Benelli TNT 25 250 Euro IV ABS Service Manual – Motorcycle Maintenance Manual PDF

Description

The Benelli TNT 25 250 Euro IV ABS Service Manual is the complete workshop-level maintenance and repair guide for the Benelli TNT 25 (BJ250-15 and BJ250-15A) 250cc single-cylinder motorcycle, covering the Euro IV ABS specification alongside the China, Europe and Non-Europe variants. Every procedure a technician or serious owner needs – from a routine valve clearance check to a full engine teardown – is laid out with torque figures, service limits, exploded views and step-by-step disassembly and reassembly instructions. This is the same document used in the workshop, converted to a clean PDF for reference on any device.

File Details

• Manual type: Motorcycle Maintenance Manual (Service / Workshop Manual)
• Brand: Benelli (Qianjiang Motorcycle)
• Models covered: Benelli TNT 25 – BJ250-15A (a1-1, a2-1), BJ250-15 (Europe), BJ250-15 (Non-Europe), BJ250-15 (Europe IV ABS)
• Engine: 250cc, four-stroke, double overhead camshaft, single cylinder, liquid-cooled
• Language: English
• Page count: 440 pages
• File format: PDF

Chapters Covered

• Chapter I – Basic Information: notes before maintenance, battery installation, sharp edge and solvent safety, cleaning and storing removed parts, tightening torque, gaskets and O-ring seals, silicone sealant and locking agent, press fitting, ball and needle bearings, oil seals, circlips and cotter pins, lubrication, engine rotation direction, wiring and connector checks, cable arrangement, model information for China, Europe and Non-Europe, general technical parameters, unit conversion table
• Chapter II – Regular Maintenance: regular maintenance table, torque and locking agent specifications, main locking torque specs, nut, bolt and screw fastening torque, fuel injection system checks, throttle control system, fuel hose, evaporation and recovery system, cooling system, valve clearance check and adjustment, air inlet device, clutch, wheel and tire checks, final drive mechanism and drive chain, brake system, suspension, steering, electrical system, lamp and switch, engine stop switch, frame lubrication, fastener tightness, replacement parts
• Chapter III – Fuel Injection System (EFI): EFI introduction and system overview, part positions, technical parameters, fuel tank and evaporative recovery system, EFI service notes, ECU (MT05) removal and installation, fuel pump operation and maintenance, throttle body, fuel injector, engine temperature sensor, intake air temperature sensor, manifold absolute pressure sensor, oxygen sensor, idle speed stepper motor, carbon canister solenoid valve, fault maintenance and diagnostic method, DTC tables, diagnostic tool XCM-PT100X and PCHUD software, common troubleshooting
• Chapter IV – Cooling System: exploded view, coolant flow diagram, technical parameters, coolant condition, coolant level, discharging and adding coolant, pressure testing, cleaning the cooling system, reserve tank, coolant pump, radiator and radiator fan, radiator cap, radiator filler, thermostat
• Chapter V – Engine Lubrication System and Internals: lubrication system overview, oil passage diagram, oil pump, cylinder head and camshaft, valve assembly, cylinder and piston, piston rings, crankshaft and connecting rod, balance shaft, tensioner, clutch, shift mechanism, primary and secondary shaft components
• Chapter VI – Chassis: wheel and tire, hub bearing, drive mechanism, drive chain, sprockets and shaft sleeves, brake system including calipers, brake pads, master cylinders, brake discs, brake fluid and brake hoses, front and rear suspension, rear swing arm, steering system, handlebar, frame, side stand, pedals, muffler, fenders, body covers
• Chapter VII – Electrical System: precautions, technical parameters, electrical wiring and wiring inspection, charging system, battery, magneto, voltage regulator/rectifier, ignition system, crankshaft sensor, ignition coil, spark plug, ECU, starting system, starter motor, starter relay, lighting system, headlight, instrument, switches and sensors, speed sensor, oxygen sensor, fuel level sensor, horn, fan and fan switch, relay and fuse box
• Chapter VIII – Appendix: routing of cable, wire and hose, main harness routing, throttle cable routing, clutch cable routing, troubleshooting guide, circuit diagram, special tool list summary

