2005–2011 · Enduro · Buyer's Guide
Race DNA, Street Papers
The TE 510 is a 501 cc liquid-cooled single in a steel-tube frame. It doesn't pretend to be anything other than a competition enduro with a license plate. On paper, 58 hp and 37 lb-ft don't sound like much, but on a bike this light and narrow the peak figures matter less than how the engine delivers. The single pulls hard through the midrange toward its 6,000 rpm torque peak, and that's what gets you up steep, technical ground. It has 11.8 in (300 mm) of fork travel, 12.6 in (320 mm) at the rear, 13.4 in (340 mm) of ground clearance and a 21/18-inch wheel set. Everything about it is laid out for rough terrain first.
Off-road, it rides like what it is. It's light on its feet, quick to change direction and stable when the pace climbs. It suits an experienced rider who spends real time in technical terrain and accepts the upkeep that comes with a race-derived single. That upkeep is my honest caveat. The plastic radiator T-piece can crack and leak coolant, so swap it for brass or silicone. The clutch slave cylinder O-ring can fail. On high-hour or neglected engines, big-end bearing failure is rare but real. Buy one with service records, or budget for a rebuild.
Spec sheets don't ride bikes, but they set the baseline.
| Power | 58 hp (43 kW) @ 7,500 rpm |
|---|---|
| Torque | 37 lb-ft (50 Nm) @ 6,000 rpm |
| Displacement | 501 cc |
| Engine | Single-cylinder |
| Cooling | Liquid-cooled |
| Gearbox | 6-speed |
| Final drive | Chain |
| Fork | Upside-down (USD) |
| Front brake | 260 mm |
| Front tire | 90/90-21 |
| Rear tire | 140/80-18 |
| Wheelbase | 58.3 in (1480 mm) |
| Ground clearance | 13.4 in (340 mm) |
| Front travel | 11.8 in (300 mm) |
| Rear travel | 12.6 in (320 mm) |
| Seat height | 37.8 in (960 mm) |
| Dry weight | 261 lb (118 kg) |
| Fuel capacity | 2.0 gal (7.5 L) |
What follows comes from years of listening: paddock talk, club nights, long chats with owners, and the messages riders send me. The TE 510 picture is consistent. Owners rate the engine, the chassis and the quality of the parts, and their complaints mostly come down to carburetion and the upkeep a race-bred single demands.
The engine gets the most praise. Owners describe a broad spread of power and a free-revving top end, and say the front wheel comes up whenever they ask for it. Riders also mention precise feedback from the front end. Then there's the hardware: strong brakes, a hydraulic clutch, a quality fork and good metallurgy. Many owners say it feels race-ready straight off the showroom floor, with few upgrades needed right away.
The most common gripe is the carburetor. From the factory it tends to run rich, and owners report hesitation, dull throttle response and heavy fuel use. Most recommend a jet kit to smooth it out. Owners also describe a service routine that matches a competition bike, with frequent oil changes, valve checks and air-filter work. A few riders find the stock gearing tall in slow technical terrain and fit a smaller countershaft sprocket.
Plastic radiator T-piece cracking
The plastic T-connector in the radiator hose can become brittle and crack, causing coolant leaks and potential overheating. A common preventive fix is to replace it with a brass fitting or a silicone Y-hose kit.
Big-end bearing failure
In rare cases, the big-end connecting rod bearing can fail, requiring a full engine teardown and crank rebuild. This appears to be more prevalent on high-hour or poorly maintained engines.
Clutch slave cylinder O-ring failure
The clutch slave cylinder O-ring can fail, leading to fluid leaks and loss of clutch pressure. Replacing the O-ring with an upgraded X-ring or fitting an aftermarket piston kit often provides a lasting fix.
Where this Husqvarna TE 510 pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.
Power
Torque
Displacement
Seat height
Forget spec-sheet bragging. Here's who the TE 510 is actually built for.
Slickrock, sand and technical ledges are exactly what this bike is for: it's light, tall and long-legged. Just plan your fuel around the 2.0 gal tank on longer desert loops.
Made for Bar M / Kane Creek · Imperial Sand Dunes · Johnson Valley OHV Area
It will get around your local MX track, but it's an enduro at heart, built for rough terrain and trail work. If racing motocross is the whole point, a dedicated motocrosser fits you better.
Made for Carnegie State Vehicular Recreation Area · Fox Raceway at Pala · Glen Helen Raceway
Honestly, it's the wrong tool for multi-day BDR trips. The 2.0 gal tank, 37.8 in seat and lack of a luggage system mean constant fuel planning. It's great for the hard side trips, though.
Made for AZBDR — Arizona Backcountry Discovery Route · California BDR South · COBDR — Colorado Backcountry Discovery Route
If this one isn't quite the fit, these are the bikes worth riding back-to-back against it.
