KTM 790 Adventure — OEM Fluid, Tire Pressure & Maintenance Specs
799cc Liquid-Cooled Parallel-Twin DOHC 8-Valve LC8c (Low Saddle Tank) · Source: KTM 790 Adventure (2019–Present) Official Owner’s Manual Maintenance Specifications
According to the KTM 790 Adventure (2019–Present) Official Owner’s Manual Maintenance Specifications, the 2019–Present KTM 790 Adventure (chassis VBKTU640-ADV/LC8c-ADV) requires 2.6 L (2.75 US qt) of SAE 10W-50 (JASO MA2, Motorex Power Synt 4T 10W-50 Full Synthetic) engine oil for a drain-only change and 2.8 L (2.96 US qt) with filter service (60038015000 / HF155 (+ Oil Screens)). Standard solo cold tire pressure is 240 kPa / 2.40 bar / 35 PSI front (90/90-21) and 270 kPa / 2.70 bar / 39 PSI rear (150/70 R18), paired with 2× NGK LMAR9AI-10 spark plug(s) and a YTZ10S / YTZ14S battery.
Drain only: 2.6 L (2.75 US qt)
R 270 kPa (2.70 bar)
Est. Range: ~476 km (296 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 10W-50 · JASO MA2 · Motorex Power Synt 4T 10W-50 Full Synthetic |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 2.6 L (2.75 US qt) • With filter/strainer: 2.8 L (2.96 US qt) • Complete dry overhaul: 3.2 L (3.38 US qt) |
| OEM Oil Filter Code & Type | 60038015000 / HF155 (+ Oil Screens) |
| Correct Oil Level Check Method | Hold bike upright on level ground 3–5 min after warm shutdown; read crankcase sight glass |
| Oil Drain Bolt Torque | 20 N·m (14.8 lb-ft / 2.04 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 90/90-21 · Rear: 150/70 R18 (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 240 kPa / 2.40 bar / 35 PSI Rear: 270 kPa / 2.70 bar / 39 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 240 kPa / 2.40 bar / 35 PSI Rear: 290 kPa / 2.90 bar / 42 PSI |
| OEM Spark Plug & Quantity | NGK LMAR9AI-10 × 2 (Gap: 1.0 mm) |
| OEM Battery Code & Rating | YTZ10S / YTZ14S (12V 8.6–11.2Ah MF AGM) |
| Final Drive Maintenance | 525 Heavy-Duty X-Ring Chain — Maintain 25–35 mm slack and lubricate regularly |
| Brake Fluid & Coolant | DOT 4 or DOT 5.1 · OAT ethylene-glycol coolant for aluminum radiators (50:50 premix) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 799 cc · 95 hp @ 8,000 rpm · 88 N·m (64.9 lb-ft) @ 6,500 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 840 mm (33.1 in) · 204 kg (450 lbs) |
| Fuel Tank & Est. Real-World Range | 20 L (5.3 US gal) · ~23.8 km/L → ~476 km (296 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 15,000 km / 15,000 km • Air Filter / Spark Plug: 15,000 km / 30,000 km • Valve Clearance Check: 30,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Pioneered the low-slung 20 L saddlebag fuel tank and 21/18 tubeless spoke wheels in 2019; 2023+ revision added 20% more crankshaft inertia, improved clutch lubrication, and new fairing.
Oil & Clutch Mechanical Engineering Note
Semi-dry-sump LC8c layout prevents oil starvation on steep off-road climbs; refill 2.8 L of SAE 10W-50 JASO MA2 with filter 60038015000 and clean both sump screens.
Garage Wrenching Gotchas
- Drop the wrap-around aluminum skidplate to reach the oil pan, taking care not to pinch the lower crossover fuel line linking the left and right tank lobes.
- Under-seat high-mount intake resists water crossings well, and fitting an oiled foam pre-filter skin greatly extends main paper air-filter life on dusty trails.
5. Frequently Asked Questions (FAQ)
What oil volume, JASO grade, and oil filter code does the KTM 790 Adventure (2019–Present) require?
Because its wet multi-plate clutch shares engine oil with the gearbox, run SAE 10W-50 (JASO MA2) at 2.6 L (2.75 US qt) drain-only and 2.8 L (2.96 US qt) with filter (60038015000 / HF155 (+ Oil Screens)).
How do you accurately check the oil level on the 790 Adventure, and what are its service intervals?
Hold the motorcycle dead-vertical on level ground 2–3 minutes after warm shutdown and verify the oil sits mid-way between the Upper and Lower marks in the crankcase sight glass—never on the sidestand. Torque the drain plug to 20 N·m with a new crush washer. Factory oil change intervals are every 15,000 km, with valve clearance inspection every 30,000 km.
What are the cold tire pressures, puncture repair type, seat height, and range of the 790 Adventure?
Fitted with 90/90-21 front and 150/70 R18 rear tubeless rims (compatible with roadside plug kits), set cold tire pressures to 35 / 39 PSI (240/270 kPa) solo or 35 / 42 PSI loaded. Seat height is 840 mm (33.1 in) at 204 kg wet weight, delivering ~476 km per 20 L tank.