What sets this Benelli TNT 25 workshop manual apart is the level of detail carried through the entire drivetrain. The engine section alone walks through the camshaft support, valve lifter and shim selection by thickness code, piston-to-cylinder clearance measurement points, connecting rod big-end side clearance, crankshaft runout, balance shaft and tensioner – each one paired with a measurable service limit and a standard value so a machinist can judge a wear tolerance on the spot. The clutch and shift mechanism are documented down to the shift locating roller, star wheel pressure plate and shift drum wear limits. The cylinder head tightening sequence is prescribed across three passes, and the front and rear shock absorbers have their oil level, oil quantity and spring free-length standard and limit both listed.

The EFI portion of this manual is equally thorough. It covers the Delphi MT05 ECU pinout on both connectors, throttle position sensor resistance, idle air control valve winding resistance, fuel injector resistance at 20 degrees Celsius, fuel pressure ranges, oxygen sensor heater resistance, manifold absolute pressure sensor characteristic curve, coolant temperature and intake air temperature sensor resistance tables, and a full DTC code list mapped between hexadecimal and decimal forms so a scan tool readout or flash-count method both lead to the same fault. The coolant system is documented with the radiator cap relief pressure range, thermostat open and full-lift temperatures, and coolant capacity for both a drain-and-refill and a complete engine strip.

On the chassis side, the manual walks through wheel runout standards, static rim balance with weight sizes, hub and shaft sleeve bearing removal and installation with the correct special tools, drive chain slackness and 20-link wear limits, sprocket deformation, front and rear brake disc thickness and runout, caliper piston and oil seal service, brake master cylinder piston and cup inspection, and fork oil viscosity, quantity, oil level and spring service limits. The steering stem bearing is covered with a full sequence – clamp load, back-off, final torque, and a free-play confirmation – which is exactly the kind of procedure that gets skipped without the factory instruction and then causes a wobble at speed.

The electrical section is not just a wiring key. It carries the charging circuit diagram, magneto AC output test values, regulator and rectifier diode testing, ignition coil primary and secondary resistance standards, spark plug gap, starter motor carbon brush and commutator service limits, ignition system troubleshooting flow, switch continuity tables and the fan switch break-over temperature. The appendix closes the manual with the main harness, throttle cable and clutch cable routing diagrams and a consolidated troubleshooting guide organised by symptom – hard starting, poor low-speed running, poor high-speed power, overheating, overcooling, clutch slip and drag, shifting problems, engine noise, drive system noise, frame noise, excess exhaust smoke, poor stability and battery faults.

What This Benelli TNT 25 Service Manual Lets You Do

With this Benelli TNT 25 250 Euro IV ABS service manual open in front of you, you can carry out the full scheduled maintenance table yourself, diagnose a no-start or poor-running condition using the EFI fault codes, remove and rebuild the top end, service the clutch and shift mechanism, tear down the crankshaft and balance shaft, replace fork oil and seals to the correct level, overhaul calipers and master cylinders, set brake pad and disc wear limits, chase an electrical fault through the charging and starting circuits, and adjust valve clearance with the correct shim – all with the same torque values, service limits and assembly orders the workshop uses.

Getting these numbers right is what separates a repair that lasts from one that comes back. A cylinder head bolt torqued to the wrong sequence will warp the joint surface. A shim picked without the thickness table will leave the valve too tight and burn the seat. An oil level set by eye in a fork leg will unbalance the front end. A brake master cylinder cup reused once too often will fail under heat. This Benelli TNT 25 250 Euro IV ABS workshop manual removes the guesswork by giving the standard, the service limit and the tightening order for the parts that actually matter.

IMAGES PREVIEW

Delivery is instant. The file is a PDF you download immediately after checkout – no shipping, no waiting. It opens on a laptop, tablet or phone, and any page can be printed for the bench, so you can keep the torque table next to the bike and the exploded view on the screen. Whether you are servicing one TNT 25 or running a small workshop that sees them regularly, this Benelli TNT 25 repair manual PDF is the reference you keep going back to.