What is the engine displacement of the 2011 AJS NAC12 125?

The 2011 AJS NAC12 125 has an engine displacement of 124.00 ccm (7.57 cubic inches).

How much horsepower does the 2011 AJS NAC12 125 have?

The 2011 AJS NAC12 125 produces 11.39 HP (8.3 kW)) @ 10500 RPM of power.

How much does the 2011 AJS NAC12 125 weigh?

The 2011 AJS NAC12 125 has a dry weight of 153.0 kg (337.3 pounds).

What is the seat height of the 2011 AJS NAC12 125?

The 2011 AJS NAC12 125 has a seat height of 770 mm (30.3 inches) If adjustable, lowest setting..

2011 AJS NAC12 125 Price, Specs, Review

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Review

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The 2011 AJS NAC12 125 entered the competitive 125cc sportbike market, aiming to capture riders seeking an entry-level machine with a sporty aesthetic. As part of AJS's lineage, which has historically offered accessible motorcycles, the NAC12 125 positioned itself against popular contenders like the Honda CBR125R and the Yamaha YZF-R125. This model was designed to offer a taste of sportbike riding to new license holders and those looking for an economical yet engaging commuter with a racy appearance.

At the heart of the NAC12 125 was a 124.00 ccm (7.57 cubic inches) engine. This powerplant produced 11.39 HP (8.3 kW) at a high 10500 RPM, indicating a need to rev the engine to extract its full potential. Weighing in at 153.0 kg (337.3 pounds), the bike was on the heavier side for a 125cc sportbike, which could influence its agility. Fuel capacity was generous at 18.00 litres (4.76 gallons), promising a decent range between fill-ups. These specifications point to a motorcycle built for reliable, if not blistering, performance within its class.

Riding characteristics of the AJS NAC12 125 leaned towards its "Sport" category designation. The 770 mm (30.3 inches) seat height, if adjustable, would likely be its lowest setting, making it accessible for a wide range of riders. While not offering aggressive track-focused ergonomics found on higher-tier sportbikes, the NAC12 would likely feature a slightly forward-leaning posture and possibly rearset pegs, encouraging a more engaged riding position than a standard commuter. The weight distribution and chassis setup would aim for stable handling, suitable for learning the nuances of sportbike control.

The AJS NAC12 125 was primarily aimed at new riders, commuters seeking a stylish alternative, and those on a budget who still desired the look and feel of a sport motorcycle. Its accessible power output and manageable dimensions made it a practical choice for daily use, while its sporty styling provided an element of excitement. The generous fuel tank capacity also made it a viable option for longer journeys within its performance envelope. Overall, the NAC12 125 provided a functional and visually appealing option in the entry-level sportbike segment for its time.

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Pros (Advantages)

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✅ Why buy this bike?

The AJS NAC12 125 2011 is a lightweight and nimble motorcycle, making it easy to maneuver through traffic and tight spaces.
It has a stylish and sporty design, appealing to riders looking for a modern and eye-catching bike.
The 125cc engine provides a good balance of power and fuel efficiency, making it suitable for daily commuting and short trips.
The AJS brand is known for producing reliable and durable motorcycles, giving riders peace of mind when it comes to maintenance and longevity.
The NAC12 125 offers a comfortable riding position and smooth handling, making it a great choice for beginner riders or those looking for a fun and easy-to-ride bike.

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Cons (Disadvantages)

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⚠️ Things to consider

Limited performance: The AJS NAC12 125 2011 has a relatively low top speed and acceleration compared to other motorcycles in its class.
Outdated technology: The 2011 model may lack some of the modern features and advancements found in newer motorcycles.
Uncomfortable ride: Some riders may find the seating position and suspension of the NAC12 125 to be uncomfortable on longer rides.
Limited aftermarket support: Due to its less common brand and model, finding aftermarket parts and accessories for the NAC12 125 may be more challenging.
Resale value: AJS motorcycles generally have lower resale value compared to more established brands, which could be a consideration for some buyers.

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Alternatives

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⚖️ Comparison & Competition

Honda CB125R
The Honda CB125R offers a sporty and modern design, reliable performance, and agile handling, making it a popular choice for riders looking for a stylish and versatile motorcycle in the 125cc category.
Yamaha YZF-R125
The Yamaha YZF-R125 is a sleek and sporty option with a focus on performance, featuring a high-revving engine, advanced technology, and a race-inspired design that appeals to riders seeking a dynamic riding experience.
KTM Duke 125
The KTM Duke 125 stands out with its distinctive naked bike styling, sharp handling, and punchy performance, making it a great option for riders who prioritize agility and responsiveness in their motorcycle.
Suzuki GSX-S125
The Suzuki GSX-S125 offers a combination of sporty design, comfortable ergonomics, and smooth power delivery, making it a versatile choice for riders looking for a balance of performance and everyday usability.
Kawasaki Z125
The Kawasaki Z125 is a compact and nimble motorcycle with a streetfighter-inspired design, peppy engine, and responsive handling, catering to riders who seek a fun and easy-to-ride bike for urban commuting and weekend rides

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License Class (EU)

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The AJS NAC12 125, with its 124 cc engine and 11 HP, qualifies for an A1 license. Riders 16+ can ride it.

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Fuel Economy & Running Costs

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Estimated average for 124cc class: 75-100 mpg (2.5-3.5 L/100km)

⛽ Tank: 18.00 litres (4.76 gallons)

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Insurance Class

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Insurance grouping for AJS NAC12 125 (124cc):

📋 Group 1-5 — entry-level, lowest premiums

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Insurance Calculator (UK est.)

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Personalised premium estimate for the AJS NAC12 125 (UK rates):

💡 Estimate based on UK market averages. For real quotes, compare on Compare the Market, MoneySuperMarket, GoCompare.

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Price Estimate

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Estimated price range for the AJS NAC12 125 based on comparable motorcycles:

AVERAGE

$4,745

📊 Category-based (195 motorcycles) · Approximate (USD)

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Buy New & Used

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Find new and used AJS NAC12 125 2011 listings:

🛒 eBay Motors 🏍️ Cycle Trader 🇬🇧 Auto Trader UK 🔍 Google Listings

💡 Third-party listings. MotoBike Info is informational only.

👤 Final premium varies by rider age, history, location.

AJS NAC12 125

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