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2014 Kawasaki EX300-B Overview, Reviews, Ratings & Specs

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Jovan | September 29, 2025
The 2014 Kawasaki EX300-B, better known as the Ninja 300 ABS, emerged as a highly popular entry-level sportbike. Succeeding the venerable Ninja 250R, it offered a more potent 296cc parallel-twin engine, improved styling, and optional ABS. Produced from 2013-2017, key trims included the standard EX300-A and the ABS-equipped EX300-B. New pricing ranged from approximately $5,299 to $5,799 USD. Its sharp "big bike" looks, engaging yet manageable performance, and beginner-friendly nature made it a standout choice for new riders and commuters alike.
The Good

The 2014 Kawasaki EX300-B boasts a lively 296cc parallel-twin engine, offering engaging performance for spirited rides. Its renowned Kawasaki reliability ensures peace of mind. Practical buyers appreciate its excellent fuel efficiency, economical ownership costs, and relatively comfortable ergonomics for daily commuting. Emotionally, its aggressive, big-bike design, nimble handling, and the added safety of ABS make it a thrilling and confidence-inspiring machine.

The Bad

Known weaknesses for the 2014 Kawasaki EX300-B include its often-criticized OEM tires, which many riders quickly upgrade. The rear suspension, while adjustable, can be basic for aggressive riding. Some taller riders might find it a bit cramped, and while excellent for its class, it may lack top-end power for sustained high-speed highway cruising compared to larger displacement bikes. Minor fairing rattles can develop over time.

2014 Kawasaki EX300-B: Quick Overview

  • Engine: Liquid-cooled, DOHC, 8-valve, 296cc parallel-twin.
  • Bore x Stroke: 62.0 x 49.0 mm.
  • Compression Ratio: 10.6:1.
  • Fuel System: DFI ® with dual 32mm throttle bodies.
  • Ignition: TCBI with digital advance.
  • Horsepower: Approximately 39 hp at 11,000 rpm.
  • Torque: Approximately 20 lb-ft at 10,000 rpm.
  • Transmission: 6-speed.
  • Final Drive: Sealed chain.
  • Frame Type: Semi-double cradle, high-tensile steel.
  • Front Suspension: 37mm hydraulic telescopic fork, 4.7 inches travel.
  • Rear Suspension: Uni-Trak ® with 5-way adjustable preload, 5.2 inches travel.
  • Front Tire: 110/70-17.
  • Rear Tire: 140/70-17.
  • Front Brake: Single 290mm petal-style disc with 2-piston hydraulic caliper.
  • Rear Brake: Single 220mm petal-style disc with 2-piston hydraulic caliper.
  • Fuel Capacity: 4.5 gallons (17 liters).
  • Fuel Economy: Estimated 60-70 MPG (varies with riding style).
  • 0-60 mph: Approximately 5.6-6.0 seconds.
  • Top Speed: Around 105-110 mph.
  • Curb Weight: 383.7 lbs (ABS model).
  • Towing Capacity: Not applicable for motorcycles.
  • Trim-Level Features:
    • EX300-A (Standard): Base model with conventional braking.
    • EX300-B (ABS): This specific model features Kawasaki's Anti-lock Brake System for enhanced safety, preventing wheel lock-up during hard braking.
    • Special Edition (SE): Often included unique color schemes, graphics, and sometimes minor aesthetic upgrades like rim tape or a tinted windscreen, without performance changes.
    • Assist & Slipper Clutch: A significant feature across all trims, providing a lighter clutch lever pull and reducing rear-wheel hop during aggressive downshifts, greatly benefiting rider control and comfort.
    • Digital Instrument Panel: Includes a digital speedometer, odometer, dual trip meters, fuel gauge, clock, and an "ECO" indicator for fuel-efficient riding, complemented by an analog tachometer.

