Jawa 350 Type 354: A Classic Vintage Motorcycle Gem

Jawa 350 Type 354 Jawa 350 Type 354
CategoryDetails
ModelJawa 350 Type 354
Engine TypeTwo-stroke, air-cooled
Number of Cylinders2
Bore x Stroke58 mm x 65 mm
Engine Displacement343 cc
Compression Ratio9:1
Engine OutputAround 23-26 BHP (approx.)
Fuel SystemCarbureted
Carburetor TypeJikov
Fuel Tank CapacityApproximately 16-17 liters
Oil Type2-stroke motorcycle oil
Oil CapacityApprox. 1.5 – 2.0 liters
Transmission4-speed gearbox
Gear RatiosPrimary Drive: 17/38, 18/36, 19/35, 20/34
Overall Gear Ratios1st: 11.78, 2nd: 7.58, 3rd: 5.51, 4th: 4.54
Performance Chart0-60 km/h: approx. 5-6 seconds, Top Speed: 140 km/h (approx.)
Rim SizeFront: 2.75 x 18 inches, Rear: 3.00 x 18 inches
Tyre SizeFront: 3.00 x 18 inches, Rear: 3.25 x 18 inches

Please note that some values, especially gear ratios and performance figures, may vary slightly based on specific models and variations within the Jawa 350 Type 354 series

The Jikov carburetors used in Jawa motorcycles, specifically in the Jawa 350 Type 354, were often the Jikov 2926 type. These carburetors were known for their reliability and compatibility with the two-stroke engines of Jawa bikes during that era. They were designed to efficiently mix air and fuel for combustion, contributing to the bike’s performance and overall reliability.

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Electrical System:

  • Ignition Type: Coil ignition system, commonly employing a contact breaker setup.
  • Voltage: Generally 6 volts (typical for motorcycles of that time).
  • Generator/Charging System: Dynamo-based charging system.
  • Lighting: Utilized incandescent bulbs for headlight, taillight, and indicators.
  • Wiring: Basic wiring harness without complex electronic components.

Ignition:

  • Ignition System: Typically featured a points-based contact breaker ignition system.
  • Spark Plug Type: Utilized standard spark plugs, often one per cylinder.
  • Timing: Fixed ignition timing, set manually or through a mechanical advance mechanism.

These details represent common electrical and ignition configurations found in the Jawa 350 Type 354 during its production. Specific setups might vary due to modifications, maintenance, or regional specifications.

Pros of Jawa 350 Type 354:

  1. Powerful Engine: Features a robust two-stroke engine delivering substantial torque and power.
  2. Classic Design: Boasts a vintage aesthetic, appealing to enthusiasts of retro motorcycles.
  3. Reliable Performance: Known for its dependable performance on various terrains.
  4. Maneuverability: Nimble handling makes it suitable for both city commuting and leisure rides.
  5. Heritage Value: Carries the legacy of Jawa motorcycles, appealing to collectors and classic bike enthusiasts.

Cons of Jawa 350 Type 354:

  1. Maintenance Intensive: Being a vintage model, it might require frequent upkeep and part replacements.
  2. Limited Modern Features: Lacks contemporary amenities and technological advancements.
  3. Availability of Parts: Some components may be challenging to find due to age and rarity.

Difference Between Jawa 350 Type 354 and Other 350 Models:

The primary differences between the Jawa 350 Type 354 and other 350 models might lie in subtle variations in engine specifications, design elements, or specific features. Often, these differences could include adjustments in carburetion, slight engine optimizations, or modifications in gear ratios. However, these variations might not significantly alter the overall riding experience, maintaining the quintessential Jawa essence across 350 series models.

The Jawa 350 Type 354 had varying production spans based on iterations and updates made over time. However, a general outline of manufacturing durations for the Jawa 350 series, including different models and iterations, spans approximately from the late 1954 to the late 1990s. This encompasses several years of production, marking a significant legacy for the Jawa 350 series motorcycles.

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