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All Bikes/Jawa/350

🔧 Service Schedule & Parts

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📍 What's due on yours?
634/638/640 two-stroke twin
Service item Every Typical cost Parts
🛢️ Engine oil + oil filter 5,000 km / 3,000 mi or 12 mo $15-30 🛢️ Buy →   ⚙️ Buy →
🌬️ Air filter 6,000 km / 3,500 mi 🌬️ Buy →
⚡ Spark plugs 5,000 km / 3,000 mi ⚡ Buy →
🔗 Chain & sprockets 25,000 km / 15,500 mi (replace) $40-80 🔗 Buy →
🛑 Brake pads 20000-30000 km $30-60 🛑 Buy →
💧 Brake fluid 24,000 km / 15,000 mi or 2 yr
🛞 Tires 12000-18000 km $100-180 🛞 Buy →
🔩 Major service 10,000 km / 6,000 mi $150-300
💰 Annual upkeep ~$100-250 🔩 Reliability 6/10 Classic air-cooled two-stroke twin — no valves, gearbox-oil changes only, and the enclosed chain lasts ages

Video Review

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Lo que los compradores deben saber

⚙️

Simple, Serviceable Engine

The Jawa 350's two-stroke engine is mechanically straightforward, making it easy and cheap to maintain or repair even in rural areas. However, two-stroke engines require regular top-end rebuilds, so always check piston and ring wear before buying.

🔧

Watch the Electrics

Older Jawa 350 models are notorious for aging wiring harnesses and weak electrical systems that can cause starting issues and lighting failures. Inspect the wiring condition carefully, as rewiring can be a hidden cost.

💰

Strong Cult Resale Value

The Jawa 350 holds a loyal enthusiast following in Eastern Europe and parts of Asia, keeping resale values surprisingly stable for a vintage bike. A well-preserved example can actually appreciate over time among collectors.

Top 10 Accessories

Curated picks for the Jawa 350 — owned, ridden, recommended.

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Problemas comunes

🔥 1 CRITICAL
⚠️Oil leaks from engine seals and gaskets MODERATE

Look under engine for fresh oil stains or wet seals

Fix cost: $40-$120
⚠️Electrical issues, wiring corrosion and weak charging MODERATE

Test lights, horn, starter and check battery voltage running

Fix cost: $50-$200
💡Carburetor clogging causing hard starts and rough idle MINOR

Cold start behavior, idle stability, hesitation on throttle

Fix cost: $20-$80
🔥Worn gearbox causing missed or crunchy shifts SERIOUS

Ride and cycle through all gears under load

Fix cost: $150-$400

Lista de verificación previa a la compra

Check frame for cracks or weld repairs
Verify all gears engage smoothly while riding
Inspect for oil leaks around engine cases
Test cold start without choke tricks

Decent if maintained, parts availability can be difficult

More Jawa 350 Guides

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Community Reviews

Discussion

Frequently Asked Questions

What are common problems with the Jawa 350? +

Oil leaks from engine seals and gaskets: Look under engine for fresh oil stains or wet seals (moderate) | Electrical issues, wiring corrosion and weak charging: Test lights, horn, starter and check battery voltage running (moderate) | Carburetor clogging causing hard starts and rough idle: Cold start behavior, idle stability, hesitation on throttle (minor)

Is the Jawa 350 good for beginners? +

Not really — the Jawa 350 is better for experienced riders.

Is the Jawa 350 reliable? +

Owners report 1 critical issue to watch for on the Jawa 350, notably: Worn gearbox causing missed or crunchy shifts (Ride and cycle through all gears under load). Buy with a pre-purchase inspection.

Is the Jawa 350 good for daily use? +

Better as a weekend/track bike than a daily — it's a specialist machine.

What gear should I buy for a Jawa 350? +

Motoryk has curated a Top 10 gear list specifically for the Jawa 350, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/jawa/350/top10. Each pick is matched to this bike's spec.