2014 Kawasaki EX300-B Specifications

Vehicle Information
Year 2014
Make Kawasaki
Model EX300-B
Trim -
Style -
Type Motorcycle
Category Motorcycle
Manufacturing Details
Made In Japan
Manufacturing City AMPHUR PLUAK DAENG
Dimensions
Doors -
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 296CC
Engine Size 296L
Engine Cylinders 2
Transmission -
Transmission Type -
Transmission Speeds -
Drivetrain -
Additional Features
Anti-Brake System Standard
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

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What Problems Does the 2014 Kawasaki EX300-B Have?

The 2014 Kawasaki EX300-B is generally lauded for its robust reliability, characteristic of Kawasaki's small displacement sportbikes. However, a few minor issues and recalls have been noted.

Frequently Reported Problems:
  • OEM Tires: The factory-fitted IRC Road Winner tires are commonly criticized for their limited grip, especially in wet conditions, leading many owners to replace them quickly.
  • Stator/Rectifier Regulator: While not a widespread epidemic, a very small number of owners, particularly from early model years, have reported issues with the stator or rectifier/regulator leading to battery drain or charging problems. This is worth inspecting on older, high-mileage examples.
  • Fuel Pump Issues: Isolated reports exist of fuel pump failures, causing stalling or starting difficulties. This remains a relatively rare occurrence.
  • Fairing Rattles: Over time and mileage, some owners note minor fairing rattles, often resolved by tightening bolts or adding rubber grommets.
  • Vibrations: As a parallel-twin, some mild, high-frequency vibrations are inherent, especially at higher RPMs, though most riders find it acceptable.

Recalls:
For 2013-2015 Ninja 300 models, including the 2014 EX300-B, there were two notable recalls:
  • NHTSA Campaign Number: 14V342000 (Engine Crankshaft Position Sensor): This significant recall addressed a manufacturing defect in the crankshaft position sensor, which could cause the engine to stall unexpectedly, increasing crash risk. It's crucial for any potential buyer of a used 2014 model to verify that this recall service has been completed.
  • NHTSA Campaign Number: 14V083000 (Rear Brake Pedal Position): Affecting certain 2013-2014 models, this recall involved the rear brake pedal potentially being set too high, leading to unintended dragging of the rear brake. This was a straightforward adjustment at dealerships.

Long-Term Reliability Concerns: Overall, the Ninja 300 is a highly durable machine. Its liquid-cooled parallel-twin engine is known for longevity with proper, routine maintenance (oil changes, valve adjustments, cooling system flushes). Long-term issues are generally limited to typical wear items and the potential for cosmetic degradation if not well-cared for. Verifying recall completion and a history of diligent maintenance are the best ways to ensure long-term reliability.

How long will the 2014 Kawasaki EX300-B last?

The 2014 Kawasaki EX300-B exhibits excellent long-term durability. With consistent, proper maintenance – including regular oil changes, chain adjustments, and scheduled valve checks – these motorcycles can easily achieve 50,000 to 70,000 miles or more. Many owners report years of trouble-free service, often exceeding 8-10 years of active use. The parallel-twin engine is remarkably robust.

Long-term weaknesses are generally minor and typical of any motorcycle: original equipment suspension components (fork seals, shock damping) can degrade over high mileage, especially with aggressive riding or poor road conditions. Cosmetic wear like fairing scratches, faded plastics from sun exposure, or minor rust on fasteners can appear. Electrical connections can also corrode over time if not protected. However, fundamental components like the engine, transmission, and frame are built to last, making the EX300-B a strong performer for extended ownership periods with diligent care.

What Technology & Safety Features are Included?

The 2014 Kawasaki EX300-B, while a relatively basic sportbike in terms of high-tech gadgetry, features essential and practical built-in technology, driver-assistance, and safety enhancements.

Built-in Tech & Dashboard:
The instrument cluster is a functional blend of old and new. An analog tachometer, prominently placed, provides clear engine RPM readings, appealing to traditional sportbike enthusiasts. Adjacent to it, a multi-function digital LCD display presents vital information including a large digital speedometer, odometer, dual trip meters, a fuel gauge, and a clock. Indicator lights for various functions (turn signals, high beam, neutral, low oil pressure, check engine) are also present. A thoughtful addition is the "ECO" riding indicator, which illuminates when the rider is operating the bike in a fuel-efficient manner, subtly encouraging economical riding habits.

