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KTM 790 Adventure (2019-2020) Maintenance Schedule and Service Intervals

KTM 790 Adventure studio RHS diagonal

This is the maintenance schedule and service intervals for the KTM 790 Adventure.

The KTM 790 Adventure (and its stablemate the 790 Adventure R) is based on the LC8c engine that first debuted in the KTM 790 Duke, with which the 790 Adventure’s maintenance schedule has some commonalities. It’s a liquid-cooled fuel-injected parallel twin that makes max power of 71 kW (95 hp) at 8250 rpm, with peak torque of 89 Nm (66 ft-lb) coming at 6500 rpm.

The final drive is via a regular wet clutch and chain.

The KTM 790 Adventure’s maintenance schedule and set of components have a lot in common with the KTM 790 Adventure R, but the latter has upgraded suspension and a few other components that make it suitable for off-road travel. But the base model is very off-road capable already.

After a brief stint, the KTM 790 Adventure was replaced by the 2021 KTM 890 Adventure.

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What you need to service your KTM 790 Adventure

Apart from basic motorcycle maintenance tools, here are a few spares, fluids, and consumables that will help you service your KTM motorcycle.

PartKTM 790 Adventure spec
Engine oilThe manual specifies Motorex Power Synthetic 4T 10W/50, or another SAE 10W/50 fully synthetic engine oil that meets JASO T903 MA2 spec.
Oil filterUse part number 61338015200 or K&N part KN-650, a popular equivalent. (This oil filter is used in most KTM adventure bikes.)
Fork oilThe manual recommends SAE 4 fork oil, ideally Motorex 4W fork oil.
Brake fluidThe manual requires DOT 4 or DOT 5.1, recommending Castrol DOT 4 or Motorex DOT 5.1 brake fluid.
CoolantKTM recommends Motorex Coolant M3.0 or other “high-grade, silicate-free coolant with corrosion inhibitors”.
Spark plugUse an NGK LMAR9AI-10 to change spark plugs.
Chain maintenanceKTM recommends using Motorex chain cleaner and Motorex chain lube. But a Motul chain care kit is a popular option.
KTM 790 Adventure service items

Maintenance Schedule for the KTM 790 Adventure

Below is the maintenance schedule for the KTM 790 Adventure, adapted from the manual.

Notes:

  • Maintenance schedule intervals for the KTM 790 Adventure are every 15000 km (9300 mi), with a major service (valve service & new plugs) every two intervals.
  • After the end of the service schedule, keep repeating it like this — major and minor intervals
  • The maintenance schedule in the manual is broken up into two sections — required maintenance and recommended maintenance (but you should do both).

Required maintenance

miles x 10009.318.6
km x 10001530Every
[Dealer] Read out the trouble code memory using the KTM diagnostics tool.Year
[Dealer] Program the shift shaft sensor.Year
Check that the electrical system is functioning properly.Year
Change the engine oil and the oil filter, clean the oil screens.Year
Check the front brake linings.Year
Check the rear brake linings.Year
Check the brake discs.Year
Check the brake lines for damage and leakageYear
Check the front brake fluid level.Year
Check the rear brake fluid level.Year
Change the front brake fluid.2 years
Change the rear brake fluid.2 years
Check the free travel of the clutch leverYear
Check the free travel of the foot brake leverYear
Check the shock absorber and fork for leaks. Perform service as needed and depending on how the vehicle is used.Year
Clean the dust boots of the fork legs
Check the steering head bearing for play.Year
Check the tire conditionYear
Check tire pressureYear
Retighten the spokes
Check the spoke tensionYear
Check the rim run-outYear
Check the chain, rear sprocket, engine sprocket, and chain guide.Year
Check the chain tensionYear
Change the spark plugs
Check the valve clearance
Check the coolant fill level and antifreezeYear
Check the cables for damage and routing without kinksYear
Change the air filter, clean the air filter box.
Check the fuel pressure.Year
Check the headlight setting
Check that the radiator fan is functioning properly.Year
Final check: Check the vehicle is roadworthy and take a test ride.Year
[Dealer] Read out the error memory after the test ride using the KTM diagnostics tool.Year
[Dealer] Set the service interval display.Year
Make a service entry in KTMDealer.netYear
KTM 790 Adventure maintenance schedule

Recommended maintenance

miles x 10009.318.6
km x 10001530Every
Check the frame
Check the link fork
Check/clean the oil nozzle for clutch lubrication
Check the fork bearing for play
Check the wheel bearing for play
Empty the drainage hosesYear
Check all hoses (fuel, coolant, bleeder, drainage etc.) and sleeves for cracking, leaks, and incorrect routingYear
Grease all moving parts (e.g. side stand, hand lever, chain) and check for smooth operationYear
Check the tightness of the safety-relevant screws and nuts which are easily accessible.Year
Change the coolant4 years
KTM 790 Adventure maintenance schedule (recommended maintenance)

Wheels and Tyres for the KTM 790 Adventure

The KTM 790 Adventure ships stock with Avon TrailRider tyres, but you can use any kind of tyre you find appropriate.

WheelTyre sizeTyre pressure (cold)
Front90/90-21 M/C 54C M+S TL35 psi (2.4 bar)
Back150/70 R 18 M/C 70V M+S TL42 psi (2.9 bar)
KTM 790 Adventure recommended tyre sizes and pressures

About the KTM 790 Adventure

KTM’s 790 Adventure was a huge step for KTM — a high-performance but low-weight middleweight dual-sport motorcycle. It was an uncontested area when KTM entered it, and so KTM’s bike stood out against the competition, before the Yamaha Ténéré 700.

Both variants of the KTM 790 Adventure (includign the 790 Adventure R) share the same motor: a 799cc parallel twin with a 270-degree crankshaft, giving it a slightly lumpy rasp that’s more characterful than for example the F 800 GS’ 360-degree crank.

The motor makes a peak of 71 kW (95 hp) at 8250 rpm — slightly down from the KTM 790 Duke from which it borrows its engine, but with the benefit of a broader spread of torque.

Don’t be fooled into thinking that the 790 Adventure is a pavement-oriented version of the Adventure R. Far from it. It still has ample ground clearance, and dirt-ready wire-spoked wheels in a 21/18 inch combo.

The KTM 790 Adventure has WP APEX 43mm forks up front, with no adjustability, and a WP APEX rear shock. On both sides there’s 200 mm of travel, which is decent but not outrageously long (this is not a dirt bike — nor is its stablemate).

The 790 Adventure R’s major advantage is the suspension, plus a few other components that make it more suitable for off-road work. Though it’s still not a dirt bike!

The 790 Adventure also has quite advanced electronics — with ride modes, IMU-assisted cornering ABS and traction control.

The 790 Adventure was replaced in the 2021 model year by the KTM 890 Adventure, much to the chagrin of early adopters of the 790.

Manual for the KTM 790 Adventure

The above maintenance schedule comes from the user’s manual for the KTM 790 Adventure.

You can get the user manual directly from KTM’s website.

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