy with a pre-purchase inspection.

Is the Kawasaki Z650S good for daily use? +

Suited for daily naked use.

What is the seat height of the Kawasaki Z650S? +

The Kawasaki Z650S has a seat height of 805mm (31.7 in). Most riders 170 cm+ will sit comfortably flat-footed.

What gear should I buy for a Kawasaki Z650S? +

Motoryk has curated a Top 10 gear list specifically for the Kawasaki Z650S, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/kawasaki/z650s/top10. Each pick is matched to this bike's spec.