Entertainment Features:
As a focused sportbike, the Ninja 300 does not offer integrated entertainment systems like stereos. The primary 'entertainment' is derived from the engaging riding experience and the parallel-twin engine's note. Riders typically use aftermarket helmet communication systems for audio or navigation needs.

Driver-Assistance & Safety Features:
  • Anti-lock Brake System (ABS): This is the defining safety feature for the EX300-B model. ABS is a crucial driver-assistance system that prevents the wheels from locking up under hard braking, allowing the rider to maintain steering control, especially on slippery or uneven surfaces. This significantly enhances safety in emergency braking situations.
  • Assist & Slipper Clutch: This advanced clutch mechanism serves two key functions. The "assist" feature provides a remarkably light clutch lever pull, reducing rider fatigue, particularly in heavy traffic. The "slipper" function automatically partially disengages the clutch when there's excessive back-torque from aggressive downshifts, preventing the rear wheel from hopping or locking up, thereby improving stability and control. This is a significant safety and performance benefit, especially for new riders.
  • Lightweight Chassis: The high-tensile steel frame is engineered to provide a responsive yet stable handling experience, contributing to overall rider confidence and safety.
  • Dual Headlights: Offer improved visibility for the rider at night and enhance the motorcycle's visibility to other road users during the day and night.

Optional Features:
Beyond the choice of ABS (which defines the 'B' model), Kawasaki offered a range of genuine accessories such as frame sliders for crash protection, tank pads, taller windscreens, and seat cowls, which allowed owners to customize their bikes for protection, ergonomics, or aesthetics.

Crash-Test Ratings:
Unlike automobiles, motorcycles are not subjected to official crash-test ratings by organizations like NHTSA or IIHS. Motorcycle safety evaluations typically focus on effective braking performance, handling characteristics, and the integration of safety technologies like ABS. The EX300-B's inclusion of ABS is a notable safety advantage within its class.

What Colors Options are Available?

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2014 Kawasaki EX300-B Prices and Market Value

When new in 2014, the Kawasaki Ninja 300 (EX300-A) was priced around $4,999 - $5,299 USD, while the EX300-B with ABS commanded approximately $5,499 - $5,799 USD. Special Edition models added a small premium.

Currently, in the used market (late 2023 / early 2024), a 2014 Kawasaki EX300-B typically ranges from $2,500 to $4,000 USD. Prices vary based on condition, mileage, maintenance history, and local demand.

**Depreciation Insights:** The Ninja 300, like most entry-level motorcycles, experiences its steepest depreciation in its first few years. However, its strong demand as a beginner bike, coupled with its reputation for reliability and economical ownership, helps it retain value remarkably well compared to many larger, more expensive motorcycles. After the initial drop, depreciation tends to stabilize, making it an excellent used value proposition.

**Factors Affecting Resale Value:** Key factors include overall cosmetic and mechanical condition, documented maintenance records, low mileage, the presence of ABS, and tasteful modifications. Recalls, such as the crankshaft sensor recall, must have been addressed to maintain full resale value. Fresh consumables (tires, chain) also enhance market appeal.

2014 Kawasaki EX300-B Cost of Ownership

The 2014 Kawasaki EX300-B is an **economical vehicle to own**.

Insurance: Premiums are generally very low compared to larger sportbikes, making it attractive for new riders.
Fuel: Its 296cc engine offers excellent fuel economy, typically 60-70 MPG on regular unleaded gasoline, making daily commutes very affordable.
Maintenance: Routine service (oil changes, chain care) is straightforward and budget-friendly. Scheduled valve adjustments are required but not excessively frequent. Parts are readily available and reasonably priced.
Repairs: Known for its reliability, major repairs are uncommon. When issues arise, parts and labor costs are usually modest.

Its low purchase price, superb fuel efficiency, manageable insurance, and simple maintenance collectively contribute to very low long-term ownership costs.

