Kawasaki KLX 250 S [2006-2007] Review: The Approachable Trail Companion

Introduction

The Kawasaki KLX 250 S stands as a testament to the "less is more" philosophy in motorcycling. Designed for riders who crave simplicity without sacrificing capability, this 2006-2007 generation model bridges the gap between entry-level trail bikes and hardcore enduro machines. Over two days of riding through rocky singletrack, fire roads, and even suburban streets, I discovered why this unassuming green machine has quietly earned its place as a cult favorite among dual-sport enthusiasts. Let’s dissect what makes this KLX tick – and why it might just be the most practical motorcycle you’ve never considered.

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Design & Ergonomics

Kawasaki nailed the proportions with the KLX 250 S. The steel perimeter frame feels bombproof without looking bulky, while the 883mm (34.8") seat height strikes a perfect balance between ground reach and clearance. Even at 5'8", I could flat-foot the bike comfortably – a rarity in the dual-sport world. The Lime Green livery (the only color option) pops against muddy trails, though you’ll want to add frame guards unless you enjoy polishing scrape marks.

The cockpit area shows its budget roots but in the best possible way. Analog speedometer and odometer are basic but legible, while the rubber-mounted indicators survived multiple tip-overs without snapping. That steel rear rack isn’t just for show – it easily handled a 10kg tail bag during my grocery run test. My only ergonomic gripe? The infamous choke placement. Locating it requires Olympic-level flexibility under the fuel tank – pack a mechanic’s mirror in your toolkit.

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Engine Performance

At face value, the 249cc liquid-cooled DOHC single looks underwhelming on paper:
- 27 hp @ 8,500 rpm
- 18.5 lb-ft (2.6 kgf-m) @ 7,500 rpm
- 6-speed transmission

But context is everything. This isn’t a motocross engine – it’s a tractor. Below 4,000 rpm, the Keihin CVK34 carburetor delivers smooth, predictable power perfect for picking through technical terrain. The midrange wakes up around 6,000 rpm, letting you maintain 90 km/h (56 mph) on paved straights without vibration numbness. Keep expectations realistic – overtaking requires planning, and steep highway inclines will have you downshifting to 5th.

The real magic happens after basic mods (more in Maintenance section):
1. Removing the airbox snorkel
2. Deleting the exhaust spark arrestor
3. +3 teeth on the rear sprocket

These $50 tweaks unleash an extra 7 hp and transform the power delivery. Suddenly, the front wheel lifts effortlessly over logs, and hill climbs become manageable rather than clutch-burning ordeals.

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On-Road Manners

Don’t let the knobby tires fool you – the KLX 250 S handles asphalt better than most dual-sports. The 1435mm (56.5") wheelbase and 25.5° rake make for quick steering that dodges potholes like a supermoto. At 135kg (297.7 lbs) wet, it flicks through traffic with bicycle-like ease.

The 80/100-21 front and 100/100-18 IRC tires hum pleasantly below 80 km/h (50 mph), though sustained highway riding above 100 km/h (62 mph) feels buzzy. Fuel economy shines here – I averaged 30 km/l (70 mpg) during mixed commuting. Just mind the 7.2L (1.9 gal) tank; 200km (124 mi) between refuels is your hard limit.

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Off-Road Dominance

This is where the KLX’s suspension deserves a standing ovation. The 43mm inverted fork and Uni-Trak rear shock offer 285mm (11.2") and 280mm (11") of travel respectively – numbers that rival modern enduro bikes. Dialing in the 16-way compression damping transformed rocky descents into plush magic carpet rides.

During a brutal hill climb session, the chassis balance stood out. The 295mm (11.6") ground clearance glided over baby-head rocks, while the low CG prevented scary tip-overs. Even after casing a jump (oops), the steel frame shrugged it off without alignment issues.

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Competition

Honda CRF250X
- Pros: 6-speed, electric start, better stock power
- Cons: Higher maintenance, less street-legal

Yamaha WR250F
- Pros: 37 hp engine, premium suspension
- Cons: Kick-start only, 15% pricier used

Suzuki DR-Z250
- Pros: Lower seat, bulletproof reliability
- Cons: 5-speed gearbox, dated design

The KLX carves its niche with electric start and street legality straight from the factory. While down on power versus the WR250F, its lower maintenance costs and accessibility make it ideal for riders prioritizing fun over podium finishes.

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Maintenance

As MOTOPARTS.store’s go-to off-road specialist, here’s my KLX upkeep cheat sheet:

Must-Have Upgrades
1. Air Filter – TwinAir foam filter ($35)
2. Skid Plate – 4mm aluminum model ($120)
3. Sprockets – JT Steel Rear (+3T, $45)

Common Wear Items
- Chain: DID 520VX3 ($110) lasts 2x longer than stock
- Brake Pads: EBC FA362HH ($40) for better bite
- Tubes: Michelin Ultra Heavy Duty ($25) prevents pinch flats

Carb Tuning Tip
Swap the stock slide (part #16126-1382, $75) to eliminate bogging. Pair with a 45 pilot jet ($12) for crisp throttle response.

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Conclusion

The 2006-2007 Kawasaki KLX 250 S isn’t about spec sheet wars or Instagram glory. It’s about that grin when you shortcut through a muddy forest instead of sitting in traffic. About loading gear without worrying about scratched plastics. About knowing your bike will start first push – even after a submarine impersonation in a creek.

For under $3,000 used (plus $500 in smart mods), you get a Swiss Army knife that tackles grocery runs and gnarly trails with equal nonchalance. New riders gain confidence; veterans rediscover joy in simplicity. And when you’re ready to personalize? MOTOPARTS.store has every upgrade to make your KLX uniquely yours.

Now if you’ll excuse me, there’s a hidden trail behind the Walmart parking lot calling my name...

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Specifications sheet

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