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All Bikes/Jawa/350

Jawa 350

Naked

Body

๐Ÿ”ง Service Schedule & Parts

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๐Ÿ“ What's due on yours?
634/638/640 two-stroke twin
Service item Every Typical cost Parts
๐Ÿ›ข๏ธ Engine oil + oil filter 5,000 km / 3,000 mi or 12 mo $15-30 ๐Ÿ›ข๏ธ Buy โ†’   โš™๏ธ Buy โ†’
๐ŸŒฌ๏ธ Air filter 6,000 km / 3,500 mi โ€” ๐ŸŒฌ๏ธ Buy โ†’
โšก Spark plugs 5,000 km / 3,000 mi โ€” โšก Buy โ†’
๐Ÿ”— Chain & sprockets 25,000 km / 15,500 mi (replace) $40-80 ๐Ÿ”— Buy โ†’
๐Ÿ›‘ Brake pads 20000-30000 km $30-60 ๐Ÿ›‘ Buy โ†’
๐Ÿ’ง Brake fluid 24,000 km / 15,000 mi or 2 yr โ€”
๐Ÿ›ž Tires 12000-18000 km $100-180 ๐Ÿ›ž Buy โ†’
๐Ÿ”ฉ Major service 10,000 km / 6,000 mi $150-300
๐Ÿ’ฐ Annual upkeep ~$100-250 ๐Ÿ”ฉ Reliability 6/10 Classic air-cooled two-stroke twin โ€” no valves, gearbox-oil changes only, and the enclosed chain lasts ages

Video Review

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What Buyers Should Know

โš™๏ธ

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.

๐Ÿ”ง

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.

๐Ÿ’ฐ

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 โ€” owned, ridden, recommended.

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Common Problems

๐Ÿ”ฅ 1 CRITICAL
โš ๏ธOil leaks from engine seals and gaskets MODERATE

Look under engine for fresh oil stains or wet seals

Fix cost: $40-$120
โš ๏ธElectrical issues, wiring corrosion and weak charging MODERATE

Test lights, horn, starter and check battery voltage running

Fix cost: $50-$200
๐Ÿ’กCarburetor clogging causing hard starts and rough idle MINOR

Cold start behavior, idle stability, hesitation on throttle

Fix cost: $20-$80
๐Ÿ”ฅWorn gearbox causing missed or crunchy shifts SERIOUS

Ride and cycle through all gears under load

Fix cost: $150-$400

โœ…Pre-Purchase Checklist

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

Decent if maintained, parts availability can be difficult

More Jawa 350 Guides

More from Jawa

View all Jawa models โ†’

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 โ€” 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 โ€” 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 โ€” see motoryk.com/bikes/jawa/350/top10. Each pick is matched to this bike's spec.