2014 Kawasaki EX300-B Fuel Efficiency

Fuel Type -
Fuel Capacity -
City Mileage -
Highway Mileage -

2014 Kawasaki EX300-B Warranty

Basic
Original warranty 0 months / No data
Estimated remaining Expired
Powertrain
Original warranty 0 months / No data
Estimated remaining Expired
Rust
Original warranty 0 months / No data
Estimated remaining Expired

2014 Kawasaki EX300-B Insurance

Insurance for a 2014 Kawasaki EX300-B is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.

How Does the 2014 Kawasaki EX300-B Compare to Other Motorcycle?

The 2014 Kawasaki EX300-B (Ninja 300 ABS) faced stiff competition in the entry-level sportbike segment.

Key Rivals:
  • Honda CBR250R / CBR300R:
    • Performance: The Ninja 300's parallel-twin offered a significant power advantage over the CBR250R's single-cylinder and a slightly more exciting, higher-revving experience than the later CBR300R.
    • Features: Both offered ABS. The Ninja's slipper clutch was a distinct advantage for rider comfort and safety.
    • Reliability: Both are exceptionally reliable Japanese machines, though Honda often has a slight edge in perceived bulletproof durability.
    • Price: Very competitive when new, and hold their value well on the used market.
  • KTM RC390 (2015+):
    • Performance: The RC390, with its larger 373cc single, offers more torque and a punchier mid-range than the Ninja, feeling quicker initially. However, the Ninja's twin is smoother at high RPMs.
    • Features: The RC390 typically came with higher-spec components (inverted forks, radial brakes). Both offered ABS.
    • Reliability: KTMs, particularly early models, had some reports of minor quality control issues, though the RC390 generally proved reliable.
    • Price: Often slightly more expensive new and used.
  • Yamaha YZF-R3 (2015+):
    • Performance: The R3 was a direct rival, and its 321cc parallel-twin often felt slightly more powerful and revvier than the Ninja 300, especially at higher speeds.
    • Features: Similar features; the R3 initially lacked a slipper clutch, where the Ninja had an edge. Both offered ABS.
    • Reliability: Yamaha's reputation for reliability is on par with Kawasaki.
    • Price: Very competitive new and used.

Recommendation & Alternatives:
The 2014 Kawasaki EX300-B remains an excellent choice for new riders due to its balanced performance, superb reliability, and ABS safety. For those seeking alternatives:
  • Better (Modern) Alternatives: If budget allows for a slightly newer used bike, the **Kawasaki Ninja 400 (2018+)** is arguably the best direct successor, offering significantly more power, lighter weight, and modern refinements. The **Yamaha YZF-R3 (2015+)** is also a strong contender, often feeling a bit more potent than the 300.
  • Similar Alternatives: The **Honda CBR300R** offers comparable reliability and ease of use, albeit with less inspiring performance.

Overall, the EX300-B is still a highly recommended used purchase for its blend of value, reliability, and engaging ride quality, especially with its ABS feature.

Final Verdict: Is the 2014 Kawasaki EX300-B a Good Motorcycle?

The 2014 Kawasaki EX300-B (Ninja 300 ABS) is an outstanding choice, ideal for **new riders** seeking a forgiving yet engaging first sportbike, **commuters** valuing economy and agility, or even **experienced riders** who appreciate a lightweight, fun machine for urban environments or twisty roads. Its manageable power delivery, nimble handling, and relatively comfortable ergonomics contribute to a confidence-inspiring ride.

It is **definitely worth buying** in the used market. As a 2014 model, it represents excellent value, combining Kawasaki's proven reliability with a spirited 296cc engine and sharp styling.

When considering a purchase, prioritize the **EX300-B (ABS model)** for its crucial safety enhancement. Look for examples with a well-documented maintenance history, a clean title, and verification that any applicable recalls (especially the crankshaft sensor) have been addressed. Avoiding bikes with significant cosmetic damage or signs of neglect will ensure a rewarding ownership experience. It's a fantastic, economical entry point into sportbike riding.

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Jovan

Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.