Part of Throttle Times’ live coverage of EICMA 2026.

Bajaj appears to have finally settled the debate over what an accessible backcountry thumper ought to look like, sending a near-production 250cc adventure mule onto public roads with visible cooling fins and spoked wheels.

Spy photographs captured in western India confirm that Bajaj is eschewing the complex, high-revving liquid-cooled 250 architecture of its Austrian partners in Mattighofen, opting instead for a ruggedized derivative of the 249cc air/oil-cooled single powering the Pulsar N250. Clothed in classic dual-sport bodywork with a high rally beak, rubber-gaitered forks, and a rectangular full-colour TFT dashboard, the machine targets the sweet spot between urban runabouts and middleweight and lightweight dual-sports.

The Oil-Cooled 249cc Thumper: Simplicity Over High-Rev Complexity

The spy photographs confirm visible cooling fins and the absence of a forward radiator core, confirming a 249cc two-valve, oil-cooled single-cylinder powertrain producing roughly 24.5 PS (18 kW) at 8,750 rpm and 21.5 Nm of torque at 6,500 rpm.

By sticking with oil cooling rather than adapting the liquid-cooled DOHC platform seen across KTM and Husqvarna 250 singles, Bajaj prioritizes trailside serviceability, lower mechanical drag, and budget affordability. An external oil-cooler radiator is mounted high behind the front frame downtubes, out of the direct projectile line of gravel roost. The transmission is an updated 5-speed unit with an assist-and-slipper clutch, geared taller in fourth and fifth to allow sustained 105 km/h highway transit without buzzing the rider’s palms to numbness.

“When you drop a motorcycle in a rocky ditch thirty kilometres from the nearest paved pass, a cracked coolant hose ends your day. An air-and-oil-cooled thumper with a bash plate will still tractor you home on three litres of fuel.”

Chassis, 19-Inch Spoke Hardware, and Cockpit Electronics

The test mule rides on a 19-inch front and 17-inch rear wire-spoke wheel combination wrapped in deep block-pattern dual-purpose rubber, paired with long-travel suspension providing an estimated 190 mm of front axle travel and 200 mm of unladen ground clearance.

Up front, right-side-up telescopic forks feature traditional accordion rubber gaiters to defend the chrome stanchions against grit and mud. Braking duties are handled by a 300 mm front disc with a ByBre dual-piston floating caliper and a 230 mm rear disc, managed by a dual-channel Bosch ABS system featuring a dedicated off-road setting to lock the rear tire on loose descents.

The cockpit features a rectangular colour TFT console inherited from newer Pulsar models, integrating Bluetooth smartphone navigation, call telemetry, and a USB-C charging socket positioned beneath the windscreen bracket. A tubular steel rear subframe supports an integrated luggage rack, while a upswept exhaust canister clears high water fordings.

Side-by-Side: Bajaj Adventure 250 vs Rival Dual-Sports

Specification Bajaj Adventure 250 (Prototype) Hero Xpulse 210 Suzuki V-Strom SX
Engine Configuration 249cc SOHC oil-cooled single 210cc DOHC liquid-cooled single 249cc SOHC oil-cooled single
Peak Power ~24.5 PS (18 kW) @ 8,750 rpm 24.6 PS (18.1 kW) @ 9,250 rpm 26.5 PS (19.5 kW) @ 9,300 rpm
Peak Torque 21.5 Nm @ 6,500 rpm 20.7 Nm @ 7,250 rpm 22.2 Nm @ 7,300 rpm
Wheel Setup (F/R) 19-inch / 17-inch (Wire Spoke) 21-inch / 18-inch (Wire Spoke) 19-inch / 17-inch (Cast Alloy)
Front Suspension Long-travel telescopic + gaiters Inverted 43 mm forks Traditional 41 mm telescopic
Ground Clearance ~200 mm 220 mm 205 mm
Est. Wet Weight ~164 kg 158 kg 167 kg
Est. European Price ~€3,600 (A2 compliant) ~€3,800 ~€4,990

The Rider’s Trade-Off: Air Cooling vs Highway Long-Hauls

The compromise in Bajaj’s formula lies squarely in high-speed thermal headroom. An air/oil-cooled 249cc thumper will run happily all day through mountain switchbacks and farm tracks, but it lacks the thermal buffer of liquid-cooled rivals when sitting pinned at 120 km/h against a stiff motorway headwind in midsummer heat. Riders crossing alpine passes will appreciate the simple mechanical architecture, but long-distance highway touring demands a relaxed cruising pace rather than left-lane overtakes. Compared to higher-spec competitors like the upcoming Hero Xpulse 421 flagship, the Bajaj Adventure 250 is unapologetically aimed at budget-conscious realists who prioritize trail survivability over spec-sheet bragging rights.

What We Know

  • Proven Oil-Cooled Single: Power derives from the 249cc SOHC oil-cooled engine with revised low-end torque mapping and slip-and-assist clutch.
  • Genuine Spoke Hardware: A 19-inch front and 17-inch rear wire-spoked wheel package shod in dual-sport rubber.
  • Modern Cockpit: Full-colour TFT dashboard with turn-by-turn navigation and switchable rear ABS.
  • Global Rollout: Production debut is targeted for late 2026, heading into Latin American and European A2 learner markets in 2027.

What’s Still Unclear

  • Official Model Designation: Whether Bajaj will revive the registered “Trekker” trademark or brand it as a Pulsar Adventure variant.
  • Exact Suspension Damping: Whether the rear monoshock features linkage assistance or direct-mount damping.
  • European Homologation Timing: Specific Euro 5+ certification dates and distribution network channels outside India and South America.

Media citation: Editorial outlets and forums may quote excerpts with attribution and a link to Throttle Times.

Reporting via: autocarindia.com, rushlane.com